agenttesla | 20ee9ee7d02539faf4da844dc11c849edf7c7e73cc5a7f2e38d4b2db7cef8846

Analysis

max time kernel
142s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 22:51

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General

Target

120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe
Size

1.0MB
MD5

120e555c6bd701aecfb36f851f5a4782
SHA1

2e54fa8e4843e0a11169d4019fcbda27654e8096
SHA256

20ee9ee7d02539faf4da844dc11c849edf7c7e73cc5a7f2e38d4b2db7cef8846
SHA512

0bcadb8106ed698b673e664c23f599c7d97ed92f905aed1ee90ba5eb17300cbfa01f563c85dc736ba6172a47f4e13e2345b56fe330a1aa6bf5ac69d06c5487b7
SSDEEP

24576:rAOcZEhJBDC6qaS9P9QPrwua6TPY5I7nT1RMwa+wf:tPha59Qw96c5IzTXM7+A

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thts.vn
Port:
587
Username:
[email protected]
Password:
123luongngan1989
Email To:
[email protected]

Signatures

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

AgentTesla payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3484-78-0x0000000000F00000-0x00000000014A1000-memory.dmp	family_agenttesla
behavioral2/memory/3484-79-0x0000000000F00000-0x0000000000F3C000-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

Processes:

120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation 120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

xsbv.pif

pid process

1632 xsbv.pif

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe

pid	process
1632	xsbv.pif

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

xsbv.pif

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "c:\\72418024\\xsbv.pif c:\\72418024\\qnnrxskm.kgp"	xsbv.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "c:\\72418024\\Update.vbs"	xsbv.pif

Suspicious use of SetThreadContext 1 IoCs

Processes:

xsbv.pif

description pid process target process

PID 1632 set thread context of 3484 1632 xsbv.pif RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

3484 RegSvcs.exe
3484 RegSvcs.exe
3484 RegSvcs.exe
3484 RegSvcs.exe
3484 RegSvcs.exe
3484 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3484 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

3484 RegSvcs.exe

description	pid	process	target process
PID 1632 set thread context of 3484	1632	xsbv.pif	RegSvcs.exe

pid	process
3484	RegSvcs.exe
3484	RegSvcs.exe
3484	RegSvcs.exe
3484	RegSvcs.exe
3484	RegSvcs.exe
3484	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3484	RegSvcs.exe

pid	process
3484	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exexsbv.pif

description	pid	process	target process
PID 1560 wrote to memory of 1632	1560	120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe	xsbv.pif
PID 1560 wrote to memory of 1632	1560	120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe	xsbv.pif
PID 1560 wrote to memory of 1632	1560	120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe	xsbv.pif
PID 1632 wrote to memory of 3484	1632	xsbv.pif	RegSvcs.exe
PID 1632 wrote to memory of 3484	1632	xsbv.pif	RegSvcs.exe
PID 1632 wrote to memory of 3484	1632	xsbv.pif	RegSvcs.exe
PID 1632 wrote to memory of 3484	1632	xsbv.pif	RegSvcs.exe
PID 1632 wrote to memory of 3484	1632	xsbv.pif	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\120e555c6bd701aecfb36f851f5a4782_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1560

C:\72418024\xsbv.pif
"C:\72418024\xsbv.pif" qnnrxskm.kgp
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3484

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\72418024\dknxwoc.eqj
Filesize
427KB

MD5
4639516567877fd3c7d39266ddc4667a

SHA1
a441f0d50762df469b50142ac7c2d51db3a93bac

SHA256
c5225ddb47320aba407642956037253ef03d1e80d6eff41002d1fbbd325f9600

SHA512
5bb4310f377eec531b92bbf982341111f35070a68499629520c1dad1718b234df92f7419bdc2b3ab04002857446ea6d6afa1b8d9702ddb08384cd6ba790416c5

Download Submit
C:\72418024\prsrqhkfis.docx
Filesize
56KB

MD5
613ae5df2cb58af96ebf37aecd89a70c

SHA1
917b1221ec7b78c5a3df1d3087f9eabe7f91f0e9

SHA256
2ffe62b582951670373705aba8219e47a4c51b48ec9890a492581682eb8ea674

SHA512
7e114a9aea587f99da0fed1b33296cd76e0e0c3f57b21390da6ce2e49cde2cf1d083482d6beaff52bb661de93414e57874e069882386743503c45546d1537f3f

Download Submit
C:\72418024\qnnrxskm.kgp
Filesize
143.5MB

MD5
85a5728a74bc859321f089eb3f530e52

SHA1
d431be9c6b958020ac18c17531d1f016cb39fb63

SHA256
85011f1a8f5e22a42ef483b64838d770315cdd0fab46fe3bf27b3c0a4be5110e

SHA512
d1ba2e5f5c820d43a021f4e416a438d659d3ad56f7b6665789278ca06367c2ffd5e2f5d1d1722976e3fce2c21458daaf322b79b8dd7854be86751b61d10c2133

Download Submit
C:\72418024\xsbv.pif
Filesize
759KB

MD5
8e699954f6b5d64683412cc560938507

SHA1
8ca6708b0f158eacce3ac28b23c23ed42c168c29

SHA256
c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40

SHA512
13035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02

Download Submit
memory/3484-82-0x0000000005C60000-0x0000000005CF2000-memory.dmp

Filesize
584KB

Download
memory/3484-79-0x0000000000F00000-0x0000000000F3C000-memory.dmp

Filesize
240KB

Download
memory/3484-80-0x00000000726E0000-0x0000000072E90000-memory.dmp

Filesize
7.7MB

Download
memory/3484-81-0x0000000006210000-0x00000000067B4000-memory.dmp

Filesize
5.6MB

Download
memory/3484-78-0x0000000000F00000-0x00000000014A1000-memory.dmp

Filesize
5.6MB

Download
memory/3484-83-0x0000000005B40000-0x0000000005B50000-memory.dmp

Filesize
64KB

Download
memory/3484-84-0x0000000005DD0000-0x0000000005E6C000-memory.dmp

Filesize
624KB

Download
memory/3484-85-0x00000000061F0000-0x0000000006208000-memory.dmp

Filesize
96KB

Download
memory/3484-86-0x0000000006A90000-0x0000000006AF6000-memory.dmp

Filesize
408KB

Download
memory/3484-87-0x00000000726E0000-0x0000000072E90000-memory.dmp

Filesize
7.7MB

Download
memory/3484-88-0x0000000005B40000-0x0000000005B50000-memory.dmp

Filesize
64KB

Download
memory/3484-89-0x00000000019B0000-0x0000000001A00000-memory.dmp

Filesize
320KB

Download
memory/3484-90-0x0000000001A30000-0x0000000001A3A000-memory.dmp

Filesize
40KB

Download