agenttesla | f62b083d49a16d5c3c8cc5c84d5f2d0494abbece160fc8b642a957728e7a2a4d

General

Target

Purchaselist_january2024.exe
Size

673KB
MD5

b61753a6ba84f4688875f9c07d039604
SHA1

e22f5af6b9fbbd7c8a054959f15cd37de2eda8c0
SHA256

d92da33493917017ff937789890dfacd02c22671abd9ea8c196ea9dfd90f3a72
SHA512

7b916fa10ed2e4214f6853086b319d9408d7470fd4d1a119de171f7e31193383d76432b529c456227cc3f5e07aafb30db6ac89885c515462eeb7f86f5066b700
SSDEEP

12288:e1G+4WpAEvy9i9cHpLoKY0otrztmzsw61l3sg1+YOoTOanF+:IpAE79Sop0ot9mQwmlT+YOoSa

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6631345683:AAG0KAitVqlRPe3J9NARhlF8IRjRjuxDyK8/

Signatures

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

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1744-3-0x00000000004E0000-0x00000000004F8000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Purchaselist_january2024.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000\Software\Microsoft\Windows\CurrentVersion\Run\gPBva = "C:\\Users\\Admin\\AppData\\Roaming\\gPBva\\gPBva.exe"	Purchaselist_january2024.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 ip-api.com
2 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchaselist_january2024.exe

description pid process target process

PID 1744 set thread context of 2184 1744 Purchaselist_january2024.exe Purchaselist_january2024.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Purchaselist_january2024.exe

pid process

2184 Purchaselist_january2024.exe
2184 Purchaselist_january2024.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Purchaselist_january2024.exe

description pid process

Token: SeDebugPrivilege 2184 Purchaselist_january2024.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Purchaselist_january2024.exe

pid process

2184 Purchaselist_january2024.exe

flow	ioc
5	ip-api.com
2	api.ipify.org

description	pid	process	target process
PID 1744 set thread context of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe

pid	process
2184	Purchaselist_january2024.exe
2184	Purchaselist_january2024.exe

description	pid	process
Token: SeDebugPrivilege	2184	Purchaselist_january2024.exe

pid	process
2184	Purchaselist_january2024.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Purchaselist_january2024.exe

description	pid	process	target process
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 1744 wrote to memory of 2184	1744	Purchaselist_january2024.exe	Purchaselist_january2024.exe

C:\Users\Admin\AppData\Local\Temp\Purchaselist_january2024.exe
"C:\Users\Admin\AppData\Local\Temp\Purchaselist_january2024.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744

C:\Users\Admin\AppData\Local\Temp\Purchaselist_january2024.exe
"C:\Users\Admin\AppData\Local\Temp\Purchaselist_january2024.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2184

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

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1744-1-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/1744-0-0x0000000001180000-0x000000000122E000-memory.dmp

Filesize
696KB

Download
memory/1744-2-0x0000000004E60000-0x0000000004EA0000-memory.dmp

Filesize
256KB

Download
memory/1744-3-0x00000000004E0000-0x00000000004F8000-memory.dmp

Filesize
96KB

Download
memory/1744-4-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/1744-5-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/1744-6-0x00000000009F0000-0x0000000000A6E000-memory.dmp

Filesize
504KB

Download
memory/1744-21-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2184-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2184-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2184-23-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2184-24-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2184-25-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2184-26-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads