555d1f9e4aa8ffcd1fa2e6b4d82905951a5d580f55487e8627a378e0d33251db

Analysis

max time kernel
4s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 01:34

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General

Target

49b3b8d84fbb92c0cb6e75dcdc2f8152.exe
Size

208KB
MD5

49b3b8d84fbb92c0cb6e75dcdc2f8152
SHA1

9f0383e316d8a9254d8ce90d43ec0461a28ad296
SHA256

555d1f9e4aa8ffcd1fa2e6b4d82905951a5d580f55487e8627a378e0d33251db
SHA512

c775c9e3449ab5dc49ca76b22365d68717774a81543567b4c35640b62368fad289d83aaabf9f80c048bd6c9deb6e722949b64fd8798dcb0739ef2c6fbc1bcee8
SSDEEP

3072:xVHgCc4xGvbwcU9KQ2BBAHmaPxBVoob5EW:ECc4xGxWKQ2Bonx3

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe

Executes dropped EXE 1 IoCs

pid	Process
4600	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\cdc9e81c\jusched.exe	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe
File created	C:\Program Files (x86)\cdc9e81c\cdc9e81c	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	49b3b8d84fbb92c0cb6e75dcdc2f8152.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 2692 wrote to memory of 4600	2692	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe	91
PID 2692 wrote to memory of 4600	2692	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe	91
PID 2692 wrote to memory of 4600	2692	49b3b8d84fbb92c0cb6e75dcdc2f8152.exe	91

C:\Users\Admin\AppData\Local\Temp\49b3b8d84fbb92c0cb6e75dcdc2f8152.exe
"C:\Users\Admin\AppData\Local\Temp\49b3b8d84fbb92c0cb6e75dcdc2f8152.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Program Files (x86)\cdc9e81c\jusched.exe
  "C:\Program Files (x86)\cdc9e81c\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:4600

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)\cdc9e81c\cdc9e81c

Filesize
17B

MD5
134c1d489094d6d3399f65b0e9aebc1f

SHA1
612a57fbe6ed3ab9c15b39451171d813314a28d5

SHA256
54f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781

SHA512
b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed

Download Submit
C:\Program Files (x86)\cdc9e81c\jusched.exe

Filesize
18KB

MD5
6c69cda61c0a68b4a3264a09bc939ade

SHA1
71637c25ea24ee2534dc0b69ee70967c99202560

SHA256
c69d24b92ea7b11ba6ecb80ceade39fba302e4c5c4ac17dcf15c19a8bb3ea68d

SHA512
a3f7612a4039a612568ec900f5193061dbb8dd864b7d73bc881062c5c73d845e7b5485768db7aa11f78d66ec1badc5b88781d113894de26fb95dde113d4ece3a

Download Submit
C:\Program Files (x86)\cdc9e81c\jusched.exe

Filesize
2KB

MD5
2d553a49ca72f7494e61c03ca45d30e9

SHA1
65e8dbbeafac93b2f0817bebe8a9bd3fa0cd6459

SHA256
f326c05ab1cca89f4cb14bfcbb88b51fb3c7315418747132a53e76bf6deec094

SHA512
0399b18592a265a1a57cc52f1895c6f7375533ecd253e4e58588c188505567c483ed571ac4c71bf6643673cc0dfd6eebe781b98972e4e09d04fc4e0603369cdd

Download Submit
C:\Program Files (x86)\cdc9e81c\jusched.exe

Filesize
5KB

MD5
0056bfbe48e5d97c1f03cd7a17a75e0e

SHA1
891d3504c70f9c8cecc0db6540b03aa93b655db7

SHA256
ffc366d02a92a90bfe58ef6334e675edf05fad68722367245a7ef0b2c4ea465b

SHA512
b83e24bbcff6b99c986804890ea74149abbca701e9ebe556526bbe5f1bbf11ff93f97aff154c1f0681118621d4ff73f7543137826b5251647cb590d23bde30f0

Download Submit
memory/2692-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2692-15-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4600-14-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download