agenttesla | b3d0bf9251e4c9e7643d80a95dc7ed46e06f062610c3f3cbcebb8ba8343ecede

General

Target

PO#011.PDF.exe
Size

901KB
MD5

98957c57335fcefd5dce687b2eb7c248
SHA1

8f3893d501e48d7c582f1de1f321f8ac24338262
SHA256

b3d0bf9251e4c9e7643d80a95dc7ed46e06f062610c3f3cbcebb8ba8343ecede
SHA512

61ab71fae09b8f7fa28f9c7cdc055f28f91bd72367fa39c752ca95d1e5168e51ed64dcbe1bd72b6c0dd570ddb7b5ca8b954331ce3b61e705b7151db0660e9f89

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flourmillsindia.com
Port:
587
Username:
sales@flourmillsindia.com
Password:
Swastik@1

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/868-68-0x000000000043751E-mapping.dmp	family_agenttesla
behavioral1/memory/868-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/868-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#011.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\RXhUFA = "C:\\Users\\Admin\\AppData\\Roaming\\RXhUFA\\RXhUFA.exe"	PO#011.PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#011.PDF.exe

description pid process target process

PID 1788 set thread context of 868 1788 PO#011.PDF.exe PO#011.PDF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO#011.PDF.exe

pid process

868 PO#011.PDF.exe
868 PO#011.PDF.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#011.PDF.exe

description pid process

Token: SeDebugPrivilege 868 PO#011.PDF.exe

description	pid	process	target process
PID 1788 set thread context of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe

pid	process
1044	schtasks.exe

pid	process
868	PO#011.PDF.exe
868	PO#011.PDF.exe

description	pid	process
Token: SeDebugPrivilege	868	PO#011.PDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO#011.PDF.exe

description	pid	process	target process
PID 1788 wrote to memory of 1044	1788	PO#011.PDF.exe	schtasks.exe
PID 1788 wrote to memory of 1044	1788	PO#011.PDF.exe	schtasks.exe
PID 1788 wrote to memory of 1044	1788	PO#011.PDF.exe	schtasks.exe
PID 1788 wrote to memory of 1044	1788	PO#011.PDF.exe	schtasks.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe
PID 1788 wrote to memory of 868	1788	PO#011.PDF.exe	PO#011.PDF.exe

C:\Users\Admin\AppData\Local\Temp\PO#011.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PO#011.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QWibalCwxQG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50AF.tmp"
2⤵
- Creates scheduled task(s)
PID:1044

C:\Users\Admin\AppData\Local\Temp\PO#011.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PO#011.PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:868

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50AF.tmp
MD5
7c1f9bfb117e1ef05b7c4950599182a0

SHA1
a14e9028bc2b96e965fc9f01e9f01fc96e695266

SHA256
f6a340af01304a45c0069e182f4c3dca7d01bb16bf9da14c3a7b43e5377447a0

SHA512
fa4f3bac0e4ecdb43a230e64a00cd1b6d623b802c4768aad517d12ad870182526063bd990298f56ca48a06c59f2047bf140e8190e70e4a74ae053253c9864e55

Download Submit
memory/868-68-0x000000000043751E-mapping.dmp

Download
memory/868-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/868-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/868-71-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/1044-65-0x0000000000000000-mapping.dmp

Download
memory/1788-59-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1788-61-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1788-62-0x0000000000600000-0x0000000000604000-memory.dmp

Filesize
16KB

Download
memory/1788-63-0x0000000005120000-0x00000000051E9000-memory.dmp

Filesize
804KB

Download
memory/1788-64-0x00000000051F0000-0x0000000005283000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads