21f81570630af5e52ce9804d80cf060a5f0553856f9154f325e9fdcbc2ef10f8

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 08:55

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General

Target

618fa1db7acc7f02d511756a2fdb6307.exe
Size

367KB
MD5

618fa1db7acc7f02d511756a2fdb6307
SHA1

f14c94c1135d59846597669e6e9dfc1423a53fe7
SHA256

21f81570630af5e52ce9804d80cf060a5f0553856f9154f325e9fdcbc2ef10f8
SHA512

d35912817b248fd468c22be1565e6d69da241b3746e94c2154311f821f939af50dbd1adc5aef44ef709480bf12a19ec5679298f7bfe2d873fa48bf1551aa899f
SSDEEP

6144:iO/N4yidWNLbii5bkgVuN+xSKV7Wkrsf7LsQH8frtCj6SLoI:iOVedQXikbkgaISKVy8A6SLoI

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	618fa1db7acc7f02d511756a2fdb6307.exe

Executes dropped EXE 1 IoCs

pid	Process
5020	62F0DE83-45A3-44DB-9697-4A140AC85636.exe

Loads dropped DLL 1 IoCs

pid	Process
4292	618fa1db7acc7f02d511756a2fdb6307.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 5020	4292	618fa1db7acc7f02d511756a2fdb6307.exe	91
PID 4292 wrote to memory of 5020	4292	618fa1db7acc7f02d511756a2fdb6307.exe	91
PID 4292 wrote to memory of 5020	4292	618fa1db7acc7f02d511756a2fdb6307.exe	91
PID 4292 wrote to memory of 2816	4292	618fa1db7acc7f02d511756a2fdb6307.exe	94
PID 4292 wrote to memory of 2816	4292	618fa1db7acc7f02d511756a2fdb6307.exe	94
PID 4292 wrote to memory of 2816	4292	618fa1db7acc7f02d511756a2fdb6307.exe	94

C:\Users\Admin\AppData\Local\Temp\618fa1db7acc7f02d511756a2fdb6307.exe
"C:\Users\Admin\AppData\Local\Temp\618fa1db7acc7f02d511756a2fdb6307.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4292
- C:\b991cc78-47ba-40fc-a139-37062ab6db2a\62F0DE83-45A3-44DB-9697-4A140AC85636.exe
  "C:\b991cc78-47ba-40fc-a139-37062ab6db2a\62F0DE83-45A3-44DB-9697-4A140AC85636.exe" -y -p8FEF45FA-F2B3-40D5-B6AB-8B0A80D76521
  2⤵
  - Executes dropped EXE
  PID:5020
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\System32\mshta.exe" c:\b991cc78-47ba-40fc-a139-37062ab6db2a\start.hta
  2⤵
  PID:2816

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:\b991cc78-47ba-40fc-a139-37062ab6db2a\62F0DE83-45A3-44DB-9697-4A140AC85636.exe

Filesize
208KB

MD5
fa99d30e757956d6d8bf6db9005ee081

SHA1
41b5a5f11ff3d7691ca261971e7336faf1d1a1f9

SHA256
b6a51af80991b7a1acdaa6cfd7f3bb55057b6884e68e0374c62826de64dd5c83

SHA512
e215c16828eb35e62cc4956cf8b6631c10bfcd435b7eff33366a969a32f029d787b394e62c970d14f10184a7754fc33f22e0641fcebf3ac05449836620939a9a

Download Submit
\??\c:\b991cc78-47ba-40fc-a139-37062ab6db2a\InstallerHelper.dll

Filesize
132KB

MD5
c6bb5c8c284dca85783c63b72bcfd320

SHA1
bddb5f3b7cae522d3a35a677b2181c3a2d5c3689

SHA256
690e586d7c0ed8c49b44dd42580a9451a02b3b25db22b200b81a803ef847d666

SHA512
c79c1cabdb5bc0f1070dfcde2b4182e9092be1719e140f1cf510bd19ffb2f08945f60ca4dfdeb2f83b443ffa4a3431304ea56f288bb11c233bcf72dd3ccf8f60

Download Submit
\??\c:\b991cc78-47ba-40fc-a139-37062ab6db2a\loader.gif

Filesize
1KB

MD5
e88ebd85dd56110ac6ea93fe0922988e

SHA1
684a31d864d33ff736234c41ac4e8d2c7f90d5ae

SHA256
379d1b0948f8e06366e7bcd197c848c0cc783787792f2224f98c16b974d920eb

SHA512
211b0760c9a887fc13c479617daeb6d5b6ee0ccd06c214967abd3e1f14204f72e34a6dd5eb778a9fc6ac7fc8bd63bdef80b347abab97becda16924cb3e164dc7

Download Submit
\??\c:\b991cc78-47ba-40fc-a139-37062ab6db2a\start.hta

Filesize
1KB

MD5
db4ada697fa7a0e215281533d52578e9

SHA1
fb755ea8371edf5065dc53e21eb413603f9eba7f

SHA256
f949fd6ca734830572128b4348dfd039419140c7ef501d80773f71ca3f0ed78c

SHA512
9ba1d2658785dd3c88b4399132f8330dc58872235e19ca9854b0e453d8cc7a58de0c8be84da376a72b5851073f531c95b2c6afa84f43053561ca8e6751d6e2f3

Download Submit