agenttesla | d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6

General

Target

JUSTIF.TRANSF..exe
Size

798KB
MD5

fb029eca94061f0186fc8701bdc85c77
SHA1

08231601ad4894e80dc1bd323456ed5e4cacb13c
SHA256

d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6
SHA512

f46da4da503d580eb9fb9648141375f1a5c244d6832a7c426d65337d0e7cec6f515ae1ee9a0921002c4d04b99b01b09775ffe8823e9a557f0ff78aee57cf07d4
SSDEEP

12288:R6dum27u49Zr7EwcCiCXZHvyK7m2GtW8rTRpJ9ShOWQ7G/GFH9eo:R6dufltdcCpPyPW8rTRp6I8+deo

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7189076260:AAHEL9QuHqQcKXN8kPXNO5BpYSd3XtQOqFg/

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

Processes:

JUSTIF.TRANSF..exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" JUSTIF.TRANSF..exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JUSTIF.TRANSF..exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

JUSTIF.TRANSF..exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	JUSTIF.TRANSF..exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JUSTIF.TRANSF..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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

JUSTIF.TRANSF..exe

description pid process target process

PID 2320 set thread context of 2704 2320 JUSTIF.TRANSF..exe installutil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2320 set thread context of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

JUSTIF.TRANSF..exepowershell.exeinstallutil.exe

pid	process
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2320	JUSTIF.TRANSF..exe
2540	powershell.exe
2704	installutil.exe
2704	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

JUSTIF.TRANSF..exepowershell.exeinstallutil.exe

description	pid	process
Token: SeDebugPrivilege	2320	JUSTIF.TRANSF..exe
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeDebugPrivilege	2704	installutil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

installutil.exe

pid process

2704 installutil.exe

pid	process
2704	installutil.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

JUSTIF.TRANSF..exe

description	pid	process	target process
PID 2320 wrote to memory of 2540	2320	JUSTIF.TRANSF..exe	powershell.exe
PID 2320 wrote to memory of 2540	2320	JUSTIF.TRANSF..exe	powershell.exe
PID 2320 wrote to memory of 2540	2320	JUSTIF.TRANSF..exe	powershell.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2704	2320	JUSTIF.TRANSF..exe	installutil.exe
PID 2320 wrote to memory of 2716	2320	JUSTIF.TRANSF..exe	WerFault.exe
PID 2320 wrote to memory of 2716	2320	JUSTIF.TRANSF..exe	WerFault.exe
PID 2320 wrote to memory of 2716	2320	JUSTIF.TRANSF..exe	WerFault.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

JUSTIF.TRANSF..exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" JUSTIF.TRANSF..exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JUSTIF.TRANSF..exe

C:\Users\Admin\AppData\Local\Temp\JUSTIF.TRANSF..exe
"C:\Users\Admin\AppData\Local\Temp\JUSTIF.TRANSF..exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2320

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\JUSTIF.TRANSF..exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2704

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2320 -s 764
2⤵
PID:2716

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2320-0-0x00000000010A0000-0x00000000010DA000-memory.dmp

Filesize
232KB

Download
memory/2320-1-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-2-0x000000001B320000-0x000000001B3A0000-memory.dmp

Filesize
512KB

Download
memory/2320-3-0x000000001B260000-0x000000001B2F4000-memory.dmp

Filesize
592KB

Download
memory/2320-30-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2540-25-0x0000000002AA0000-0x0000000002B20000-memory.dmp

Filesize
512KB

Download
memory/2540-21-0x000007FEED500000-0x000007FEEDE9D000-memory.dmp

Filesize
9.6MB

Download
memory/2540-29-0x000007FEED500000-0x000007FEEDE9D000-memory.dmp

Filesize
9.6MB

Download
memory/2540-26-0x0000000002AA0000-0x0000000002B20000-memory.dmp

Filesize
512KB

Download
memory/2540-27-0x0000000002AA0000-0x0000000002B20000-memory.dmp

Filesize
512KB

Download
memory/2540-22-0x0000000002AA0000-0x0000000002B20000-memory.dmp

Filesize
512KB

Download
memory/2540-23-0x000007FEED500000-0x000007FEEDE9D000-memory.dmp

Filesize
9.6MB

Download
memory/2540-19-0x000000001B2A0000-0x000000001B582000-memory.dmp

Filesize
2.9MB

Download
memory/2540-20-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/2704-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-24-0x0000000073E40000-0x000000007452E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-28-0x0000000004C60000-0x0000000004CA0000-memory.dmp

Filesize
256KB

Download
memory/2704-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2704-31-0x0000000073E40000-0x000000007452E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-32-0x0000000004C60000-0x0000000004CA0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads