Analysis
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max time kernel
1793s -
max time network
1139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
10-10-2024 03:24
General
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Target
Bootstrapper_V1.22.exe
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Size
2.8MB
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MD5
683ac286394c119539b3c7c2af6474f1
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SHA1
13b442ad04c3afb0fc3c49b3cda5c15e05e0af47
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SHA256
a4d4485ba8aeaff121b500fbe29d597228521b2613b82f072ffe924119f91faa
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SHA512
b6282aeeb7000b3c41621f823b07b204d77e685f6ff8d650386422f27f8b09c2eaaaf97cf84be2b31189fb45cdce7db3f54b66470ce25afa7222ecfe0e3595e5
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SSDEEP
49152:Osnd9LIpizPyJgj+GM7CR+5J3oFNBdYL80fWOjB+7/k/2QK13FJA9utkul+hwPD:OEd9kcPyel5snoFNYL8YbI7y2313wN/
Malware Config
Extracted
stealc
7140196255
http://178.63.215.77
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url_path
/031d77089be01fd8.php
Signatures
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Stealc
Stealc is an infostealer written in C++.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper_V1.22.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper_V1.22.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command " Add-MpPreference -ExclusionPath 'C:\Solara' Add-MpPreference -ExclusionPath 'C:\Users\Public\Desktop' Add-MpPreference -ExclusionPath 'C:\Users' "2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Solara\SecondFile.exe"C:\Solara\SecondFile.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
307KB
MD562f90cd0cb366fa5daa8aafcdcd16235
SHA157fd35c5ba228b3b9127dc42ce3c9db3a8848ea9
SHA256c5307c86c06edb2d3aa14c90563cb59ef865ebbe1eae6a4e2d78db35dfdd79e0
SHA5122b9661e8a02846fe00cd1ede37e96ae56bad04b8943d714beaa3b6e7548121412a14260805863fa61a9bf13bd8378af8d5eca657464b2c3b82eb5c8e5e14f8d2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
120KB
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Filesize
80KB
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Filesize
32KB
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Filesize
104KB
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Filesize
304KB
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Filesize
56KB
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Filesize
68KB
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Filesize
600KB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
136KB
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Filesize
200KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
3.3MB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
408KB
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Filesize
7.7MB
-
Filesize
304KB
-
Filesize
120KB
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Filesize
7.7MB
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Filesize
652KB
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Filesize
6.5MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
32KB
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Filesize
2.8MB
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Filesize
224KB
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Filesize
56KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
2.4MB
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Filesize
2.4MB