agenttesla | 53b08ccf3f21eb6c4c2556fd290210d57d8bcdfc92735573ee20839b81a2a98d

Analysis

max time kernel
149s
max time network
103s
platform
windows7_x64
resource
win7v200722
submitted
17/08/2020, 18:50

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General

Target
DHL.PDF.bat.exe
Size 92KB
Sample200817-c3p5fl7ayx
SHA256 53b08ccf3f21eb6c4c2556fd290210d57d8bcdfc92735573ee20839b81a2a98d
MD5 38a11b45b9b878ef81cc13faaabf26a9
SHA1 4a0d79b4944f7a0a71649dfcbf6b86cba6440bed
SHA512 0a0a91f6d69a1aca3f9504afa4314eccecef5489c662d7b7d5f8321907a430329c579f5a2bf5998a857f009c10fd713150eb7634aea6e7d9d9d0c79cce0d17be
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Kontortelefonens5 = "C:\\Users\\Admin\\BESKYTTELSESTOLDSATS\\FISKEDRTTERNE.bat"	RegAsm.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	RegAsm.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1296	DHL.PDF.bat.exe
1448	RegAsm.exe
1448	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1296 set thread context of 1448	1296	DHL.PDF.bat.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1448	RegAsm.exe
1448	RegAsm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1296	DHL.PDF.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1296	DHL.PDF.bat.exe
1448	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24
PID 1296 wrote to memory of 1448	1296	DHL.PDF.bat.exe	24

C:\Users\Admin\AppData\Local\Temp\DHL.PDF.bat.exe
"C:\Users\Admin\AppData\Local\Temp\DHL.PDF.bat.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL.PDF.bat.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1056-3-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

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memory/1448-4-0x00000000739F0000-0x00000000740DE000-memory.dmp

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memory/1448-5-0x0000000000400000-0x0000000000401000-memory.dmp

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