agenttesla | 8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 15:29

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General

Target

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Size

1.8MB
MD5

a03b6c200a7d2c751d909b5de73f03c0
SHA1

730a3f8da6a39a81d345cf8b98c850725772f4e5
SHA256

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e
SHA512

6e970439037ae4c880cb00bedf6a7913c466f3b3acd17f38915285c4e53d51c9f091402f6ac6fe8ebaaa9019c106c6cae44a2ca95b9d5bd8235f661c6e4c1343
SSDEEP

49152:V4PKu0q9QOfw0rwo9EWhXvOGT/ah+NOzCXgFFHo:+PxQOfWxWhGGT/KCXOB

Score

10^/10

agenttesla amadey evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.17

http://185.215.113.32

Attributes

install_dir
00c07260dc
install_file
explorgu.exe
strings_key
461809bd97c251ba0c0c8450c7055f1d
url_paths
/yandex/index.php

rc4.plain

Extracted

Family

agenttesla

https://api.telegram.org/bot5905440472:AAH7yJYEREM-Uefb6Xv04uo_iKD7w2txk9k/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exeexplorgu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorgu.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

47 1516 rundll32.exe
49 3748 rundll32.exe
Downloads MZ/PE file

flow	pid	process
47	1516	rundll32.exe
49	3748	rundll32.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exeexplorgu.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorgu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorgu.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorgu.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	explorgu.exe

Executes dropped EXE 2 IoCs

Processes:

explorgu.exetasty_hacking.exe

pid process

1868 explorgu.exe
4624 tasty_hacking.exe

pid	process
1868	explorgu.exe
4624	tasty_hacking.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exeexplorgu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	explorgu.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

1884 rundll32.exe
1516 rundll32.exe
3748 rundll32.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

39 api.ipify.org
40 api.ipify.org
41 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exeexplorgu.exe

pid process

3304 8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
1868 explorgu.exe
Drops file in Windows directory 1 IoCs

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe

description ioc process

File created C:\Windows\Tasks\explorgu.job 8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1884	rundll32.exe
1516	rundll32.exe
3748	rundll32.exe

flow	ioc
39	api.ipify.org
40	api.ipify.org
41	ip-api.com

description	ioc	process
File created	C:\Windows\Tasks\explorgu.job	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exeexplorgu.exetasty_hacking.exerundll32.exepowershell.exe

pid	process
3304	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
3304	8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
1868	explorgu.exe
1868	explorgu.exe
4624	tasty_hacking.exe
4624	tasty_hacking.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
3128	powershell.exe
3128	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tasty_hacking.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4624 tasty_hacking.exe
Token: SeDebugPrivilege 3128 powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe

pid process

3304 8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tasty_hacking.exe

pid process

4624 tasty_hacking.exe

description	pid	process
Token: SeDebugPrivilege	4624	tasty_hacking.exe
Token: SeDebugPrivilege	3128	powershell.exe

pid	process
4624	tasty_hacking.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

explorgu.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1868 wrote to memory of 4624	1868	explorgu.exe	tasty_hacking.exe
PID 1868 wrote to memory of 4624	1868	explorgu.exe	tasty_hacking.exe
PID 1868 wrote to memory of 4624	1868	explorgu.exe	tasty_hacking.exe
PID 1868 wrote to memory of 1884	1868	explorgu.exe	rundll32.exe
PID 1868 wrote to memory of 1884	1868	explorgu.exe	rundll32.exe
PID 1868 wrote to memory of 1884	1868	explorgu.exe	rundll32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	rundll32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	rundll32.exe
PID 1516 wrote to memory of 2808	1516	rundll32.exe	netsh.exe
PID 1516 wrote to memory of 2808	1516	rundll32.exe	netsh.exe
PID 1516 wrote to memory of 3128	1516	rundll32.exe	powershell.exe
PID 1516 wrote to memory of 3128	1516	rundll32.exe	powershell.exe
PID 1868 wrote to memory of 3748	1868	explorgu.exe	rundll32.exe
PID 1868 wrote to memory of 3748	1868	explorgu.exe	rundll32.exe
PID 1868 wrote to memory of 3748	1868	explorgu.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe
"C:\Users\Admin\AppData\Local\Temp\8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:3304

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\1001070001\tasty_hacking.exe
  "C:\Users\Admin\AppData\Local\Temp\1001070001\tasty_hacking.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4624
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:2808
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\134859772495_Desktop.zip' -CompressionLevel Optimal
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3128
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

Filesize
1.8MB

MD5
a03b6c200a7d2c751d909b5de73f03c0

SHA1
730a3f8da6a39a81d345cf8b98c850725772f4e5

SHA256
8b369a161b1b18b12d4b3b32b9d75ca00a17dbfd2e3fc8af4b69f22c7e5fbf3e

SHA512
6e970439037ae4c880cb00bedf6a7913c466f3b3acd17f38915285c4e53d51c9f091402f6ac6fe8ebaaa9019c106c6cae44a2ca95b9d5bd8235f661c6e4c1343

Download Submit
C:\Users\Admin\AppData\Local\Temp\1001070001\tasty_hacking.exe

Filesize
654KB

MD5
342f059472f3b0eba755742421856d6e

SHA1
2fbd2bb10513da4df3df8910b74d89744bb31a13

SHA256
4dd1ec5df036681f5a1e6b50bf0e449c6e396c536cd2037f7691e214e00c2b16

SHA512
0fc6b35882519e5e3b9a8cfba500c67e23636782536580150defeeaedaced107b98b85ddf7186b8c5790f97e452c76586ef05b352d7630a2e6de89d06beceb9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hhjpypih.hxm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll

Filesize
109KB

MD5
2afdbe3b99a4736083066a13e4b5d11a

SHA1
4d4856cf02b3123ac16e63d4a448cdbcb1633546

SHA256
8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

SHA512
d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

Download Submit
C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll

Filesize
1.2MB

MD5
92fbdfccf6a63acef2743631d16652a7

SHA1
971968b1378dd89d59d7f84bf92f16fc68664506

SHA256
b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

SHA512
b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

Download Submit
memory/1868-109-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-21-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/1868-108-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-110-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-94-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-92-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-111-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-112-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-18-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-19-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-20-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/1868-54-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-22-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1868-23-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1868-24-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/1868-25-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/1868-27-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/1868-26-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/1868-113-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-69-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/1868-114-0x00000000007B0000-0x0000000000C5F000-memory.dmp

Filesize
4.7MB

Download
memory/3128-84-0x0000015F4BCC0000-0x0000015F4BCD2000-memory.dmp

Filesize
72KB

Download
memory/3128-82-0x0000015F4AFC0000-0x0000015F4AFD0000-memory.dmp

Filesize
64KB

Download
memory/3128-91-0x00007FFC7A100000-0x00007FFC7ABC1000-memory.dmp

Filesize
10.8MB

Download
memory/3128-85-0x0000015F4AFB0000-0x0000015F4AFBA000-memory.dmp

Filesize
40KB

Download
memory/3128-83-0x0000015F4AFC0000-0x0000015F4AFD0000-memory.dmp

Filesize
64KB

Download
memory/3128-81-0x0000015F4AFC0000-0x0000015F4AFD0000-memory.dmp

Filesize
64KB

Download
memory/3128-80-0x00007FFC7A100000-0x00007FFC7ABC1000-memory.dmp

Filesize
10.8MB

Download
memory/3128-79-0x0000015F4AF80000-0x0000015F4AFA2000-memory.dmp

Filesize
136KB

Download
memory/3304-7-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/3304-8-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/3304-15-0x0000000000EF0000-0x000000000139F000-memory.dmp

Filesize
4.7MB

Download
memory/3304-5-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/3304-4-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/3304-9-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/3304-3-0x0000000004F50000-0x0000000004F51000-memory.dmp

Filesize
4KB

Download
memory/3304-2-0x0000000000EF0000-0x000000000139F000-memory.dmp

Filesize
4.7MB

Download
memory/3304-0-0x0000000000EF0000-0x000000000139F000-memory.dmp

Filesize
4.7MB

Download
memory/3304-1-0x0000000077E04000-0x0000000077E06000-memory.dmp

Filesize
8KB

Download
memory/3304-10-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/3304-6-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/4624-45-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/4624-93-0x0000000006730000-0x000000000673A000-memory.dmp

Filesize
40KB

Download
memory/4624-106-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/4624-107-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4624-51-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4624-49-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

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memory/4624-56-0x0000000006770000-0x000000000680C000-memory.dmp

Filesize
624KB

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memory/4624-55-0x0000000006680000-0x00000000066D0000-memory.dmp

Filesize
320KB

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memory/4624-50-0x0000000005510000-0x0000000005AB4000-memory.dmp

Filesize
5.6MB

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memory/4624-53-0x00000000065A0000-0x0000000006632000-memory.dmp

Filesize
584KB

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memory/4624-52-0x0000000005060000-0x00000000050C6000-memory.dmp

Filesize
408KB

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