agenttesla | 935a2843dc01d80582184dd6aa77fc2f4c99aaeb48b9dfef6a1e1df2e927feda

Analysis

max time kernel
78s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2023, 13:10

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General

Target
8b993b8b9a340d7ba9b2377170310bc1.exe
Size 568KB
Sample230412-qedfhace42
SHA256 935a2843dc01d80582184dd6aa77fc2f4c99aaeb48b9dfef6a1e1df2e927feda
MD5 8b993b8b9a340d7ba9b2377170310bc1
SHA1 3d92f8159c4c1b9da5ce5e9db5534f46d8d7fc4d
SHA512 c7742451fe28693a5822fb891cb44148837c096a1500013df791c3ad1bb5f30007a52f1d1125980d7e06c4b41cc36ce692fdc04304de4b9dda5f9b81dd9f4f91
SSDEEP 12288:vYUaGL6htCBFk/pGTq/sm+x40IPCJrA1OTAZ826FFmDoy5j44:wUaGL2oBk/sNaO72cLyL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
qbkcioyfoxstxqax
Email to
[email protected]

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
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8b993b8b9a340d7ba9b2377170310bc1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8b993b8b9a340d7ba9b2377170310bc1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8b993b8b9a340d7ba9b2377170310bc1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2192	8b993b8b9a340d7ba9b2377170310bc1.exe
2192	8b993b8b9a340d7ba9b2377170310bc1.exe
2192	8b993b8b9a340d7ba9b2377170310bc1.exe
2192	8b993b8b9a340d7ba9b2377170310bc1.exe
2192	8b993b8b9a340d7ba9b2377170310bc1.exe
2192	8b993b8b9a340d7ba9b2377170310bc1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	8b993b8b9a340d7ba9b2377170310bc1.exe
Token: SeDebugPrivilege	544	8b993b8b9a340d7ba9b2377170310bc1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
544	8b993b8b9a340d7ba9b2377170310bc1.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 3636	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	91
PID 2192 wrote to memory of 3636	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	91
PID 2192 wrote to memory of 3636	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	91
PID 2192 wrote to memory of 3284	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	92
PID 2192 wrote to memory of 3284	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	92
PID 2192 wrote to memory of 3284	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	92
PID 2192 wrote to memory of 4120	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	93
PID 2192 wrote to memory of 4120	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	93
PID 2192 wrote to memory of 4120	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	93
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94
PID 2192 wrote to memory of 544	2192	8b993b8b9a340d7ba9b2377170310bc1.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8b993b8b9a340d7ba9b2377170310bc1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8b993b8b9a340d7ba9b2377170310bc1.exe

C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe
"C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe
  "C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe"
  2⤵
  PID:3636
- C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe
  "C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe"
  2⤵
  PID:3284
- C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe
  "C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe"
  2⤵
  PID:4120
- C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe
  "C:\Users\Admin\AppData\Local\Temp\8b993b8b9a340d7ba9b2377170310bc1.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

8b993b8b9a340d7ba9b2377170310bc1.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8b993b8b9a340d7ba9b2377170310bc1.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/544-140-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/544-146-0x0000000004D70000-0x0000000004D80000-memory.dmp

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memory/544-145-0x00000000061F0000-0x0000000006240000-memory.dmp

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memory/544-144-0x0000000004D70000-0x0000000004D80000-memory.dmp

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memory/544-143-0x0000000004DF0000-0x0000000004E56000-memory.dmp

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memory/2192-136-0x00000000052A0000-0x00000000052AA000-memory.dmp

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memory/2192-139-0x0000000007310000-0x00000000073AC000-memory.dmp

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memory/2192-138-0x0000000005540000-0x0000000005550000-memory.dmp

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memory/2192-137-0x0000000005540000-0x0000000005550000-memory.dmp

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memory/2192-133-0x0000000000950000-0x00000000009E4000-memory.dmp

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memory/2192-135-0x00000000052F0000-0x0000000005382000-memory.dmp

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memory/2192-134-0x0000000005800000-0x0000000005DA4000-memory.dmp

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