agenttesla | c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d

General

Target

c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
Size

573KB
MD5

e980e4958aca75c6162b09abd9a039f0
SHA1

87b91398055bedee386d06600c56b9e0441cad5a
SHA256

c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d
SHA512

fff51b426f8ad3ccc853e197d5318dbe02a0b01373e02c8892af0b4dbd6fbf3bca96a232e8e8d5aebe892617859f983784da050e4f73122c18b19ccdf7120ac5

Score

10^/10

agenttesla metastealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cl-logistics.vn
Port:
587
Username:
[email protected]
Password:
zG@.]Zj4cRxA

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4848-139-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79

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

pid	Process
2532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
4848	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
4848	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
Token: SeDebugPrivilege	4848	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 2532	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	77
PID 3096 wrote to memory of 2532	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	77
PID 3096 wrote to memory of 2532	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	77
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79
PID 3096 wrote to memory of 4848	3096	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	79

C:\Users\Admin\AppData\Local\Temp\c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
"C:\Users\Admin\AppData\Local\Temp\c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sioToLRnkP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB91E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2532
- C:\Users\Admin\AppData\Local\Temp\c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB91E.tmp

Filesize
1KB

MD5
5867c9bb4d8e0641ae38708666296e7d

SHA1
47cde080009c22e60edad86ec628c63f74d130db

SHA256
b5743114934b2dd9531f7208c67df5fc6ef62f9f24c76cf195ddebeb95afc333

SHA512
e0d52b1e0bc2689f19dcbda428dc9e5ec4454662917e8c719e485de26a02316f0e568e86caf56c2c0c8a96d6eec628217c795efb44299013f69b8f47b4442caf

Download Submit
memory/3096-130-0x00000000003E0000-0x0000000000474000-memory.dmp

Filesize
592KB

Download
memory/3096-131-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/3096-132-0x0000000004E20000-0x0000000004EB2000-memory.dmp

Filesize
584KB

Download
memory/3096-133-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/3096-134-0x0000000008AA0000-0x0000000008FCC000-memory.dmp

Filesize
5.2MB

Download
memory/3096-135-0x0000000009380000-0x000000000941C000-memory.dmp

Filesize
624KB

Download
memory/4848-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4848-140-0x00000000066D0000-0x0000000006736000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads