2c803cfd22b7e5c1b77346d5a80d34965827e080edc92f2aee27a0eb954ca91e

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 21:23

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General

Target

2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe
Size

41KB
MD5

032746a0f200fd2ea4d47092f3969eb9
SHA1

614d583112c60614ac032996e73a7f3effe26406
SHA256

2c803cfd22b7e5c1b77346d5a80d34965827e080edc92f2aee27a0eb954ca91e
SHA512

98e6080988102d3163462d5cc73dfbb2e6dc1327463ae689b5830f3294bec80b66e302bcad42422968cc05a768c5f07ef1d1343bbb0fd9964e263c8c88cfeda4
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50i3NbZM+iu:bAvJCYOOvbRPDEgXrNekd7l94i3p+Ol

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	demka.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	demka.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 1216 wrote to memory of 2768	1216	2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe	88
PID 1216 wrote to memory of 2768	1216	2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe	88
PID 1216 wrote to memory of 2768	1216	2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_032746a0f200fd2ea4d47092f3969eb9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2768

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\demka.exe

Filesize
42KB

MD5
a8acf03f549235733b56196f3b52724b

SHA1
432fc19d772be6f5acdbcca324ec96f5f0359580

SHA256
25b69e44ef9769e916a34bcff5ffedbc2ff06c5c3a1be1dea8340c5fdb78a32a

SHA512
6d5892909da6ad0d1dfba8aab215b3a05debbed84d842baa8475c5ecd4448bd83c8bbbed1f92c46f8b4c944efd4dd7447ed6adcbb05b9c4cfb125b643d656205

Download Submit
memory/1216-0-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2768-25-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download