agenttesla | 7aa9168ac939fe52cad38ab87124d3afc732d0ab32ae872731e92fce2bf8e856

General

Target

357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe
Size

676KB
MD5

357067685a8a687795276a45aad7d4cc
SHA1

25c1e94ce37ee39b254d08cfdcd7207a35e5650c
SHA256

7aa9168ac939fe52cad38ab87124d3afc732d0ab32ae872731e92fce2bf8e856
SHA512

ea29bd39d081dbcd1d702d46e6391ce2f4ed2819a3083f929f9bff27f87b9f5f7706b0be132dddd98401e89ffebef6dfb7b736bd507f988af8a32f1b768fa592
SSDEEP

12288:fB8QkRRoGkpFPRfVFnyYV7+Zh5YQkBtB6L:f2QkRmGeFPRtjV7+X5YQyB6L

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.chamundeshwari.com
Port:
587
Username:
[email protected]
Password:
5>KPDhsW

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2780-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2780-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2780-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2780-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2780-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\jtWJkNI = "C:\\Users\\Admin\\AppData\\Roaming\\jtWJkNI\\jtWJkNI.exe"	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
348	2780	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe
2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2624	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	29
PID 1456 wrote to memory of 2624	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	29
PID 1456 wrote to memory of 2624	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	29
PID 1456 wrote to memory of 2624	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	29
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 1456 wrote to memory of 2780	1456	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	31
PID 2780 wrote to memory of 348	2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	33
PID 2780 wrote to memory of 348	2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	33
PID 2780 wrote to memory of 348	2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	33
PID 2780 wrote to memory of 348	2780	357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GrjsXhs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4AF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\357067685a8a687795276a45aad7d4cc_JaffaCakes118.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 1020
    3⤵
    - Program crash
    PID:348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB4AF.tmp

Filesize
1KB

MD5
f180f27637da3608fb1be55851ba255b

SHA1
40da9aed0eddbcb886090de53f9171a923550270

SHA256
22e5ffc55526e11a73b52f6954589d5f4df54bb15f3a0e8db069d681482941fc

SHA512
d6eea430c011180008dd363b2abbad870e91e33b32c64fc8f376f2db33d54216a5c527fe9bf0d1a7c0e1cd2e368869761a775fcfb6ec825642ed6a04aa75cecf

Download Submit
memory/1456-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1456-1-0x00000000010E0000-0x0000000001190000-memory.dmp

Filesize
704KB

Download
memory/1456-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1456-3-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/1456-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1456-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1456-6-0x00000000058B0000-0x0000000005966000-memory.dmp

Filesize
728KB

Download
memory/1456-7-0x0000000005450000-0x00000000054CC000-memory.dmp

Filesize
496KB

Download
memory/1456-23-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-22-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2780-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-24-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-25-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-26-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-28-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads