agenttesla | 3675bf5a3850c101b8301a8d604b75d63ccdf1905ec5936ee392a84990578e98

General

Target

2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
Size

379KB
MD5

bbfcb16a3d79f16ffbabf5f9d7565a54
SHA1

cbdb52baeb017f54e9881183ec64a06cd6cf8f20
SHA256

2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d
SHA512

4fc47f0903e3faf8643e7a6190a3e52dd34230d085566f1560d0d35392648abda3fda9b11cf07e6c7cbfc75a5b58fdc6851bc01103891ca680d6d79fbfd4a611
SSDEEP

6144:ZYa6MXn2ASUvLOGw7G870PQwDJDv5cvDHrh2QJl4Uz0Vzy0vvyYiby6I+dugiq:ZYenpCb0fHArDJlWGEOxIID

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows\CurrentVersion\Run\lqajfotdy = "C:\\Users\\Admin\\AppData\\Roaming\\kpyuenir\\bwgc.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2356897255a0d7458b3cb9e363426abb9aac3034190c84"	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows\CurrentVersion\Run\OpWIH = "C:\\Users\\Admin\\AppData\\Roaming\\OpWIH\\OpWIH.exe"	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1912	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
1912	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28
PID 2204 wrote to memory of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28
PID 2204 wrote to memory of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28
PID 2204 wrote to memory of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28
PID 2204 wrote to memory of 1912	2204	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe

C:\Users\Admin\AppData\Local\Temp\2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
"C:\Users\Admin\AppData\Local\Temp\2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe
  "C:\Users\Admin\AppData\Local\Temp\2356897255a0d7458b3cb9e363426abb9aac3034190c84dcff987adcc0c3a41d.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsz2649.tmp\elxqwsclv.dll

Filesize
255KB

MD5
477062dfa830752b838ac47d66963354

SHA1
6a38a3712123c83a1857350908a0a77b7ca29420

SHA256
0ffd31e8d1743d9efba6f7cc93ee78f70c6a17105b6146920d2c043d9546f695

SHA512
eb156ba1e24af3343df2d1d02ab74a87ba9f58c7be42598dd17e138d48bf7f037b2c3ec2025996c4a82c599d0e2cdf53cc9fbc447f236ca93db8a7d0584fe550

Download Submit
memory/1912-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1912-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1912-65-0x0000000004440000-0x0000000004470000-memory.dmp

Filesize
192KB

Download
memory/1912-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1912-67-0x00000000044F0000-0x0000000004530000-memory.dmp

Filesize
256KB

Download

Analysis

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