4fbf18b6a18e36a57ef07e398330495fae45e7ecea2f7b1ba4d5bc1c10e87146

Analysis

max time kernel
138s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:35

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General

Target

79535538c605b530668cd9e15304ac79.exe
Size

296KB
MD5

79535538c605b530668cd9e15304ac79
SHA1

0fa9798e0aa00cbdfcf436bd6b3f95c4d664e6d1
SHA256

4fbf18b6a18e36a57ef07e398330495fae45e7ecea2f7b1ba4d5bc1c10e87146
SHA512

b231500a2161372c17dfcd1247195bdcc262f4dbecfd236f462a6cf519e392d26f33487c57957e58b3fd18a0f320dd2c86259bec384ea140edaa102f17930d59
SSDEEP

3072:qePgCctxGv4QcU9KQ2BBA2waPxhtmolHbjRYM5p:OCctxGsWKQ2Bx5xvjHF

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	79535538c605b530668cd9e15304ac79.exe

Executes dropped EXE 1 IoCs

pid	Process
64	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\cf7c6811\jusched.exe	79535538c605b530668cd9e15304ac79.exe
File created	C:\Program Files (x86)\cf7c6811\cf7c6811	79535538c605b530668cd9e15304ac79.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	79535538c605b530668cd9e15304ac79.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 64	4504	79535538c605b530668cd9e15304ac79.exe	94
PID 4504 wrote to memory of 64	4504	79535538c605b530668cd9e15304ac79.exe	94
PID 4504 wrote to memory of 64	4504	79535538c605b530668cd9e15304ac79.exe	94

C:\Users\Admin\AppData\Local\Temp\79535538c605b530668cd9e15304ac79.exe
"C:\Users\Admin\AppData\Local\Temp\79535538c605b530668cd9e15304ac79.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Program Files (x86)\cf7c6811\jusched.exe
  "C:\Program Files (x86)\cf7c6811\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:64

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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:\Program Files (x86)\cf7c6811\cf7c6811

Filesize
17B

MD5
552bb86ed2797d3fd12ac0d273afaf75

SHA1
6e8633f9c24590779acbd3dd14c60f856320bc0a

SHA256
3ef9ff5da8272fd1b14c83f12c8d28fd9dbf32d56bcb714921032b02557fe789

SHA512
dab57227de02f4667cc8e2ec47566088b473caa0387caffbdfde37f3400da7d4f67dd222e83a4fa93592694bbcff7c52a2bcec074868baf221bc47d9370c8d2c

Download Submit
C:\Program Files (x86)\cf7c6811\jusched.exe

Filesize
296KB

MD5
f4d332c514388deefeafe4cec33db722

SHA1
6aae1f7b4f57bf1fe0de080315c8fc19d6926a64

SHA256
d298c62d5d9a824dec1d7f61308fdda22154ca2e6dcf7f1dfd06ed6e3bb497fa

SHA512
4f151d17f95d50808a8272ce8648d86a97e70c8bd2d722de286598351f8280df0a51eb7fa1014b1383b48a1b473589f0e4f386519207741ca0b5dc30cdf52075

Download Submit
memory/64-13-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4504-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4504-15-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download