agenttesla | ddce93e04303bababc6a38bc0ee011ac8d55905f9f32d3d2f21fcb31de681dce

General

Target

e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
Size

539KB
MD5

e06eabb5ec39afc9df92a36d9aff7347
SHA1

bef2716ea80432f5c196f900d0cf0c06f2449e51
SHA256

ddce93e04303bababc6a38bc0ee011ac8d55905f9f32d3d2f21fcb31de681dce
SHA512

2ce3afd280c014952f1122a54c4b0c8d0045f57f78b3e8f62f4e1ccfd3b8102c893a0f1218b0a26b9365109dba01e88fc89b653b503175f93fc77e35d350123a
SSDEEP

12288:egz6hG1y9YgggdiK29lBWd32WlqzSsT/HuiwZdJYzinq6/lT:vggFvBA2hWifqZMiq6/

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.seroval.com
Port:
587
Username:
[email protected]
Password:
5dB83uEf@Ude

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/1980-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1980-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1980-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1980-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1980-18-0x0000000000400000-0x000000000043C000-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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_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	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e06eabb5ec39afc9df92a36d9aff7347_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
1264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
1980	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
1980	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1980	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
Token: SeDebugPrivilege	1980	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 1264	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	31
PID 2748 wrote to memory of 1264	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	31
PID 2748 wrote to memory of 1264	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	31
PID 2748 wrote to memory of 1264	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	31
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33
PID 2748 wrote to memory of 1980	2748	e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e06eabb5ec39afc9df92a36d9aff7347_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:2748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bQDiIlT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF650.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1264
- C:\Users\Admin\AppData\Local\Temp\e06eabb5ec39afc9df92a36d9aff7347_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e06eabb5ec39afc9df92a36d9aff7347_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:1980

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\tmpF650.tmp

Filesize
1KB

MD5
a3eaeb56d4d52d95808f9408aa297025

SHA1
52adf30ebb35a1f2318a1392ca24160d3d234568

SHA256
b0cce4277a35a377a87d53e9c23e472b4130b0cc742080f9ea8da49860ea05f1

SHA512
06ff730590e6231e1d669a860a79d749302a3c03a59d878a817e2f58873592207ce5a2f1379d7d048d5d9f598e700d4719bbd4e2376f695dfcd1c6fd131e913b

Download Submit
memory/1980-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1980-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-26-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1980-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-24-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1980-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-27-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1980-25-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1980-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-1-0x0000000000B90000-0x0000000000C1C000-memory.dmp

Filesize
560KB

Download
memory/2748-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2748-23-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-6-0x0000000000890000-0x00000000008F4000-memory.dmp

Filesize
400KB

Download
memory/2748-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2748-3-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads