agenttesla | f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd

Analysis

max time kernel
47s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/02/2023, 14:06

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General

Target
f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe
Size 319KB
Sample230206-rewshshe4y
SHA256 f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd
MD5 0494a68d7135560a50c02f4c4b6ad18f
SHA1 84338aa1637299d93358f0e1d842932358d07093
SHA512 f5b5af135ee9b69a9e9ec740cd8d2cdac082b8dcc0a7cb81168076f849632c7423c845e998dd7c77b164bba2f08fadd434adae280aa8717f19baac359c7601bd
SSDEEP 6144:vYa6nfiMr0Cxya0QuwyhA0AUZOE7Zj50ZUonaM4O2im59x+skSCR0/rEOh:vY9FyavQA4wE7Zj5dyaM4O2im59L/CRY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1060497255888605185/YygDHRiwYqCp3BheuMa5Zliz-2yRI2G-aeR8nFUp8XCSIhCp4S0uU66B1TLkMA0rIykw

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1788	hjjwqn.exe
112	hjjwqn.exe

Loads dropped DLL 2 IoCs

pid	Process
1224	f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe
1788	hjjwqn.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hjjwqn.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hjjwqn.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hjjwqn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 112	1788	hjjwqn.exe	28

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1788	hjjwqn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	112	hjjwqn.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1788	1224	f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe	27
PID 1224 wrote to memory of 1788	1224	f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe	27
PID 1224 wrote to memory of 1788	1224	f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe	27
PID 1224 wrote to memory of 1788	1224	f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe	27
PID 1788 wrote to memory of 112	1788	hjjwqn.exe	28
PID 1788 wrote to memory of 112	1788	hjjwqn.exe	28
PID 1788 wrote to memory of 112	1788	hjjwqn.exe	28
PID 1788 wrote to memory of 112	1788	hjjwqn.exe	28
PID 1788 wrote to memory of 112	1788	hjjwqn.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hjjwqn.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hjjwqn.exe

C:\Users\Admin\AppData\Local\Temp\f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe
"C:\Users\Admin\AppData\Local\Temp\f1c0ce5d37364862798e7e11817f3544d72847e1bffd46723f51df8504796afd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe
  "C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe" C:\Users\Admin\AppData\Local\Temp\waihmj.r
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe
    "C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

doqfqwz.oh

Path C:\Users\Admin\AppData\Local\Temp\doqfqwz.oh
Size 263KB
SHA256 5b817d0432465d5d920b2f2f70b1875520b119e1c9e42ab5f8f8ad790ed4c97c
MD5 8fd572cbcc8e06be860c0121ee1fb117
SHA1 faac36076051a80cb149d2acb5648649f5fa8adf
SHA512 dbc5decddc9bfb5bc4bc4fabb11b2065be760d0c365c1f6bfb9fa861c4b0e6df8bf31671680c9b2df2f5874a304c9905f6e2454ccf5f5792afa10c2ff01f1cec
SSDEEP 6144:snQX7p7gT1B9d7fK8NPWWsNp4TNATKisR2Kgh5qNwn:sC7gZR7msKTNsMKk5q8
MD5 SHA1 SHA512 SSDEEP

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hjjwqn.exe

Path C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe
Size 113KB
SHA256 fc93722b90c2d7e5db10ba6ffbe0fbde8ab900e930506685dbc2783d4af174d3
MD5 a6371e1b2d2971c563f90f6c38f2520c
SHA1 4f0fee5d49724919b8d5b8b6d3e815294ee05376
SHA512 f7f4f2f2f0a925f0dd2179f7ad29e4131b6018a40eb345c1fd97f5730e82d7ff56ff691b100dc80152b0c73d96644cc58562056e18e4b5394a7bf83b7b7e78da
SSDEEP 3072:B4MLKLilGbDYkI0F7AQIZkI9+HJa6OIpHl9f/4bjIY:BWWlGNItkVa2Z
MD5 SHA1 SHA512 SSDEEP

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hjjwqn.exe

Path C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe
Size 113KB
SHA256 fc93722b90c2d7e5db10ba6ffbe0fbde8ab900e930506685dbc2783d4af174d3
MD5 a6371e1b2d2971c563f90f6c38f2520c
SHA1 4f0fee5d49724919b8d5b8b6d3e815294ee05376
SHA512 f7f4f2f2f0a925f0dd2179f7ad29e4131b6018a40eb345c1fd97f5730e82d7ff56ff691b100dc80152b0c73d96644cc58562056e18e4b5394a7bf83b7b7e78da
SSDEEP 3072:B4MLKLilGbDYkI0F7AQIZkI9+HJa6OIpHl9f/4bjIY:BWWlGNItkVa2Z
MD5 SHA1 SHA512 SSDEEP

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hjjwqn.exe

Path C:\Users\Admin\AppData\Local\Temp\hjjwqn.exe
Size 113KB
SHA256 fc93722b90c2d7e5db10ba6ffbe0fbde8ab900e930506685dbc2783d4af174d3
MD5 a6371e1b2d2971c563f90f6c38f2520c
SHA1 4f0fee5d49724919b8d5b8b6d3e815294ee05376
SHA512 f7f4f2f2f0a925f0dd2179f7ad29e4131b6018a40eb345c1fd97f5730e82d7ff56ff691b100dc80152b0c73d96644cc58562056e18e4b5394a7bf83b7b7e78da
SSDEEP 3072:B4MLKLilGbDYkI0F7AQIZkI9+HJa6OIpHl9f/4bjIY:BWWlGNItkVa2Z
MD5 SHA1 SHA512 SSDEEP

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waihmj.r

Path C:\Users\Admin\AppData\Local\Temp\waihmj.r
Size 5KB
SHA256 27e8b1e3c8b66ddeaee627e90f2754a86d4897a508d64e4bd752c7bcc5918f20
MD5 4324d64f050398e45f3bfe6c2ec32e97
SHA1 2af7fd4d3e843163e28f9397f078e2f2380a0e16
SHA512 e78eabaf61529010e5c52f19974eecf6d3b504fbaf26081119263cc0c48b8ae0fdb3f485a9ad13f8ea1f01e931ab10522d0c54ad9545afa9abd4db96ea69b101
SSDEEP 96:Farc6oYROg/DrYuPok2XO5oSwYAy1Vmntvxkf3VtKmYDaPC7SAaPhqwHngNyQXzR:FarcRonohX1S9AMEzkfltKmYuPuwpF0d
MD5 SHA1 SHA512 SSDEEP

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hjjwqn.exe

Path \Users\Admin\AppData\Local\Temp\hjjwqn.exe
Size 113KB
SHA256 fc93722b90c2d7e5db10ba6ffbe0fbde8ab900e930506685dbc2783d4af174d3
MD5 a6371e1b2d2971c563f90f6c38f2520c
SHA1 4f0fee5d49724919b8d5b8b6d3e815294ee05376
SHA512 f7f4f2f2f0a925f0dd2179f7ad29e4131b6018a40eb345c1fd97f5730e82d7ff56ff691b100dc80152b0c73d96644cc58562056e18e4b5394a7bf83b7b7e78da
SSDEEP 3072:B4MLKLilGbDYkI0F7AQIZkI9+HJa6OIpHl9f/4bjIY:BWWlGNItkVa2Z
MD5 SHA1 SHA512 SSDEEP

Submit Download

hjjwqn.exe

Path \Users\Admin\AppData\Local\Temp\hjjwqn.exe
Size 113KB
SHA256 fc93722b90c2d7e5db10ba6ffbe0fbde8ab900e930506685dbc2783d4af174d3
MD5 a6371e1b2d2971c563f90f6c38f2520c
SHA1 4f0fee5d49724919b8d5b8b6d3e815294ee05376
SHA512 f7f4f2f2f0a925f0dd2179f7ad29e4131b6018a40eb345c1fd97f5730e82d7ff56ff691b100dc80152b0c73d96644cc58562056e18e4b5394a7bf83b7b7e78da
SSDEEP 3072:B4MLKLilGbDYkI0F7AQIZkI9+HJa6OIpHl9f/4bjIY:BWWlGNItkVa2Z
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/112-66-0x0000000000490000-0x00000000004C0000-memory.dmp

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memory/112-67-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/1224-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads