agenttesla | 0e9fa90babcb589d65f6e7e3052a05c3312a885579ccfb572e76273bb1bb934a

General

Target

yKvZH.exe
Size

365KB
MD5

f5c30a79af9acf6fc4065cad77aa0fd3
SHA1

222030b3943e9ed72a9c0b1a4bd74293c15e2dbe
SHA256

64c3a2f1f3d66c15c7a383c838347878c5925030bf93657807807d0e9e864846
SHA512

093640c3a7dbcdd5d388cd29f434c4a0d7f2381f89325418ae0a9a4a03a4dae798cc7dbdcf88897b79f8327222de07414cf1f7742c2db3350c4556e50afd29f4
SSDEEP

6144:7V13TaaCOyVm4adic91/pyru0AZ6Y4e5P1p1h2CVIzTARnDFkeePeov+:BVauyVRuBpyy1LP1rh2Cazteke

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7185592808:AAH40VecOIxIokAMjd2dL-3MoQxpbXJyxfE/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

yKvZH.exeyKvZH.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yKvZH = "C:\\Users\\Admin\\AppData\\Roaming\\yKvZH\\yKvZH.exe"	yKvZH.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yKvZH = "C:\\Users\\Admin\\AppData\\Roaming\\yKvZH\\yKvZH.exe"	yKvZH.exe

Looks up external IP address via web service 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

150 ip-api.com
32 api.ipify.org
33 api.ipify.org
36 ip-api.com
148 api.ipify.org

flow	ioc
150	ip-api.com
32	api.ipify.org
33	api.ipify.org
36	ip-api.com
148	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

yKvZH.exeyKvZH.exe

description	pid	process	target process
PID 2500 set thread context of 3260	2500	yKvZH.exe	yKvZH.exe
PID 4068 set thread context of 2860	4068	yKvZH.exe	yKvZH.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

yKvZH.exeyKvZH.exe

pid process

3260 yKvZH.exe
3260 yKvZH.exe
2860 yKvZH.exe
2860 yKvZH.exe
2860 yKvZH.exe
2860 yKvZH.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

yKvZH.exeyKvZH.exe

description pid process

Token: SeDebugPrivilege 3260 yKvZH.exe
Token: SeDebugPrivilege 2860 yKvZH.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

yKvZH.exeyKvZH.exe

pid process

3260 yKvZH.exe
2860 yKvZH.exe

pid	process
3260	yKvZH.exe
3260	yKvZH.exe
2860	yKvZH.exe
2860	yKvZH.exe
2860	yKvZH.exe
2860	yKvZH.exe

description	pid	process
Token: SeDebugPrivilege	3260	yKvZH.exe
Token: SeDebugPrivilege	2860	yKvZH.exe

pid	process
3260	yKvZH.exe
2860	yKvZH.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

yKvZH.exeyKvZH.exe

description	pid	process	target process
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 2500 wrote to memory of 3260	2500	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe
PID 4068 wrote to memory of 2860	4068	yKvZH.exe	yKvZH.exe

C:\Users\Admin\AppData\Local\Temp\yKvZH.exe
"C:\Users\Admin\AppData\Local\Temp\yKvZH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2500

C:\Users\Admin\AppData\Local\Temp\yKvZH.exe
"C:\Users\Admin\AppData\Local\Temp\yKvZH.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3260

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2984

C:\Users\Admin\AppData\Local\Temp\yKvZH.exe
"C:\Users\Admin\AppData\Local\Temp\yKvZH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4068

C:\Users\Admin\AppData\Local\Temp\yKvZH.exe
"C:\Users\Admin\AppData\Local\Temp\yKvZH.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\yKvZH\yKvZH.exe
Filesize
365KB

MD5
f5c30a79af9acf6fc4065cad77aa0fd3

SHA1
222030b3943e9ed72a9c0b1a4bd74293c15e2dbe

SHA256
64c3a2f1f3d66c15c7a383c838347878c5925030bf93657807807d0e9e864846

SHA512
093640c3a7dbcdd5d388cd29f434c4a0d7f2381f89325418ae0a9a4a03a4dae798cc7dbdcf88897b79f8327222de07414cf1f7742c2db3350c4556e50afd29f4

Download Submit
memory/2500-1-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2500-2-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/2500-4-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/2500-0-0x00000000005C0000-0x0000000000622000-memory.dmp

Filesize
392KB

Download
memory/2500-9-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2860-21-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2860-29-0x0000000004EF0000-0x0000000004F00000-memory.dmp

Filesize
64KB

Download
memory/2860-28-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2860-23-0x0000000004EF0000-0x0000000004F00000-memory.dmp

Filesize
64KB

Download
memory/3260-6-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/3260-8-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/3260-14-0x0000000007330000-0x00000000073C2000-memory.dmp

Filesize
584KB

Download
memory/3260-15-0x0000000007200000-0x000000000720A000-memory.dmp

Filesize
40KB

Download
memory/3260-16-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-17-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/3260-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3260-5-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3260-12-0x0000000007110000-0x0000000007160000-memory.dmp

Filesize
320KB

Download
memory/3260-7-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/3260-13-0x0000000007290000-0x000000000732C000-memory.dmp

Filesize
624KB

Download
memory/4068-24-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-22-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4068-20-0x00000000016D0000-0x00000000016D1000-memory.dmp

Filesize
4KB

Download
memory/4068-19-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads