agenttesla | e9b09a3b90f995ff23ac7c4c2a8b4cc4af7208d86fdd720e5fda80145d7960b8

Analysis

max time kernel
111s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 16:25

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General

Target

Ref#0503711.exe
Size

1.8MB
MD5

3b2e54913c8b29ce886c8b36f8dd0cfc
SHA1

ff514c4f55dc70f5d1914fcf7118f24fd636e8a2
SHA256

405832c40918da8ad82482319361d443a19cb05d8834e0258e5c54bf11faae84
SHA512

c872c307a060c3ec9b026d24f159447d74de06a5e2e73f5729c9360c5f20b0dc1afe17c870793309f4bddd6c1ec52ce68a1dca9c0b102d089ab48a6db7071c81
SSDEEP

49152:RFXZRd8cSc710RxibZkpQuiQcWpn0JGgKD:/XPmct7uMqn0QD

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
ABwuRZS5Mjh5
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 2900 created 3520	2900	Ref#0503711.exe	56
PID 3228 created 3520	3228	tmpA9DC.tmp.exe	56

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Ref#0503711.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	docdd.exe

Executes dropped EXE 3 IoCs

pid	Process
3872	docdd.exe
3228	tmpA9DC.tmp.exe
2732	tmpA9DC.tmp.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 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 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ioibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ioibrzb.exe"	Ref#0503711.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ioibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ioibrzb.exe"	tmpA9DC.tmp.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 4324	2900	Ref#0503711.exe	85
PID 3228 set thread context of 2732	3228	tmpA9DC.tmp.exe	88

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	docdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref#0503711.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA9DC.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA9DC.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref#0503711.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2732	tmpA9DC.tmp.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2900	Ref#0503711.exe
4324	Ref#0503711.exe
4324	Ref#0503711.exe
3228	tmpA9DC.tmp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	Ref#0503711.exe
Token: SeDebugPrivilege	2900	Ref#0503711.exe
Token: SeDebugPrivilege	3872	docdd.exe
Token: SeDebugPrivilege	4324	Ref#0503711.exe
Token: SeDebugPrivilege	3228	tmpA9DC.tmp.exe
Token: SeDebugPrivilege	3228	tmpA9DC.tmp.exe
Token: SeDebugPrivilege	2732	tmpA9DC.tmp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 3872	2900	Ref#0503711.exe	84
PID 2900 wrote to memory of 3872	2900	Ref#0503711.exe	84
PID 2900 wrote to memory of 3872	2900	Ref#0503711.exe	84
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 2900 wrote to memory of 4324	2900	Ref#0503711.exe	85
PID 3872 wrote to memory of 3228	3872	docdd.exe	87
PID 3872 wrote to memory of 3228	3872	docdd.exe	87
PID 3872 wrote to memory of 3228	3872	docdd.exe	87
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88
PID 3228 wrote to memory of 2732	3228	tmpA9DC.tmp.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3520
- C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Users\Admin\AppData\Local\Temp\docdd.exe
    "C:\Users\Admin\AppData\Local\Temp\docdd.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - C:\Users\Admin\AppData\Local\Temp\tmpA9DC.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpA9DC.tmp.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3228
- C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4324
- C:\Users\Admin\AppData\Local\Temp\tmpA9DC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA9DC.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\docdd.exe

Filesize
45KB

MD5
dbd0e17845da07384d942b76268cf5b7

SHA1
c1fca3c8ab7e6d60fe3703a4ee52bbac1d61e6ad

SHA256
4a9a9156581680f9b5082c685a656994a2248ff274900710014ca9c3c7868db8

SHA512
f7697d93690f3bd673501401b4286cf4794b39563e5d1707af5bd407e2acb2cba8f3331e0df9091f0cc4895155ac9be9aa89668f92b33a9319ea25551b876f8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA9DC.tmp.exe

Filesize
2.4MB

MD5
1590a3efb4a143305e7182fbd284a414

SHA1
4b1910fc583442a94a7a246c5424354991e22f13

SHA256
b11ec3f1e913b4c0caeaf24b194998e7702da6c0b30afc8a147df52b26fd829f

SHA512
6b34bb151902e7c0a9ac349d16be5ebe23c4574fd1b4131d63691ab7b8771beccf2044db85b5714fc90da15fb0c4029313a174497fc85652e1e6a4c084f010f7

Download Submit
\??\c:\users\admin\appdata\roaming\ioibrzb.exe

Filesize
2.4MB

MD5
b1d3b7abf9269aa9c3173a4601c507ae

SHA1
3122d10a5070c0422162f08c330e9d9b46eefb62

SHA256
658e786e1d01853f8cd9414e4cfe91c4529a3472929fe0c4e6724ddd24747ea9

SHA512
8f234115573350ae91b655d4430c2e21b9f3e7a6a0431de1f07d3f9e53a4930533a0efd5a301e537dedbd8037b42c54c94f524aaef969b13e9c90533c5bb9f6e

Download Submit
memory/2732-3069-0x0000000005B40000-0x0000000005B4A000-memory.dmp

Filesize
40KB

Download
memory/2732-3068-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/2732-3067-0x0000000005490000-0x00000000054E6000-memory.dmp

Filesize
344KB

Download
memory/2732-2211-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2732-2214-0x0000000005300000-0x00000000053C6000-memory.dmp

Filesize
792KB

Download
memory/2900-5-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-38-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-66-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-60-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-58-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1081-0x0000000005600000-0x000000000564C000-memory.dmp

Filesize
304KB

Download
memory/2900-54-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-52-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-50-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-48-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-46-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-44-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-42-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1085-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-36-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-34-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-32-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-30-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-28-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-26-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-22-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-20-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-18-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-16-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-40-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1086-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-14-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-7-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2900-8-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1079-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-1080-0x0000000005590000-0x0000000005602000-memory.dmp

Filesize
456KB

Download
memory/2900-56-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-68-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-24-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1087-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-62-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-1-0x00000000006E0000-0x00000000008B4000-memory.dmp

Filesize
1.8MB

Download
memory/2900-1101-0x0000000005750000-0x00000000057A4000-memory.dmp

Filesize
336KB

Download
memory/2900-2-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-1100-0x00000000068D0000-0x0000000006E74000-memory.dmp

Filesize
5.6MB

Download
memory/2900-3-0x00000000051E0000-0x000000000530C000-memory.dmp

Filesize
1.2MB

Download
memory/2900-1103-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2900-1107-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-4-0x0000000005410000-0x0000000005508000-memory.dmp

Filesize
992KB

Download
memory/2900-10-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-12-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/2900-64-0x0000000005410000-0x0000000005502000-memory.dmp

Filesize
968KB

Download
memory/3228-1127-0x0000000005210000-0x00000000053C6000-memory.dmp

Filesize
1.7MB

Download
memory/3228-2203-0x0000000005770000-0x000000000586C000-memory.dmp

Filesize
1008KB

Download
memory/3228-1128-0x0000000005510000-0x0000000005692000-memory.dmp

Filesize
1.5MB

Download
memory/3228-1125-0x0000000000720000-0x0000000000980000-memory.dmp

Filesize
2.4MB

Download
memory/3872-1105-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3872-1126-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3872-1102-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3872-1099-0x0000000000140000-0x0000000000152000-memory.dmp

Filesize
72KB

Download
memory/3872-1110-0x0000000004A80000-0x0000000004A86000-memory.dmp

Filesize
24KB

Download
memory/4324-1109-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4324-2212-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/4324-3071-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-1111-0x00000000052A0000-0x0000000005306000-memory.dmp

Filesize
408KB

Download
memory/4324-2213-0x0000000006A30000-0x0000000006ACC000-memory.dmp

Filesize
624KB

Download
memory/4324-1108-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-1112-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-3070-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download