e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 23:47

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General

Target

e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe
Size

32KB
MD5

faa1f60fafd0edddb1c8d603864c644a
SHA1

1394edd712b89c2e1db3427b7c7afcec67d78dd0
SHA256

e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2
SHA512

f86840f4521a030d3726df15caf9a1e2d68e7ca286f38fd54c5e028657f6c68ca03370cdd9be8d7b172f65297177d5db1ecceb28c5ce87190824132c5e9b6934
SSDEEP

768:xW9+F8BPtElggggggLvggggggggUaocdFA:ekoqA

Score

9^/10

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/3992-0-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3992-2-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000400000001e980-6.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1888-13-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1888-14-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe

Executes dropped EXE 1 IoCs

pid	Process
1888	btkba.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 3992 wrote to memory of 1888	3992	e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe	88
PID 3992 wrote to memory of 1888	3992	e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe	88
PID 3992 wrote to memory of 1888	3992	e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe	88

C:\Users\Admin\AppData\Local\Temp\e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe
"C:\Users\Admin\AppData\Local\Temp\e1bdf745f52435ded322fb3672a91be378c358e4293954582750e3c0fce4dbc2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\Temp\btkba.exe
  "C:\Users\Admin\AppData\Local\Temp\btkba.exe"
  2⤵
  - Executes dropped EXE
  PID:1888

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\btkba.exe

Filesize
32KB

MD5
a58a11fd21d86dc8e209164485f30759

SHA1
67d78a029a6b873066f0bf00aa391bc73e16bccd

SHA256
b46554ef79ef54fe235d70bf0ef266b3d2de867b1895f8ce3ef0e89c8f439ddc

SHA512
d13a422d849c637e9ecb20e714140bc64c817dc0609a8714783fac320f7ddca135f8c3e7bb79c862c3ee9c287af1e0be107db935c6fbccf104da58c416bdab8b

Download Submit
memory/1888-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1888-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3992-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3992-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download