agenttesla | 4e63cadd6aa91bc65755bd2b4035a3451cbc4854ed2817ac08941919f892f7e7

General

Target

b0a10bd27d48fea4e569797829057892.exe
Size

861KB
MD5

b0a10bd27d48fea4e569797829057892
SHA1

5909c3383e27a1c5e7edcadd5319b31d2813df12
SHA256

4e63cadd6aa91bc65755bd2b4035a3451cbc4854ed2817ac08941919f892f7e7
SHA512

76434b2b0731013ab311035f84986b9385ec2db89c178e74e7f7ec0987bbcfefebe4202756b50c922b30c5e69cc02c2bec4f92687b960cd299c5c4cb0521d290

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.airseaalliance.com
Port:
587
Username:
admin@airseaalliance.com
Password:
CIRcumFerted221

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3976-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3976-126-0x00000000004375DE-mapping.dmp	family_agenttesla

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
T1081
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
T1081
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
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

b0a10bd27d48fea4e569797829057892.exe

description pid process target process

PID 664 set thread context of 3976 664 b0a10bd27d48fea4e569797829057892.exe b0a10bd27d48fea4e569797829057892.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b0a10bd27d48fea4e569797829057892.exe

pid process

3976 b0a10bd27d48fea4e569797829057892.exe
3976 b0a10bd27d48fea4e569797829057892.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b0a10bd27d48fea4e569797829057892.exe

description pid process

Token: SeDebugPrivilege 3976 b0a10bd27d48fea4e569797829057892.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b0a10bd27d48fea4e569797829057892.exe

pid process

3976 b0a10bd27d48fea4e569797829057892.exe

description	pid	process	target process
PID 664 set thread context of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe

pid	process
3976	b0a10bd27d48fea4e569797829057892.exe
3976	b0a10bd27d48fea4e569797829057892.exe

description	pid	process
Token: SeDebugPrivilege	3976	b0a10bd27d48fea4e569797829057892.exe

pid	process
3976	b0a10bd27d48fea4e569797829057892.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b0a10bd27d48fea4e569797829057892.exe

description	pid	process	target process
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe
PID 664 wrote to memory of 3976	664	b0a10bd27d48fea4e569797829057892.exe	b0a10bd27d48fea4e569797829057892.exe

C:\Users\Admin\AppData\Local\Temp\b0a10bd27d48fea4e569797829057892.exe
"C:\Users\Admin\AppData\Local\Temp\b0a10bd27d48fea4e569797829057892.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\b0a10bd27d48fea4e569797829057892.exe
"C:\Users\Admin\AppData\Local\Temp\b0a10bd27d48fea4e569797829057892.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3976

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b0a10bd27d48fea4e569797829057892.exe.log
MD5
6521ad4e3d4f1d043ebbd5765b69e211

SHA1
4bf0fff43dc33bd2c91a470b25827432dff92d8b

SHA256
5f8b317795f3079b968a3c2d0f722cba21ae79a1373b484781e3f95aed22afd6

SHA512
389d1fee037e437e0f1c5e90772edf93be774f435061ba18543d34b7753239dd9ce828f6627ba43cfad690c8c84263e86d1f88e94cbff3615fa58f359178a74d

Download Submit
memory/664-119-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/664-124-0x0000000008E80000-0x0000000008EBC000-memory.dmp

Filesize
240KB

Download
memory/664-118-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/664-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/664-120-0x00000000088E0000-0x00000000088E1000-memory.dmp

Filesize
4KB

Download
memory/664-121-0x0000000005520000-0x0000000005527000-memory.dmp

Filesize
28KB

Download
memory/664-117-0x0000000005370000-0x0000000005371000-memory.dmp

Filesize
4KB

Download
memory/664-123-0x0000000008E10000-0x0000000008E79000-memory.dmp

Filesize
420KB

Download
memory/664-122-0x0000000008F60000-0x0000000008F61000-memory.dmp

Filesize
4KB

Download
memory/664-116-0x0000000005870000-0x0000000005871000-memory.dmp

Filesize
4KB

Download
memory/3976-126-0x00000000004375DE-mapping.dmp

Download
memory/3976-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3976-132-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/3976-133-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/3976-134-0x0000000005EA0000-0x0000000005EA1000-memory.dmp

Filesize
4KB

Download

Analysis

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