agenttesla | 457bd98aae7e7103720ef403309b9862ca33f4295b788e1c8ce374d4921cf057

General

Target

Promac S.A.220172615415415.DOC.exe
Size

819KB
MD5

39a33355e0b0db7354f1ee9fef4a9ae7
SHA1

e867d971ead2351ea107ccd61517e61d35492270
SHA256

d5bb4709c6337d475b6217f03b784cd6aaf1642cd103eb5bdfd53788bcf35417
SHA512

c3690927a9eefebfe71679b25467182555681daa88317ad4ad2f9b338da5d11ddc86703ebe6c9a502a97329974c8aa87c59c872b06e189ab4b683a3ebe624b89
SSDEEP

12288:wl78EN4iZwP2XNFzW5b7gTyhRBSe7Y003MiNOx+0t+8U+n911oap:wt8EN4EbXDzWtNnBLvONOk2391d

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.atelierzolotas.gr
Port:
21
Username:
[email protected]
Password:
alibaba.com

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 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3448 set thread context of 4024	3448	Promac S.A.220172615415415.DOC.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Promac S.A.220172615415415.DOC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Promac S.A.220172615415415.DOC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4024	Promac S.A.220172615415415.DOC.exe
4024	Promac S.A.220172615415415.DOC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	Promac S.A.220172615415415.DOC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91
PID 3448 wrote to memory of 4024	3448	Promac S.A.220172615415415.DOC.exe	91

C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe
"C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe
  "C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Promac S.A.220172615415415.DOC.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3448-10-0x0000000005630000-0x000000000563A000-memory.dmp

Filesize
40KB

Download
memory/3448-2-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/3448-3-0x0000000005350000-0x00000000053E2000-memory.dmp

Filesize
584KB

Download
memory/3448-4-0x0000000005300000-0x000000000530A000-memory.dmp

Filesize
40KB

Download
memory/3448-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-6-0x00000000055E0000-0x00000000055F0000-memory.dmp

Filesize
64KB

Download
memory/3448-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/3448-8-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/3448-9-0x0000000005620000-0x0000000005626000-memory.dmp

Filesize
24KB

Download
memory/3448-17-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-12-0x0000000009560000-0x00000000095FC000-memory.dmp

Filesize
624KB

Download
memory/3448-11-0x0000000006F40000-0x0000000006FDA000-memory.dmp

Filesize
616KB

Download
memory/3448-1-0x0000000000830000-0x0000000000902000-memory.dmp

Filesize
840KB

Download
memory/4024-16-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4024-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4024-18-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/4024-19-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4024-20-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/4024-21-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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