agenttesla | ecc1fd1b10f173ed89edb0288c945642d67c2e19a70f8f12775361cfccb4c641

General

Target

970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
Size

856KB
MD5

970b659d4ac41f366cdfdd480f80f204
SHA1

827e0bed63f595f233cc9e2663a71b2f9a011691
SHA256

ecc1fd1b10f173ed89edb0288c945642d67c2e19a70f8f12775361cfccb4c641
SHA512

ddfd72b021d91b16ffa8e65c51fe7a88b25ec7844955651dbac98275982fff29eca05abcdd98a08c80e52a147b67a889475745f030b8f8269ef8a7dc1509706e
SSDEEP

24576:RyaHMNjZ9gQBkQHdypvSW1FnzSerg6ilDrDpqTW:jshNVWSWLPrgHlDrNqT

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
joegrace2021

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/4960-18-0x0000000000400000-0x000000000043C000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3824 set thread context of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102

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	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	970b659d4ac41f366cdfdd480f80f204_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
5116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
4960	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
4960	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4960	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
Token: SeDebugPrivilege	4960	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 5116	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	100
PID 3824 wrote to memory of 5116	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	100
PID 3824 wrote to memory of 5116	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	100
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102
PID 3824 wrote to memory of 4960	3824	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_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:3824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nZBcJP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF558.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5116
- C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:4960

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

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\Temp\tmpF558.tmp

Filesize
1KB

MD5
f28634896bc4beaf6aad4f66f35782e7

SHA1
03d0f92cde03e0702a0a1e119758906e5f405088

SHA256
098a3c33374d94decb25e5eaf7eefacccdba3ce7fb7b78a6fa3bc01be6222dca

SHA512
40847566d4c2b864f7c49d5fb66fb48bde222a64b237c2bde7c5a68c7b5e5b884da2d4082cc94fa1984a03fd10142faccb2eb409c1b958232b075e8c1f4fc727

Download Submit
C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

Filesize
856KB

MD5
970b659d4ac41f366cdfdd480f80f204

SHA1
827e0bed63f595f233cc9e2663a71b2f9a011691

SHA256
ecc1fd1b10f173ed89edb0288c945642d67c2e19a70f8f12775361cfccb4c641

SHA512
ddfd72b021d91b16ffa8e65c51fe7a88b25ec7844955651dbac98275982fff29eca05abcdd98a08c80e52a147b67a889475745f030b8f8269ef8a7dc1509706e

Download Submit
memory/3824-10-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3824-2-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/3824-4-0x0000000004CD0000-0x0000000004D6C000-memory.dmp

Filesize
624KB

Download
memory/3824-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/3824-6-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3824-7-0x0000000005100000-0x000000000511A000-memory.dmp

Filesize
104KB

Download
memory/3824-8-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/3824-9-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3824-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3824-11-0x0000000006770000-0x0000000006810000-memory.dmp

Filesize
640KB

Download
memory/3824-12-0x0000000008DD0000-0x0000000008E0C000-memory.dmp

Filesize
240KB

Download
memory/3824-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/3824-1-0x0000000000120000-0x00000000001FC000-memory.dmp

Filesize
880KB

Download
memory/3824-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4960-21-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4960-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4960-23-0x00000000056C0000-0x00000000056D8000-memory.dmp

Filesize
96KB

Download
memory/4960-24-0x0000000006340000-0x00000000063A6000-memory.dmp

Filesize
408KB

Download
memory/4960-25-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4960-26-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4960-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads