agenttesla | 77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91

General

Target

04251452615625625.exe
Size

888KB
MD5

a390d1c199622b6608a8b40f77689bd7
SHA1

98d0cb5c4c4f00a1bebe826e60c65eef639a8dc7
SHA256

77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91
SHA512

90d309887bb857ac44e180e526b604977a5943275923934389752ae7044102a16151dedada29a35ad5bf6e63957b40c6043fe241966823d5b067c57b4db53638
SSDEEP

12288:W8obXVUqFOmJ5ZmQj6K2KrMH+JuZA1xBItlafFeIAGdw:hYVVDT7j6l41kcBIE

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1176621449583263805/5JKryEUiTfkpFgwR0jfx1lxhlHrdD27Aj8EDwTK5fF7OvWWBv_Qi0oMYi0fTpMW-lLTE

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

04251452615625625.exe

description pid process target process

PID 1332 set thread context of 1688 1332 04251452615625625.exe 04251452615625625.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4152 1688 WerFault.exe 04251452615625625.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

04251452615625625.exe

pid process

1688 04251452615625625.exe
1688 04251452615625625.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

04251452615625625.exe

description pid process

Token: SeDebugPrivilege 1688 04251452615625625.exe

description	pid	process	target process
PID 1332 set thread context of 1688	1332	04251452615625625.exe	04251452615625625.exe

pid	pid_target	process	target process
4152	1688	WerFault.exe	04251452615625625.exe

pid	process
1688	04251452615625625.exe
1688	04251452615625625.exe

description	pid	process
Token: SeDebugPrivilege	1688	04251452615625625.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

04251452615625625.exe

description	pid	process	target process
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe
PID 1332 wrote to memory of 1688	1332	04251452615625625.exe	04251452615625625.exe

C:\Users\Admin\AppData\Local\Temp\04251452615625625.exe
"C:\Users\Admin\AppData\Local\Temp\04251452615625625.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1332

C:\Users\Admin\AppData\Local\Temp\04251452615625625.exe
"C:\Users\Admin\AppData\Local\Temp\04251452615625625.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 2104
3⤵
- Program crash
PID:4152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1688 -ip 1688
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\04251452615625625.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1332-10-0x0000000006380000-0x00000000063FC000-memory.dmp

Filesize
496KB

Download
memory/1332-1-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1332-3-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/1332-4-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/1332-5-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/1332-6-0x0000000005370000-0x000000000540C000-memory.dmp

Filesize
624KB

Download
memory/1332-7-0x0000000005350000-0x0000000005362000-memory.dmp

Filesize
72KB

Download
memory/1332-11-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1332-9-0x0000000006320000-0x000000000632A000-memory.dmp

Filesize
40KB

Download
memory/1332-0-0x0000000000600000-0x00000000006E4000-memory.dmp

Filesize
912KB

Download
memory/1332-8-0x0000000006300000-0x0000000006308000-memory.dmp

Filesize
32KB

Download
memory/1332-12-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/1332-17-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1332-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/1688-16-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1688-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1688-18-0x0000000005930000-0x0000000005940000-memory.dmp

Filesize
64KB

Download
memory/1688-19-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/1688-20-0x00000000066B0000-0x0000000006700000-memory.dmp

Filesize
320KB

Download
memory/1688-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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