agenttesla | 639927d618b812cfd77638461dee8462d16ee991a5d46fea9eef76cc014a2872

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 01:46

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General

Target
RFQ-773463738342337833748334.exe
Size 1.8MB
Sample240615-b65azavdpc
SHA256 d6c0abd10f0fdda2bc4853cda6248a75f6b9c4a21de781b18be66519e124fb56
MD5 4913f862967c91cdd81223517a75a096
SHA1 568bcbaaab18964aeca3135588db57a3eb77a03e
SHA512 4a4caebebee4a0230490b3a1c5e7b2188940a32e9ae5ec0001cf093f49aa568f63d0abd0aab811da2f0a5e5cafba1998f8f0facbe73ae0fd97bbfda0fbd00f5d
SSDEEP 12288:0qnVFaqP9D/Lb3lXf2IGAlCYg0Eyg2mMG+FCEw2Hpd2rC6jkku8AQg2QMFi:0qvagDvdfdl40EyYMZhrJqo04
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
cphost09.qhoster.net
Port
587
Username
[email protected]
Password
Emotion!22
Email to
[email protected]

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-773463738342337833748334.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2600	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ-773463738342337833748334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-773463738342337833748334.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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2692	1988	RFQ-773463738342337833748334.exe	30

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2692	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2600	powershell.exe
2692	jsc.exe
2692	jsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	2692	jsc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2600	1988	RFQ-773463738342337833748334.exe	28
PID 1988 wrote to memory of 2600	1988	RFQ-773463738342337833748334.exe	28
PID 1988 wrote to memory of 2600	1988	RFQ-773463738342337833748334.exe	28
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2692	1988	RFQ-773463738342337833748334.exe	30
PID 1988 wrote to memory of 2776	1988	RFQ-773463738342337833748334.exe	31
PID 1988 wrote to memory of 2776	1988	RFQ-773463738342337833748334.exe	31
PID 1988 wrote to memory of 2776	1988	RFQ-773463738342337833748334.exe	31
PID 2692 wrote to memory of 2856	2692	jsc.exe	33
PID 2692 wrote to memory of 2856	2692	jsc.exe	33
PID 2692 wrote to memory of 2856	2692	jsc.exe	33
PID 2692 wrote to memory of 2856	2692	jsc.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-773463738342337833748334.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-773463738342337833748334.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-773463738342337833748334.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1988
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-773463738342337833748334.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1408
    3⤵
    - Program crash
    PID:2856
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1988 -s 740
  2⤵
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1988-1-0x0000000001170000-0x0000000001190000-memory.dmp

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memory/1988-2-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

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memory/1988-3-0x0000000000290000-0x0000000000324000-memory.dmp

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memory/1988-24-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

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memory/1988-23-0x000007FEF5963000-0x000007FEF5964000-memory.dmp

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memory/1988-0-0x000007FEF5963000-0x000007FEF5964000-memory.dmp

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memory/2600-18-0x0000000001FB0000-0x0000000001FB8000-memory.dmp

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memory/2600-8-0x0000000002D20000-0x0000000002DA0000-memory.dmp

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memory/2600-17-0x000000001B720000-0x000000001BA02000-memory.dmp

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memory/2692-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2692-20-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-15-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-13-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-11-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-9-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-21-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2692-22-0x0000000000400000-0x0000000000442000-memory.dmp

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