afaeaeaf6c92fea88f20d826a28a0f2bb0124146c91b1f7877de4b89c4133b8f

Analysis

max time kernel
134s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 06:16

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General

Target

update_task.vbs
Size

630B
MD5

bfe9fe92e21ce31902de4ae152744674
SHA1

70ea30e26fd362dbb24c43a7bbc0d54bc00a6863
SHA256

afaeaeaf6c92fea88f20d826a28a0f2bb0124146c91b1f7877de4b89c4133b8f
SHA512

09120e6221f23573690760ce00696e7f21f0f6abed5d75fe4e08e0787efb96b7877b083538315f9e2c9087e189e92c8c98a0d516bfbe7aa1381347cc86cf0190

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-1181767204-2009306918-3718769404-1000\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 use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 464	2528	WScript.exe	91
PID 2528 wrote to memory of 464	2528	WScript.exe	91
PID 2528 wrote to memory of 4008	2528	WScript.exe	93
PID 2528 wrote to memory of 4008	2528	WScript.exe	93
PID 2528 wrote to memory of 4644	2528	WScript.exe	95
PID 2528 wrote to memory of 4644	2528	WScript.exe	95
PID 2528 wrote to memory of 4608	2528	WScript.exe	97
PID 2528 wrote to memory of 4608	2528	WScript.exe	97
PID 2528 wrote to memory of 4080	2528	WScript.exe	99
PID 2528 wrote to memory of 4080	2528	WScript.exe	99

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4008	attrib.exe
4608	attrib.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\update_task.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\System32\certutil.exe
  "C:\Windows\System32\certutil.exe" -decode .\e.txt .\PasswordSlip.exe
  2⤵
  PID:464
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +h .\PasswordSlip.exe
  2⤵
  - Views/modifies file attributes
  PID:4008
- C:\Windows\System32\expand.exe
  "C:\Windows\System32\expand.exe" C:\Windows\System32\notepad.exe .
  2⤵
  PID:4644
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +h .\notepad.exe
  2⤵
  - Views/modifies file attributes
  PID:4608
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p . /m notepad.exe /c .\PasswordSlip.exe
  2⤵
  PID:4080

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4076,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=1276 /prefetch:8
1⤵
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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\notepad.exe

Filesize
207KB

MD5
1c1760ed4d19cdbecb2398216922628b

SHA1
66b6158b28cc2b970e454b6a8cf1824dd99e4029

SHA256
d66458a3eb1b68715b552b3af32a9d2e889bbf8ac0c23c1afa8d0982023d1ce2

SHA512
f058eda0c65e59105a7c794721697782f1e1db759c69a11dab09ca454aa89767addcc8ecefa54995527bc2cae983e44c9ed42b0973fdb47435b31428150b96db

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