a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201

Analysis

max time kernel
174s
max time network
214s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 17:09

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General

Target

a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe
Size

2.7MB
MD5

68538d75b2771ba5bfdaf66853fcdd60
SHA1

adfb6fc46ca46d0e157079a0d7b76dbdfc3a3c10
SHA256

a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201
SHA512

9d1286efbc35d1dcfda6a96d9976f3efcf1fb312dd6ba2f28840f930834ec691898b3f0f51750a62828015710351331bf1104dfa5ae194e48191b3b1d02c31ea
SSDEEP

49152:oJy796EvMtTx435MtV+O14pWPMPdEAnPc5aIgqINUB+EuWi0+CSqvVBI1rw:d7AEvgVOI4QPc6dIcRsoZ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4684	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp
4004	WMF.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp

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 SetWindowsHookEx 1 IoCs

pid	Process
4004	WMF.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 4684	4600	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe	85
PID 4600 wrote to memory of 4684	4600	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe	85
PID 4600 wrote to memory of 4684	4600	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe	85
PID 4684 wrote to memory of 4004	4684	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp	86
PID 4684 wrote to memory of 4004	4684	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp	86
PID 4684 wrote to memory of 4004	4684	a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp	86

C:\Users\Admin\AppData\Local\Temp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe
"C:\Users\Admin\AppData\Local\Temp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Users\Admin\AppData\Local\Temp\is-AFD1S.tmp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-AFD1S.tmp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp" /SL5="$A004E,2423269,153088,C:\Users\Admin\AppData\Local\Temp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4684
- - C:\Users\Admin\AppData\Local\Temp\is-CVPEJ.tmp\WMF.exe
    "C:\Users\Admin\AppData\Local\Temp\is-CVPEJ.tmp\WMF.exe" /aid=149 /sub=0 /sid=63 /name=".rar" /fid= /stats=3bqaYY82lG+ry8LllpfhvdB3TuZSuVChtyWpoWBkcpB7WZXCjYunug43y0sOQi5JPXGOTvEd+EvSUTg6i1wr9w== /param=0
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4004

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\is-AFD1S.tmp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp

Filesize
1.1MB

MD5
8811a0652c18dbcf68955f99df537eb8

SHA1
70cff6c43c0f873295dc085018639dff02f33012

SHA256
d69f51e65e3944891ec9c392b3d7410d81f8f93e55b9071584bfd1d384862230

SHA512
ed2ff6cfe272a8ae260233a1bb653adc0eaae13388418a9dea692b9924999d89b8677b8669fa24dcb0c606cfca7045bef779e1c58547f3f17d5096cbbe31d60a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-AFD1S.tmp\a35a62487dc077c4e57e39473fdf4cf7b6f345f95a3501aa680561e276826201.tmp

Filesize
1.1MB

MD5
8811a0652c18dbcf68955f99df537eb8

SHA1
70cff6c43c0f873295dc085018639dff02f33012

SHA256
d69f51e65e3944891ec9c392b3d7410d81f8f93e55b9071584bfd1d384862230

SHA512
ed2ff6cfe272a8ae260233a1bb653adc0eaae13388418a9dea692b9924999d89b8677b8669fa24dcb0c606cfca7045bef779e1c58547f3f17d5096cbbe31d60a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVPEJ.tmp\WMF.exe

Filesize
3.4MB

MD5
4d6d6472286c4264630e55982266e230

SHA1
8d077d7276f46dd48092a45bb7a1b709de07e9f6

SHA256
932d9dc10676ba1b87b522bd369f47f006eadf64e7ae386985c5f502f8ec6f07

SHA512
bd916b51a659b22c3172b4734d580d2def02bef1261fde72b43c7ed5effbefa4292e3a8e337a57d2e9f615eff072f5fe2f3170538a5d2ed855069c1639665edc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVPEJ.tmp\WMF.exe

Filesize
3.4MB

MD5
4d6d6472286c4264630e55982266e230

SHA1
8d077d7276f46dd48092a45bb7a1b709de07e9f6

SHA256
932d9dc10676ba1b87b522bd369f47f006eadf64e7ae386985c5f502f8ec6f07

SHA512
bd916b51a659b22c3172b4734d580d2def02bef1261fde72b43c7ed5effbefa4292e3a8e337a57d2e9f615eff072f5fe2f3170538a5d2ed855069c1639665edc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVPEJ.tmp\default.xml

Filesize
2KB

MD5
4c219b78a305d3e52c811542154bb224

SHA1
7efe3e383b29c808cfb3ad0fd90d627ea7b2b2bf

SHA256
a0dbdc08f771e32a5ef06f47b436afb270e860578971a974db0c34c0c1366a7c

SHA512
bced9584568b011c0b2013e48d6b9503f77b01c57e2049722326a40363ce42c533e590c4583cf0cf3a5391f3208db8135b5afdc27ae7359af3ded66b11e628b8

Download Submit
memory/4600-132-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4600-137-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download