646e46a3ffd856337444848b03e50c6ce5d55efa93ca3906b8d55638d67ba71f

Analysis

max time kernel
181s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 20:28

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General

Target

NEAS.75987486edb951c59979d986c0c8dec0.exe
Size

8KB
MD5

75987486edb951c59979d986c0c8dec0
SHA1

ef4eb2105267cefd6c58881f320e970fb4a7b43f
SHA256

646e46a3ffd856337444848b03e50c6ce5d55efa93ca3906b8d55638d67ba71f
SHA512

38f6e543c20a22af0a4d4bf53640407e64c9367e17a672e195debf9909c44d78784ceb783ff5788d521608e05f34decb991edadd351397c9a692c37b45b366ec
SSDEEP

96:QtTcnngnpETXghZd5SOU5G1sPbseggygUldpoTiMsDwqKqUB7MYW2FAfggNZqsIz:QpGWmTQvbdoiKbDggtKcTYT3UB19AIn9

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	NEAS.75987486edb951c59979d986c0c8dec0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	fcbnaf.exe

Executes dropped EXE 1 IoCs

pid	Process
4844	fcbnaf.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 4696 wrote to memory of 4844	4696	NEAS.75987486edb951c59979d986c0c8dec0.exe	88
PID 4696 wrote to memory of 4844	4696	NEAS.75987486edb951c59979d986c0c8dec0.exe	88
PID 4696 wrote to memory of 4844	4696	NEAS.75987486edb951c59979d986c0c8dec0.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.75987486edb951c59979d986c0c8dec0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.75987486edb951c59979d986c0c8dec0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe
  "C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4844

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\fcbnaf.exe

Filesize
8KB

MD5
1264d19e40a312fa59598f7a3e6d2871

SHA1
ee43a274382f1854ab9cf7cb36f786c99c1632a2

SHA256
10c9011a8f5675b0996949069f61ae4346d4b922db744534a65488cc862b4388

SHA512
1f0ec636b103e132e924b5d3657b6213027eb96d8376bc477728093111f63e0c0698ad37e8ffcd85b423864942315323ea75c8706057655fe5f22610fb8d6f91

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

Filesize
8KB

MD5
1264d19e40a312fa59598f7a3e6d2871

SHA1
ee43a274382f1854ab9cf7cb36f786c99c1632a2

SHA256
10c9011a8f5675b0996949069f61ae4346d4b922db744534a65488cc862b4388

SHA512
1f0ec636b103e132e924b5d3657b6213027eb96d8376bc477728093111f63e0c0698ad37e8ffcd85b423864942315323ea75c8706057655fe5f22610fb8d6f91

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

Filesize
8KB

MD5
1264d19e40a312fa59598f7a3e6d2871

SHA1
ee43a274382f1854ab9cf7cb36f786c99c1632a2

SHA256
10c9011a8f5675b0996949069f61ae4346d4b922db744534a65488cc862b4388

SHA512
1f0ec636b103e132e924b5d3657b6213027eb96d8376bc477728093111f63e0c0698ad37e8ffcd85b423864942315323ea75c8706057655fe5f22610fb8d6f91

Download Submit
memory/4696-0-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/4696-3-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/4844-10-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download