f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2023, 08:35

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General

Target

f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
Size

1.1MB
MD5

33be0eddd39568cdf56604347bcc7c86
SHA1

13360cd482e89e8bd26acad2c52658c9c0d5cc66
SHA256

f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05
SHA512

f36bcccbb8cac492174e3afe7b4e6ddb95e33ecc20e394bd4b12d45485ac4a55fb2fdbafafc599679ee7446cb51f9f4d455f7c24f8e840cbb65e9b5305696661
SSDEEP

24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5Qg:CcaClSFlG4ZM7QzMH

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 4 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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 3 IoCs

pid	Process
3264	svchcst.exe
3948	svchcst.exe
1308	svchcst.exe

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

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000_Classes\Local Settings	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.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\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
3948	svchcst.exe
3264	svchcst.exe
3264	svchcst.exe
3948	svchcst.exe
1308	svchcst.exe
1308	svchcst.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 2056	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	86
PID 4604 wrote to memory of 2056	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	86
PID 4604 wrote to memory of 2056	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	86
PID 4604 wrote to memory of 1860	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	87
PID 4604 wrote to memory of 1860	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	87
PID 4604 wrote to memory of 1860	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	87
PID 4604 wrote to memory of 4376	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	88
PID 4604 wrote to memory of 4376	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	88
PID 4604 wrote to memory of 4376	4604	f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe	88
PID 2056 wrote to memory of 3264	2056	WScript.exe	93
PID 2056 wrote to memory of 3264	2056	WScript.exe	93
PID 2056 wrote to memory of 3264	2056	WScript.exe	93
PID 4376 wrote to memory of 3948	4376	WScript.exe	92
PID 4376 wrote to memory of 3948	4376	WScript.exe	92
PID 4376 wrote to memory of 3948	4376	WScript.exe	92
PID 1860 wrote to memory of 1308	1860	WScript.exe	94
PID 1860 wrote to memory of 1308	1860	WScript.exe	94
PID 1860 wrote to memory of 1308	1860	WScript.exe	94

C:\Users\Admin\AppData\Local\Temp\f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe
"C:\Users\Admin\AppData\Local\Temp\f81fc9932396dc9a4ebe06e2841986e235880178375a55f8e2202454646c0d05.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4604
- 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:2056
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:3264
- 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:1860
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:1308
- 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:4376
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3948

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\VBS3.vbs

Filesize
753B

MD5
48a722a43674f675637a58771d026a7f

SHA1
7045ac06fac83c49bc8dd8e9e9de6b4d82d892c0

SHA256
e30846ec9927e964ee072a031f625db4fae90222c230f118f4091e40e204e9f6

SHA512
bdb27d536cbc5ea7d69cb40e08784d055ac5201749cd414a1848ab05f2639c719f8825023c6e14f00e7234619cd7faf8cf82329baf462df180b0af6a48b0b1ce

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

Filesize
753B

MD5
48a722a43674f675637a58771d026a7f

SHA1
7045ac06fac83c49bc8dd8e9e9de6b4d82d892c0

SHA256
e30846ec9927e964ee072a031f625db4fae90222c230f118f4091e40e204e9f6

SHA512
bdb27d536cbc5ea7d69cb40e08784d055ac5201749cd414a1848ab05f2639c719f8825023c6e14f00e7234619cd7faf8cf82329baf462df180b0af6a48b0b1ce

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

Filesize
1.1MB

MD5
aa34ffa7152b96fcef9d876b28facc91

SHA1
a6995d736b022470b341825dba3c109a2af58683

SHA256
8526c9c0351ec500447815c890c8bf29a773283aad09854af631b89db3e41ca9

SHA512
5fef8ff35e5b58eb91b1ee5b5307e6baef23e9c3e39a1638217bc32c0ecb4a002a09f1d8feb335572b75160006e505c383776e0862d3cf4592757e99b5a0f278

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

Filesize
1.1MB

MD5
aa34ffa7152b96fcef9d876b28facc91

SHA1
a6995d736b022470b341825dba3c109a2af58683

SHA256
8526c9c0351ec500447815c890c8bf29a773283aad09854af631b89db3e41ca9

SHA512
5fef8ff35e5b58eb91b1ee5b5307e6baef23e9c3e39a1638217bc32c0ecb4a002a09f1d8feb335572b75160006e505c383776e0862d3cf4592757e99b5a0f278

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

Filesize
1.1MB

MD5
aa34ffa7152b96fcef9d876b28facc91

SHA1
a6995d736b022470b341825dba3c109a2af58683

SHA256
8526c9c0351ec500447815c890c8bf29a773283aad09854af631b89db3e41ca9

SHA512
5fef8ff35e5b58eb91b1ee5b5307e6baef23e9c3e39a1638217bc32c0ecb4a002a09f1d8feb335572b75160006e505c383776e0862d3cf4592757e99b5a0f278

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

Filesize
1.1MB

MD5
aa34ffa7152b96fcef9d876b28facc91

SHA1
a6995d736b022470b341825dba3c109a2af58683

SHA256
8526c9c0351ec500447815c890c8bf29a773283aad09854af631b89db3e41ca9

SHA512
5fef8ff35e5b58eb91b1ee5b5307e6baef23e9c3e39a1638217bc32c0ecb4a002a09f1d8feb335572b75160006e505c383776e0862d3cf4592757e99b5a0f278

Download Submit