agenttesla | c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d

General

Target

c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
Size

573KB
MD5

e980e4958aca75c6162b09abd9a039f0
SHA1

87b91398055bedee386d06600c56b9e0441cad5a
SHA256

c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d
SHA512

fff51b426f8ad3ccc853e197d5318dbe02a0b01373e02c8892af0b4dbd6fbf3bca96a232e8e8d5aebe892617859f983784da050e4f73122c18b19ccdf7120ac5

Score

10^/10

agenttesla 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

AgentTesla Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1336-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1336-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1336-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1336-65-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/1336-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1336-69-0x0000000000400000-0x000000000043C000-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

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-1-5-21-1819626980-2277161760-1023733287-1000\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 1944 set thread context of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29

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
1464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
1336	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
1336	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
Token: SeDebugPrivilege	1336	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1464	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	27
PID 1944 wrote to memory of 1464	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	27
PID 1944 wrote to memory of 1464	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	27
PID 1944 wrote to memory of 1464	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	27
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29
PID 1944 wrote to memory of 1336	1944	c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe	29

C:\Users\Admin\AppData\Local\Temp\c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe
"C:\Users\Admin\AppData\Local\Temp\c8a957eace4c7c36c4ef77fd3f1433b1aa3c3ff702a38a07b065dc64c731666d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sioToLRnkP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB607.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1464
- 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:1336

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB607.tmp

Filesize
1KB

MD5
1ad8f98f7c6a7cb21e2f285c910217df

SHA1
89fc33fcbe22e00ee5cd07b64875975fe945f901

SHA256
dec3097c4e4f98e093d3113ba410bee22b4b3ac3eca25a64f8f645abea404680

SHA512
51452d22f9fab3e0964c473e40fa61aaae0b6d049e943ebb362588edc39449b2fe37550ccaf4b8c8501f5192065d99757a294a29c1038394eefaddb9536c09c5

Download Submit
memory/1336-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1336-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1944-56-0x0000000007C30000-0x0000000007CB2000-memory.dmp

Filesize
520KB

Download
memory/1944-55-0x0000000000650000-0x000000000066C000-memory.dmp

Filesize
112KB

Download
memory/1944-54-0x0000000000D00000-0x0000000000D94000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads