16e4183c4c724bac5842ffc34e53f71c5f7a8d97d52836a56f4973bcfafb1a40

Analysis

max time kernel
146s
max time network
86s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:45

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General

Target

3a367bca14b1b0b15b6bf4a2c5b50ce2.exe
Size

471KB
MD5

3a367bca14b1b0b15b6bf4a2c5b50ce2
SHA1

10b25dc0a025b44ac285503840c254804bf42c3d
SHA256

16e4183c4c724bac5842ffc34e53f71c5f7a8d97d52836a56f4973bcfafb1a40
SHA512

b60786b101f5b5c7aa23602269818be5ff0f2a448f9fbf1bdca98d6c7dd615c2b5e07027226f1b6fa7d15185690147d3922535d0b7f24cfe81b720796e762d90
SSDEEP

6144:Smsyd7BspOWZ+Stxo3Gc2uqy3gu88mWCMpCRWFf2Kj+m+6XUYR:epO3StxwGc2c3tfmfsCRA22+m+8h

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	3a367bca14b1b0b15b6bf4a2c5b50ce2.exe

Executes dropped EXE 1 IoCs

pid	Process
4052	worker.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4052	worker.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4052	worker.exe
4052	worker.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 4052	2348	3a367bca14b1b0b15b6bf4a2c5b50ce2.exe	88
PID 2348 wrote to memory of 4052	2348	3a367bca14b1b0b15b6bf4a2c5b50ce2.exe	88

C:\Users\Admin\AppData\Local\Temp\3a367bca14b1b0b15b6bf4a2c5b50ce2.exe
"C:\Users\Admin\AppData\Local\Temp\3a367bca14b1b0b15b6bf4a2c5b50ce2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
  "C:\Users\Admin\AppData\Local\Temp\DM\worker.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4052

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:\Users\Admin\AppData\Local\Temp\DM\parent.txt

Filesize
168KB

MD5
f239c9fa983cb4ab520fa553f6ac2932

SHA1
ba0f010500aa89dabf478f7e4efb09158286befc

SHA256
1e4082014854b0e76c4f0dca40a7705cebb40a84ae62f7e321069e350adcdc70

SHA512
e04a67e701e9d96397b1497686ff801721bc6ca3ea50fae4ed409ec4a96dd72d7129ec798b56857b63486420bd884dc28e01fe354f0bd0ca52b0ae2cf51bcda3

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
memory/4052-21-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-22-0x000000001F4B0000-0x000000001F512000-memory.dmp

Filesize
392KB

Download
memory/4052-14-0x00007FFBB1D00000-0x00007FFBB26A1000-memory.dmp

Filesize
9.6MB

Download
memory/4052-16-0x000000001B980000-0x000000001BE4E000-memory.dmp

Filesize
4.8MB

Download
memory/4052-17-0x000000001BEF0000-0x000000001BF8C000-memory.dmp

Filesize
624KB

Download
memory/4052-18-0x000000001B020000-0x000000001B028000-memory.dmp

Filesize
32KB

Download
memory/4052-19-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-20-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-13-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-15-0x000000001B120000-0x000000001B164000-memory.dmp

Filesize
272KB

Download
memory/4052-12-0x00007FFBB1D00000-0x00007FFBB26A1000-memory.dmp

Filesize
9.6MB

Download
memory/4052-25-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-34-0x00000000218E0000-0x0000000022086000-memory.dmp

Filesize
7.6MB

Download
memory/4052-35-0x00007FFBB1D00000-0x00007FFBB26A1000-memory.dmp

Filesize
9.6MB

Download
memory/4052-36-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-38-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-37-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-39-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download
memory/4052-40-0x0000000000B10000-0x0000000000B20000-memory.dmp

Filesize
64KB

Download