agenttesla | f0a807ee5a09035670ebd38dd8dcb584f9af0f51f3ae072791f61db7766d6689

General

Target

23343100IM00270839_Dekont1.exe
Size

1.1MB
MD5

9d30f25b8c61a1736d7296f65b5ddba0
SHA1

6c5cf22f6f581e278109b7aa79af945835dcb490
SHA256

f0a807ee5a09035670ebd38dd8dcb584f9af0f51f3ae072791f61db7766d6689
SHA512

c87dc3b875758ce744ee2f6a57c8e859898bcca86bc47e5a357df1609ecf31cb709b52246ef019d69ee3a1b0ae12a98d9d132423fb0826b14408d73a766507a6
SSDEEP

24576:11bPKtD/61IyUiFBKL4eryD2Tfckv4B/:W6KyzBKLzbfczJ

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1180973542540595330/m_7J6uu_CMPrtrs2YMplijNrEiqTgPX6W-unyecPj4ZytCZyLySJdPC12_vkfdwQicTt

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:

23343100IM00270839_Dekont1.exe

description pid process target process

PID 3252 set thread context of 2724 3252 23343100IM00270839_Dekont1.exe 23343100IM00270839_Dekont1.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

740 2724 WerFault.exe 23343100IM00270839_Dekont1.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

23343100IM00270839_Dekont1.exe

pid process

2724 23343100IM00270839_Dekont1.exe
2724 23343100IM00270839_Dekont1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

23343100IM00270839_Dekont1.exe

description pid process

Token: SeDebugPrivilege 2724 23343100IM00270839_Dekont1.exe

description	pid	process	target process
PID 3252 set thread context of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe

pid	pid_target	process	target process
740	2724	WerFault.exe	23343100IM00270839_Dekont1.exe

pid	process
2724	23343100IM00270839_Dekont1.exe
2724	23343100IM00270839_Dekont1.exe

description	pid	process
Token: SeDebugPrivilege	2724	23343100IM00270839_Dekont1.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

23343100IM00270839_Dekont1.exe

description	pid	process	target process
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe
PID 3252 wrote to memory of 2724	3252	23343100IM00270839_Dekont1.exe	23343100IM00270839_Dekont1.exe

C:\Users\Admin\AppData\Local\Temp\23343100IM00270839_Dekont1.exe
"C:\Users\Admin\AppData\Local\Temp\23343100IM00270839_Dekont1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3252

C:\Users\Admin\AppData\Local\Temp\23343100IM00270839_Dekont1.exe
"C:\Users\Admin\AppData\Local\Temp\23343100IM00270839_Dekont1.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 1784
3⤵
- Program crash
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2724 -ip 2724
1⤵
PID:3460

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\23343100IM00270839_Dekont1.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2724-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-21-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-20-0x0000000005A50000-0x0000000005AA0000-memory.dmp

Filesize
320KB

Download
memory/2724-19-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/2724-17-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/2724-16-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-4-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/3252-6-0x00000000051D0000-0x00000000051E8000-memory.dmp

Filesize
96KB

Download
memory/3252-9-0x0000000006720000-0x000000000679C000-memory.dmp

Filesize
496KB

Download
memory/3252-10-0x0000000006350000-0x00000000063EC000-memory.dmp

Filesize
624KB

Download
memory/3252-11-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-12-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/3252-7-0x0000000005200000-0x0000000005208000-memory.dmp

Filesize
32KB

Download
memory/3252-8-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/3252-1-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/3252-18-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/3252-2-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/3252-0-0x00000000005B0000-0x00000000006C6000-memory.dmp

Filesize
1.1MB

Download

Analysis

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