90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347

Analysis

max time kernel
90s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 14:41

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General

Target

90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe
Size

669KB
MD5

f77a78db60b09f6dd1c5e46981a40683
SHA1

b57eec71cecce31b28ab90d29f952b0b3b97c490
SHA256

90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347
SHA512

6766165d47c57270780fca76ba2e4d726977e4aacf727bba23be815fccb37bfa78df4ca7d3baa99ad76815a439916ec078fa1639a55a1ee26bbd1353fe09d6e0
SSDEEP

12288:wnmaWd0zLoWcebTpPlYcFyfXvHF3Z4mxxeDqVTVOCny:wmaWuw6TZ6ccXfQmXtVTzny

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4844	2.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\Fiele Ps.txt	2.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 4844	3868	90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe	81
PID 3868 wrote to memory of 4844	3868	90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe	81
PID 3868 wrote to memory of 4844	3868	90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe	81
PID 4844 wrote to memory of 952	4844	2.exe	82
PID 4844 wrote to memory of 952	4844	2.exe	82

C:\Users\Admin\AppData\Local\Temp\90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe
"C:\Users\Admin\AppData\Local\Temp\90fd62af20246d9876e0ce0e9a8aad0349fe22a816e24ea830c3ec5a7b0f7347.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    PID:952

Network

MITRE ATT&CK Enterprise v6

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\2.exe

Filesize
355KB

MD5
09e4173c823325da3a9dea8927b38d3d

SHA1
60b2a238461b35c394ea8423a7cfd990e8ad0c9a

SHA256
5303856f73b771c06cb967455e7f13d8a22472dbb56bfe8ecd4807e9f5d9f29d

SHA512
8a001aeeb5d4c98e341b9c87c1159e6fade4003053c1852d957e9f3bba90347a76d88841fd21fd7cbb605518a703293278bb73994593c9e9ea6b8e8dfdda1175

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
355KB

MD5
09e4173c823325da3a9dea8927b38d3d

SHA1
60b2a238461b35c394ea8423a7cfd990e8ad0c9a

SHA256
5303856f73b771c06cb967455e7f13d8a22472dbb56bfe8ecd4807e9f5d9f29d

SHA512
8a001aeeb5d4c98e341b9c87c1159e6fade4003053c1852d957e9f3bba90347a76d88841fd21fd7cbb605518a703293278bb73994593c9e9ea6b8e8dfdda1175

Download Submit
memory/3868-132-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3868-133-0x0000000000AC0000-0x0000000000B14000-memory.dmp

Filesize
336KB

Download
memory/3868-137-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3868-138-0x0000000000AC0000-0x0000000000B14000-memory.dmp

Filesize
336KB

Download