agenttesla | b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0

General

Target

b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
Size

754KB
MD5

f322e2b5229cb96503df2f12de0eb3f4
SHA1

c865d01a8c19765dd64ec996ccfdd54d3f21aa3d
SHA256

b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0
SHA512

348e60518cd4baca14a0f3eb8608be247fcaa87a8183cc16cf7140fc0a016a5c56c25b0ff4689cc1fbee4ab21b5399da39daf73dd07742188bf42790ef78680b
SSDEEP

12288:rGuhkZ5ee3acFuy9n2YxIy5cGju8e8J71Upgen16m+QXomPvOfCf:r/K/eWZFuonIicGVpe16QXomPvOfk

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.obynnehhhan.com
Port:
587
Username:
[email protected]
Password:
G$MUuYG3

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4216-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4216	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
4216	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103
PID 2520 wrote to memory of 4216	2520	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
"C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
  "C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4216

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2520-10-0x000000000A4F0000-0x000000000A58C000-memory.dmp

Filesize
624KB

Download
memory/2520-2-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/2520-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2520-4-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/2520-5-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/2520-6-0x00000000064A0000-0x00000000064BA000-memory.dmp

Filesize
104KB

Download
memory/2520-7-0x00000000064E0000-0x00000000064E8000-memory.dmp

Filesize
32KB

Download
memory/2520-8-0x0000000006500000-0x000000000650A000-memory.dmp

Filesize
40KB

Download
memory/2520-0-0x0000000000650000-0x0000000000712000-memory.dmp

Filesize
776KB

Download
memory/2520-9-0x0000000007DB0000-0x0000000007E26000-memory.dmp

Filesize
472KB

Download
memory/2520-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4216-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4216-14-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4216-15-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4216-17-0x00000000055E0000-0x00000000055F8000-memory.dmp

Filesize
96KB

Download
memory/4216-18-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/4216-19-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4216-20-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4216-21-0x0000000001430000-0x0000000001480000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing