agenttesla | 2ccebd1dd2000856f9aa8ef98853f7ead9a30857e615e094aa2079cdddd1252e

General

Target

JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
Size

717KB
MD5

fa7d4cb090b31cd342f71d47cd10611b
SHA1

17e6a47cca7bd89afeb09b6ddb9f7498ff82e09f
SHA256

2ccebd1dd2000856f9aa8ef98853f7ead9a30857e615e094aa2079cdddd1252e
SHA512

816db1b7819daa795628edb0d5e8ae14b58667e974aa631b7b16cc9180b35e5adb5d883c7c0b305b4f810305b60d6783340a03e0d5a4c1f626445bf6081adee1
SSDEEP

12288:C4foh08OGQu/LXqJFTPGzSQsvc+mo+rTjOWFPsGpIegZxbdcYwrFQMvIKB5v0c/O:C4nnGQO7qazltRu3bdhR

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grodno.by
Port:
587
Username:
[email protected]
Password:
9qd8$2NonPD

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/936-9-0x0000000000400000-0x000000000043C000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2588 set thread context of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99

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	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.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
1920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
936	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
936	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
Token: SeDebugPrivilege	936	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
936	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1920	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	97
PID 2588 wrote to memory of 1920	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	97
PID 2588 wrote to memory of 1920	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	97
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99
PID 2588 wrote to memory of 936	2588	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.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:2588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oETuOv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1920
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:936

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JaffaCakes118_fa7d4cb090b31cd342f71d47cd10611b.exe.log

Filesize
594B

MD5
fdb26b3b547022b45cfaeee57eafd566

SHA1
11c6798b8a59233f404014c5e79b3363cd564b37

SHA256
2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

SHA512
44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp

Filesize
1KB

MD5
21e755446228d148a102b2637ff74741

SHA1
830f78758db13e21fd82df778d0199d787e2c2e4

SHA256
b821046d324ecd926ff46b7f367bb66764d171bd3adeb4773f415310607dc60e

SHA512
abab1e3c704f1f24b15949394809abd6ea254576f8fdef7538eaa78af77cbddc5b419abadace6a729641c9c03cbba23d148b2aceb1e88a0031cc927d35d743b8

Download Submit
memory/936-15-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-12-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-21-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-20-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-19-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/936-18-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-17-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-14-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/936-16-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-0-0x0000000075042000-0x0000000075043000-memory.dmp

Filesize
4KB

Download
memory/2588-3-0x0000000075042000-0x0000000075043000-memory.dmp

Filesize
4KB

Download
memory/2588-13-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-1-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-2-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-5-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-4-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads