3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3

Analysis

max time kernel
136s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-04-2024 20:44

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General

Target

3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
Size

245KB
MD5

64eb0a8b6f772f26841fdd63755f2987
SHA1

225d397812ed26e075e126fc587a5380bd79870c
SHA256

3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3
SHA512

e467d537836f6b7dbed52b71b84246b3c3f3363e3dab37c7519aff5aec5031764dee86f07d97b9a4f662035b7db2f1fd610559bb7c4dada10c6a2f9d01931a3c
SSDEEP

3072:9vVQLIkLWeaA8KlCph9GrowNM77sap/y5n2QTOq:NVbk6pNQOri8lp/y5nh

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe

Executes dropped EXE 1 IoCs

pid	Process
5108	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\540260fd\jusched.exe	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
File created	C:\Program Files (x86)\540260fd\540260fd	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.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 4300 wrote to memory of 5108	4300	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	90
PID 4300 wrote to memory of 5108	4300	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	90
PID 4300 wrote to memory of 5108	4300	3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe	90

C:\Users\Admin\AppData\Local\Temp\3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe
"C:\Users\Admin\AppData\Local\Temp\3f637b93d9a5664b43f46ffd75d350b275816f8b7a084cbe563a670a4a6fc1f3.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Program Files (x86)\540260fd\jusched.exe
  "C:\Program Files (x86)\540260fd\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:5108

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 --mojo-platform-channel-handle=3900 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:2308

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)\540260fd\540260fd

Filesize
17B

MD5
7bdf61d37c9adf3e1c6937107016091f

SHA1
56b8e0c454f9dd16d508a04b3afa7e458453ac41

SHA256
4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

SHA512
ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

Download Submit
C:\Program Files (x86)\540260fd\jusched.exe

Filesize
245KB

MD5
09facb410d94aa0e23d7bcaa36ddc9e2

SHA1
df921b6e73deee785354f10f785c68528c59228d

SHA256
95033f950b388f7903f158279fbeb5f45e225a9094a9c825e06bf9e823ce952a

SHA512
3428f787cdbc5c0398888fbeb49a8f0344a52b99cbbd523dfe2978b4c73f01f621eec1bfac902c729007b286b021c67376552c3a3949028b3e165dcbcaff112a

Download Submit
memory/4300-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4300-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5108-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download