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 5 IoCs

resource	yara_rule
behavioral1/memory/2176-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2176-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2176-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2176-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2176-16-0x0000000000400000-0x000000000043C000-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-1-5-21-2039016743-699959520-214465309-1000\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 2392 set thread context of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33

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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
2176	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
2176	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2176	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
Token: SeDebugPrivilege	2176	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2756	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	31
PID 2392 wrote to memory of 2756	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	31
PID 2392 wrote to memory of 2756	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	31
PID 2392 wrote to memory of 2756	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	31
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2176	2392	970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\970b659d4ac41f366cdfdd480f80f204_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nZBcJP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13DE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2756
- 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:2176

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\tmp13DE.tmp

Filesize
1KB

MD5
247357412ac8bf4380dfe6bf55c17ddf

SHA1
206094a31ae4c83f6eeb6c98038b383fe0cea9af

SHA256
227fc2875ddccaf468347b5ae4480ad9ac1883e40a5d86c73646f72f76980ed6

SHA512
63a45a118c75bb8cecbe2ba61ba1c1a37c9090189bf618f059d93da8d605586ad417c4ef2324345608aece0899e5ab67a40e89edf8951d81c6aa8377750bfb9e

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

Filesize
856KB

MD5
970b659d4ac41f366cdfdd480f80f204

SHA1
827e0bed63f595f233cc9e2663a71b2f9a011691

SHA256
ecc1fd1b10f173ed89edb0288c945642d67c2e19a70f8f12775361cfccb4c641

SHA512
ddfd72b021d91b16ffa8e65c51fe7a88b25ec7844955651dbac98275982fff29eca05abcdd98a08c80e52a147b67a889475745f030b8f8269ef8a7dc1509706e

Download Submit
memory/2176-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-25-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-29-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-28-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-27-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2176-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2392-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2392-7-0x00000000006B0000-0x00000000006EC000-memory.dmp

Filesize
240KB

Download
memory/2392-26-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-3-0x00000000001C0000-0x00000000001DA000-memory.dmp

Filesize
104KB

Download
memory/2392-6-0x00000000058B0000-0x0000000005950000-memory.dmp

Filesize
640KB

Download
memory/2392-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x00000000009B0000-0x0000000000A8C000-memory.dmp

Filesize
880KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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