22ce1309330d4969a5b4383908f7673278b5f2605470c6bf1d9fd92661bb7ec6

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 19:47

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General

Target

2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe
Size

389KB
MD5

83c3245bdb2cf3de03175ce1e8464cfc
SHA1

6ec4d19c27dcd1b78ed05bc89d4fbe88563ea79c
SHA256

22ce1309330d4969a5b4383908f7673278b5f2605470c6bf1d9fd92661bb7ec6
SHA512

2bdf2ca27ef5016f4f13b34108c17c4bc3b56e5daa0928fa88e698a190eb664bff2f23b55e937243ec0439e6b51dcadbfc77da31f74b8cde26c8af15534ba1cf
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXO:nnOflT/ZFIjBz3xjTxynGUOUhXO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000230bf-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-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	hasfj.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 216 wrote to memory of 1120	216	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	88
PID 216 wrote to memory of 1120	216	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	88
PID 216 wrote to memory of 1120	216	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:216
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1120

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\hasfj.exe

Filesize
389KB

MD5
95fe0d5e00fc10f04c9a9510ce26d9f8

SHA1
73cb05123adf9b6774c6f49dfc188d7226cdddbe

SHA256
f76e3fa43753cd62ed7e2e35145b11c64e15fa5372fa0aa32a650eb47ab59cc3

SHA512
1cf22c46b7b41345033d1d70115579bcc3e3485875d673a514e5e99af81a85c9a9495e055f7c39cfd7e781026c480f00217b73f4aafb345c462c77ec8f1ab85c

Download Submit
memory/216-0-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/216-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/216-2-0x00000000022F0000-0x00000000022F6000-memory.dmp

Filesize
24KB

Download
memory/1120-19-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/1120-17-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download