ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a

Analysis

max time kernel
91s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30-05-2024 20:36

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General

Target

ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
Size

1.1MB
MD5

5dba4c436b7e0583f72cbd00e30b23dc
SHA1

b426da46c0d7cc66b420f7bbc97071cee7d879e8
SHA256

ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a
SHA512

a8b512879b8d56196ca5a88956802d8e29b82a7123167bf244b377a3f169e3613b0e4ad55155ef9322e7100b42de929e86405a3cc56233c3b90b0f936c1e460d
SSDEEP

24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qu:acallSllG4ZM7QzMF

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 5 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	svchcst.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	WScript.exe

Deletes itself 1 IoCs

pid	Process
1920	svchcst.exe

Executes dropped EXE 3 IoCs

pid	Process
1920	svchcst.exe
4216	svchcst.exe
864	svchcst.exe

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

System Information Discovery
T1082

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings	svchcst.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe
1920	svchcst.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
1920	svchcst.exe
1920	svchcst.exe
4216	svchcst.exe
4216	svchcst.exe
864	svchcst.exe
864	svchcst.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 616	1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe	85
PID 1792 wrote to memory of 616	1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe	85
PID 1792 wrote to memory of 616	1792	ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe	85
PID 616 wrote to memory of 1920	616	WScript.exe	93
PID 616 wrote to memory of 1920	616	WScript.exe	93
PID 616 wrote to memory of 1920	616	WScript.exe	93
PID 1920 wrote to memory of 4812	1920	svchcst.exe	94
PID 1920 wrote to memory of 4812	1920	svchcst.exe	94
PID 1920 wrote to memory of 4812	1920	svchcst.exe	94
PID 1920 wrote to memory of 4040	1920	svchcst.exe	95
PID 1920 wrote to memory of 4040	1920	svchcst.exe	95
PID 1920 wrote to memory of 4040	1920	svchcst.exe	95
PID 4812 wrote to memory of 4216	4812	WScript.exe	98
PID 4812 wrote to memory of 4216	4812	WScript.exe	98
PID 4812 wrote to memory of 4216	4812	WScript.exe	98
PID 4040 wrote to memory of 864	4040	WScript.exe	99
PID 4040 wrote to memory of 864	4040	WScript.exe	99
PID 4040 wrote to memory of 864	4040	WScript.exe	99

C:\Users\Admin\AppData\Local\Temp\ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe
"C:\Users\Admin\AppData\Local\Temp\ec4eaa35ae6752aa92a75e24535e4c664f81fc4b30c27e514a15de22c8fb3b1a.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:616
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Checks computer location settings
    - Deletes itself
    - Executes dropped EXE
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      4⤵
      Checks computer location settings
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:4812
    - - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:4216
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      4⤵
      Checks computer location settings
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:4040
    - - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

Filesize
92B

MD5
67b9b3e2ded7086f393ebbc36c5e7bca

SHA1
e6299d0450b9a92a18cc23b5704a2b475652c790

SHA256
44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

SHA512
826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
67a6eafa5f0abe404b977c17756438b1

SHA1
fea5d91c4b32a78d527097a071ca01f5ea575baf

SHA256
c715a3e2a812c7139581a4662d02b9e277a5fc344b617f566493de7266e30f60

SHA512
cbeed76b6f88f7422d1312cb1b7f24df84af463230ed51eb7501388ff75d720b97547eb810790f3485f988f3326c234cc2694fea3a303fa977d9ef9c15aca9fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

Filesize
696B

MD5
0e6005a9dcb5a78d6fdd54527602f926

SHA1
90adc62e99f3c94c643596af0e17b5853b91fe1f

SHA256
847552b1ad30bd72f24acfe4afa5c326d3e79d7c2f147c958d72e92daca716da

SHA512
b4acfd81c1e926fcd305690aa3780bbec50460bcf947d17c20d6445faca4e774294b9da3a144207ccb3855e3ea2008a2d82ef691f32a4db6c7c3eb8202c6b568

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
1.1MB

MD5
1f3128fef5a3b706449e2ff76e87fc83

SHA1
2653ed6b8f23e84e92c27f06b7aa5c413cfd6919

SHA256
482d199262ec7058a38fe26f3a54e8ee7fd61e68724bd0a764523a6520ff9d85

SHA512
d3a0448fed8a3859043c49e4e189492eb98571132765ce8e8d90c12a6160acf1975d65d9c89108312b8a91bffdc42537dba3d61057e0cc8d3545a2c66b9b2d0b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
1.1MB

MD5
259a4e930fd6d50e4a1fe828f3397ca9

SHA1
5f8bc90a162aad4d68693d4662fbc9bb6272e6a8

SHA256
a81d292f84df82fae0be179d388765e5e1a489bba27080e4e8f043cd93846344

SHA512
2515a91633f78002444080bdccc93b97c70279dcb4b9f61cc821112909d2b247f8a22aefe8233e552b881fbee33d1c29e3773d48621ad99705f2da8f1fc6d127

Download Submit
memory/864-26-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/864-28-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/1792-0-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/1792-9-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/1920-22-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/4216-27-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download