cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76

Analysis

max time kernel
116s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2022 21:41

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General

Target

cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe
Size

18KB
MD5

a0beac55bb85e9beedd1fb3df64d4890
SHA1

a26c0417c08dc463f71cc3ebb688f4261d90f586
SHA256

cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76
SHA512

215e7ee11eb7b08c3b386d20d1c95ca65439bad1fee8464db7f21d33db1ab79abf4ac9e35a1dfa36d4291eb7827a7ee33b25a05513d7ee6bb438ca4a78efcf3e
SSDEEP

192:ZdSekEVgsoqe0jc1M7cLa2gcKiQWm/L32S5WpkdbXftbrsY5s:ZdSeP+M7cWoKiQ/iSU6dbXlbrsYO

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4952	rupdater.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.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 3 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4952	1168	cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe	81
PID 1168 wrote to memory of 4952	1168	cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe	81
PID 1168 wrote to memory of 4952	1168	cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe	81

C:\Users\Admin\AppData\Local\Temp\cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe
"C:\Users\Admin\AppData\Local\Temp\cb6827ac3df14effa0674689b97e47289c837bdb20548fc826676b9504c32d76.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Users\Admin\AppData\Local\Temp\rupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\rupdater.exe"
  2⤵
  - Executes dropped EXE
  PID:4952

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\rupdater.exe

Filesize
19KB

MD5
3a24f085d1444fec030d23356df55ad7

SHA1
42b49e93299a4e9b521da5c336d49add52b4955b

SHA256
a6df2f7ded81285b9ccbdafdf52ec95a8a995d3bf5c53d7f9935c725c8ee8c1f

SHA512
b19e42eec4b2d781a6c9e0d20da627a09cbbdc9f787bc6d2d134b8f99396b0dcb7038fd3bde5d4f595f99a80478fc347aa83e0550a8c167cb6524cfce5360173

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C:\Users\Admin\AppData\Local\Temp\rupdater.exe

Filesize
19KB

MD5
3a24f085d1444fec030d23356df55ad7

SHA1
42b49e93299a4e9b521da5c336d49add52b4955b

SHA256
a6df2f7ded81285b9ccbdafdf52ec95a8a995d3bf5c53d7f9935c725c8ee8c1f

SHA512
b19e42eec4b2d781a6c9e0d20da627a09cbbdc9f787bc6d2d134b8f99396b0dcb7038fd3bde5d4f595f99a80478fc347aa83e0550a8c167cb6524cfce5360173

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