agenttesla | b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71

General

Target

DOC.exe
Size

708KB
MD5

6b8091a3446c4794afe76977c38e91fa
SHA1

ee78f43f53f4b4dc63e8a1ae246a2bfe91b19e98
SHA256

b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71
SHA512

4e076e7b79660bc80275b7613494afe340aee1189a2d65f6c5c9eade902f89d820823a6c60a352ee3dbf4a9bac00c52c40894ab9e17dbb974d5388d0a027d2af

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1772-4-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1772-5-0x00000000004472EE-mapping.dmp	family_agenttesla
behavioral1/memory/1772-6-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1772-7-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.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-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\sLbGMVN = "C:\\Users\\Admin\\AppData\\Roaming\\sLbGMVN\\sLbGMVN.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 272 set thread context of 1772	272	DOC.exe	28

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
1860	schtasks.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1912	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1772	RegSvcs.exe
1772	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1772	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 272 wrote to memory of 1860	272	DOC.exe	26
PID 272 wrote to memory of 1860	272	DOC.exe	26
PID 272 wrote to memory of 1860	272	DOC.exe	26
PID 272 wrote to memory of 1860	272	DOC.exe	26
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 272 wrote to memory of 1772	272	DOC.exe	28
PID 1772 wrote to memory of 1912	1772	RegSvcs.exe	30
PID 1772 wrote to memory of 1912	1772	RegSvcs.exe	30
PID 1772 wrote to memory of 1912	1772	RegSvcs.exe	30
PID 1772 wrote to memory of 1912	1772	RegSvcs.exe	30

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:272
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nGADTNiT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC5B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1860
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
    3⤵
    - Modifies registry key
    PID:1912

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

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1772-4-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1772-6-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1772-7-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads