9d17928d26e58f813b81822a05e1538163d9e9f3189516ff9be77a58697f97e3

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 03:45

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General

Target

2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
Size

36KB
MD5

9724eaa3ac616848ea8e25fb95dac6f6
SHA1

15dfa78868a6fec48d923a841d41ee744dcf9e4d
SHA256

9d17928d26e58f813b81822a05e1538163d9e9f3189516ff9be77a58697f97e3
SHA512

0c78dc7a069e4066503fde055b21e4d972b1278102fde0248c02e62c857bab617e4ce334c02d63c10a016bef8f518431627b81ad5cf9c4fb804f84c7a2b4aec0
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRin:bAvJCYOOvbRPDEgXRc3SSz3SPE4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023308-12.dat	CryptoLocker_rule2

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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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 816 wrote to memory of 4572	816	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	83
PID 816 wrote to memory of 4572	816	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	83
PID 816 wrote to memory of 4572	816	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:4572

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
36KB

MD5
d4157d2333a7bd769a800d0394e29905

SHA1
47604ffe3cb0e02098ef52d391f15f92eb1d904a

SHA256
70773106fe5378a01cb22e8c1e3219296034c65aab28400d9ae7ae7592d16c8c

SHA512
81226fbb3fdba7083a0066fdd29fb8099f67c3c6e3e9284c83c2b74a7b3e036fe0e70d1a4be1aff9f221cfc1c72aa7d634e17c672d2e26f179dde64bc0b47e9c

Download Submit
memory/816-0-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/816-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/816-8-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4572-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download