agenttesla | 8343e4d3a3599b845d0a466bf52f0e110100451bf773559a356fc4fc60eeaa54

General

Target

e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
Size

1.9MB
MD5

e4c9b4087c5f5474c58de7848f352d11
SHA1

8056f81b2fabf3dc98202dbd194e73e6e9efc46f
SHA256

8343e4d3a3599b845d0a466bf52f0e110100451bf773559a356fc4fc60eeaa54
SHA512

7d4a6188768c9dbe5fad97551d3a42a7de09333820710e45ec5d3071871988d8f99546b131f7e993dcf8ce9e3cdca585b0d19740f2eb7f347c6340261e81ffeb
SSDEEP

24576:sx6tux8GaXJRc56R83utBsS3/nxJX/4X/otEZ4UJKW1mzLFeCXDMDY4U7:HJuyBsMoRZ4UJKW1mzLFeCXDMDY4U

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wowwow.com.sg
Port:
587
Username:
[email protected]
Password:
$$wow_5405*
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2032-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4176 set thread context of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92

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

System Information Discovery
T1082

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	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4c9b4087c5f5474c58de7848f352d11_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
1876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
2032	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
2032	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
Token: SeDebugPrivilege	2032	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 1876	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	90
PID 4176 wrote to memory of 1876	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	90
PID 4176 wrote to memory of 1876	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	90
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92
PID 4176 wrote to memory of 2032	4176	e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EjCJJUwDZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1876
- C:\Users\Admin\AppData\Local\Temp\e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\e4c9b4087c5f5474c58de7848f352d11_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCC3.tmp

Filesize
1KB

MD5
3f5130be92372fc5f60f4a6644a22219

SHA1
40bc2f24bf722ba00e52014a9db02a699612c876

SHA256
501c82bc53816f7229089357ae99f81101c07d7eb130fd1cd720402209ae448c

SHA512
2b95fa27cfa75fc9c1ac899cfc936edf468555478f012957da6f6345d64b5490b691c16ecbf6bca28526f12a6779447cef58f3f50b8837b81b6bf72749228947

Download Submit
memory/2032-26-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2032-25-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2032-24-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/2032-23-0x00000000054F0000-0x0000000005508000-memory.dmp

Filesize
96KB

Download
memory/2032-22-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2032-20-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2032-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4176-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

Filesize
40KB

Download
memory/4176-10-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4176-11-0x0000000005B40000-0x0000000005BA4000-memory.dmp

Filesize
400KB

Download
memory/4176-9-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4176-8-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/4176-7-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4176-6-0x0000000005080000-0x00000000050D6000-memory.dmp

Filesize
344KB

Download
memory/4176-21-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4176-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4176-4-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/4176-3-0x0000000005430000-0x00000000059D4000-memory.dmp

Filesize
5.6MB

Download
memory/4176-2-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

Filesize
624KB

Download
memory/4176-1-0x00000000001F0000-0x00000000003E4000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads