agenttesla | 7e0a740a561dd3f6ce599f1d6abe946addce41d7326be0daf860405fb5377b07

General

Target

dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe
Size

943KB
MD5

dfd180fbf4b40a7d1a652a7443e6371a
SHA1

760a8a2d851aa3cf76c6dc2a5380b53c8f506e63
SHA256

7e0a740a561dd3f6ce599f1d6abe946addce41d7326be0daf860405fb5377b07
SHA512

007495fde34756e4c0a140d957b3e302323851bc980d6533bd7894fe4808921b1ab6fc1b79ac023e1f78a6dba02c62acc0354fae601c328dd9e2b40b49d28c80
SSDEEP

24576:jbFKLriziS1NtoqrITO8rE79mhZoAT6QCLBiAsiBVzYZ6:wi/tPcTZrEs+DBiEH

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sky-qrp.com
Port:
587
Username:
[email protected]
Password:
h!xUls&%FS,V

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/3020-17-0x0000000000400000-0x000000000043C000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	dfd180fbf4b40a7d1a652a7443e6371a_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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98

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	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfd180fbf4b40a7d1a652a7443e6371a_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
4456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe
3020	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3020	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4456	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	96
PID 4920 wrote to memory of 4456	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	96
PID 4920 wrote to memory of 4456	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	96
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98
PID 4920 wrote to memory of 3020	4920	dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJZwaelbNxuZf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F65.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4456
- C:\Users\Admin\AppData\Local\Temp\dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dfd180fbf4b40a7d1a652a7443e6371a_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:3020

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\Microsoft\CLR_v4.0_32\UsageLogs\dfd180fbf4b40a7d1a652a7443e6371a_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F65.tmp

Filesize
1KB

MD5
775bd8557f078886e8bdbbb95f041de8

SHA1
a189077d0376be8f9d43b31a856b210dff629ce0

SHA256
3be3220130a774529541a53917d5d864f7eebfc48887a68068d4089e23342c1f

SHA512
827775e78a449a877fc5542d7e98c32125a2f09da2da564c415decfa7b68c41d25a8c80aaa56ed66be19313eb7d75b7f7bd69ac1b8637c219b5939ae31846264

Download Submit
memory/3020-26-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3020-25-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3020-24-0x00000000066E0000-0x0000000006746000-memory.dmp

Filesize
408KB

Download
memory/3020-23-0x0000000005E40000-0x0000000005E58000-memory.dmp

Filesize
96KB

Download
memory/3020-22-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3020-21-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3020-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4920-5-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/4920-10-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4920-11-0x0000000005AE0000-0x0000000005B44000-memory.dmp

Filesize
400KB

Download
memory/4920-9-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/4920-7-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/4920-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4920-6-0x0000000005720000-0x0000000005776000-memory.dmp

Filesize
344KB

Download
memory/4920-20-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4920-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/4920-4-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/4920-3-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/4920-2-0x00000000054F0000-0x000000000558C000-memory.dmp

Filesize
624KB

Download
memory/4920-1-0x00000000009D0000-0x0000000000AC2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads