2ea5f8f8508c4614926a0a733beb10f2bc264f2f5bd8f9dd772bce0817cc2eea

Analysis

max time kernel
95s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 19:37

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General

Target

2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe
Size

29KB
MD5

a8ada5443e1219317f7dffadc0376e08
SHA1

38a12b846b8a8ad4f3247ea041c5d780231d3637
SHA256

2ea5f8f8508c4614926a0a733beb10f2bc264f2f5bd8f9dd772bce0817cc2eea
SHA512

7668b3d705a54f17c0ad73440345ceab5d3745ec179e083dbe8a5d6a86165c3ee768bf1a11a6182d7ae21d56e4366ef6bade599673a39add4c06bd8565076029
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGuOtCF73y:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xd

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	hurok.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 1748	4176	2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe	82
PID 4176 wrote to memory of 1748	4176	2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe	82
PID 4176 wrote to memory of 1748	4176	2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-18_a8ada5443e1219317f7dffadc0376e08_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1748

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
29KB

MD5
9871fd7be8b94864519a1d0bbe4205c8

SHA1
c18af16a96d1996eb1a27e2ca51c2d93d5633ac0

SHA256
d3a64cdb81b6a349fa5d556de42083e1107591ad939920b6a14675e959aecc6b

SHA512
5c4103a4645fbcf3c0d564f629f6683b0451c85da05800b965fc8b7e532afcf1f94b8fdadbb092f56484b88699446e7ede3bfeb5974e139238b2195913c89df6

Download Submit
memory/4176-0-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/4176-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/4176-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download