agenttesla | 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b

General

Target

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Size

688KB
MD5

21a2ca225f66a6e0c61280bb5aa4e93e
SHA1

51530ba354cfe93f393f953049309b9eaf4244e0
SHA256

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b
SHA512

a70f29a1dff09ca29f7f6bc2e06c2c0c82cfb78bd9fccd080cad9813cdbd5eb3051ca56b5ab80e21c9bc0a476d6173fcb12250be1d202f2b69ee1f1468670962
SSDEEP

12288:iCpvJYIXIb7Ta0A4ZHDWCTEY2yIotj9D49m1WYX7F+tLZurYvDWE3:RvJ1InIgHKaE7yIV9m84FSLZ8kH

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1158669333552169031/JDVIUrIPRDFArhYLJtuVY40DaK1KV7rtH9wZuJWWynu212vmqEwNYKJHXzbfaOWZBsRP

Signatures

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

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\InternetExlorerUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\InternetExlorerUpdate\\InternetExlorerUpdate.exe"	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process	target process
PID 2924 set thread context of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

pid	process
2836	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
2836	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description pid process

Token: SeDebugPrivilege 2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

pid process

2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process
Token: SeDebugPrivilege	2836	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process	target process
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 2924 wrote to memory of 2836	2924	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924

C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2836

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB533.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2836-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-63-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2836-62-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-22-0x0000000000720000-0x0000000000760000-memory.dmp

Filesize
256KB

Download
memory/2836-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-21-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2836-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2924-18-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-0-0x0000000000AE0000-0x0000000000B92000-memory.dmp

Filesize
712KB

Download
memory/2924-3-0x0000000000960000-0x0000000000976000-memory.dmp

Filesize
88KB

Download
memory/2924-6-0x0000000004FB0000-0x000000000502E000-memory.dmp

Filesize
504KB

Download
memory/2924-2-0x00000000009F0000-0x0000000000A30000-memory.dmp

Filesize
256KB

Download
memory/2924-1-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-5-0x00000000009A0000-0x00000000009AA000-memory.dmp

Filesize
40KB

Download
memory/2924-4-0x0000000000990000-0x0000000000998000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads