agenttesla | 42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856

General

Target

42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
Size

733KB
MD5

eedbda81d4f3d69ee2798e40a8a5572b
SHA1

68226fb98f6e93db77d607dcc305716e8a80871d
SHA256

42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856
SHA512

e83bdf38d169461846fd63f34b5458f3198adbe796f8be9d7947219a4e9b67cb51e97a39065a1ba49131f9a310de7332eab0d5a215053ffde535d30eddcdebb0
SSDEEP

12288:O7G3eV0l1vF6gv+W5DzalTl3YeirTX/8pi+eAH5vgQVT/fRO8UYeA6h:2V0eM1DzalFYvPX/yi+pZvgiLf4Fa6h

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2752	powershell.exe
2824	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37

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	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3048	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
2752	powershell.exe
2824	powershell.exe
2748	RegSvcs.exe
2748	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2748	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2748	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2752	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	31
PID 1624 wrote to memory of 2752	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	31
PID 1624 wrote to memory of 2752	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	31
PID 1624 wrote to memory of 2752	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	31
PID 1624 wrote to memory of 2824	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	33
PID 1624 wrote to memory of 2824	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	33
PID 1624 wrote to memory of 2824	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	33
PID 1624 wrote to memory of 2824	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	33
PID 1624 wrote to memory of 3048	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	34
PID 1624 wrote to memory of 3048	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	34
PID 1624 wrote to memory of 3048	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	34
PID 1624 wrote to memory of 3048	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	34
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37
PID 1624 wrote to memory of 2748	1624	42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe	37

C:\Users\Admin\AppData\Local\Temp\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe
"C:\Users\Admin\AppData\Local\Temp\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\42c52ed2af4708289cb182a0fd83026691eabc7c4916a3ef0cf8a01b5f890856.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oDsvWZJmBpNs.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oDsvWZJmBpNs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3048
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp

Filesize
1KB

MD5
0eb46be5a9781352d29bb77d46e45081

SHA1
405e095f791be4e29cd1d9aa9c5dcf3a21dd6e91

SHA256
4f2d9daee8cfe7095a48437d650f0e9c8017a3da3745cac1d0339419a52bc415

SHA512
04f17b5e32fbe69b0aa0812b77a39c2098b8f104e9f1ecf8ee965090d4195dd8492decb48474188093e0ab28b49cc1baaaf87bf799aba060bbda19adad8e50eb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PQASX1TCKB1NQ05NWOWC.temp

Filesize
7KB

MD5
b6f48194322be89b9350dc8cbe290090

SHA1
527eedade40b6917bb2a1f1b48c90319554c4136

SHA256
0dc31b7508ed4121e0d7bc5176f59859557021f88c924b70b79cc2f1861cf406

SHA512
ca7360960ca0747f51feaac73232cfe9e2914a7d5b539efa2a22f9f22ee3671f83e4d9a86405bd649f03898bcaab8ba8ae1d70c0dd387157ccc3f9fe81da4b84

Download Submit
memory/1624-4-0x0000000000970000-0x0000000000996000-memory.dmp

Filesize
152KB

Download
memory/1624-3-0x0000000005520000-0x00000000055DC000-memory.dmp

Filesize
752KB

Download
memory/1624-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1624-5-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1624-6-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/1624-7-0x0000000000310000-0x0000000000396000-memory.dmp

Filesize
536KB

Download
memory/1624-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/1624-1-0x0000000000EB0000-0x0000000000F6C000-memory.dmp

Filesize
752KB

Download
memory/1624-33-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2748-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads