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
behavioral2/memory/3128-6-0x0000000005030000-0x0000000005048000-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-1-5-21-1791582586-1997866593-3795608343-1000\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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchaselist_january2024.exe

description pid process target process

PID 3128 set thread context of 1208 3128 Purchaselist_january2024.exe Purchaselist_january2024.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Purchaselist_january2024.exe

pid process

1208 Purchaselist_january2024.exe
1208 Purchaselist_january2024.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Purchaselist_january2024.exe

description pid process

Token: SeDebugPrivilege 1208 Purchaselist_january2024.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Purchaselist_january2024.exe

pid process

1208 Purchaselist_january2024.exe

flow	ioc
10	api.ipify.org

description	pid	process	target process
PID 3128 set thread context of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe

pid	process
1208	Purchaselist_january2024.exe
1208	Purchaselist_january2024.exe

description	pid	process
Token: SeDebugPrivilege	1208	Purchaselist_january2024.exe

pid	process
1208	Purchaselist_january2024.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Purchaselist_january2024.exe

description	pid	process	target process
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	Purchaselist_january2024.exe	Purchaselist_january2024.exe
PID 3128 wrote to memory of 1208	3128	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:3128

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:1208

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchaselist_january2024.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1208-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1208-21-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1208-20-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1208-19-0x0000000006990000-0x00000000069E0000-memory.dmp

Filesize
320KB

Download
memory/1208-17-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1208-16-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1208-15-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/3128-5-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/3128-9-0x0000000002780000-0x00000000027FE000-memory.dmp

Filesize
504KB

Download
memory/3128-10-0x0000000007A40000-0x0000000007ADC000-memory.dmp

Filesize
624KB

Download
memory/3128-8-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/3128-7-0x0000000005450000-0x0000000005458000-memory.dmp

Filesize
32KB

Download
memory/3128-14-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3128-6-0x0000000005030000-0x0000000005048000-memory.dmp

Filesize
96KB

Download
memory/3128-1-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3128-4-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/3128-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/3128-2-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/3128-0-0x00000000003F0000-0x000000000049E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads