400ccb3c8238e14f64e26fa1bba9d5a970aafa98b9b7f7e96090ae7fa8665951

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 05:55

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General

Target

2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe
Size

38KB
MD5

6f6dc71b510cbe7af6e285bd5285e928
SHA1

5c2070b606e0522e30ce05fcad623b9544bbaccd
SHA256

400ccb3c8238e14f64e26fa1bba9d5a970aafa98b9b7f7e96090ae7fa8665951
SHA512

ab07f9cab47cc4640c69b4f95cbcc5f88b304815f62306b86092c7074c651b950819d09b6d60a5b7f471343294e8b480bed3e396fbd71487933851691cbede42
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+rXS:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+ri

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1700	2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1168	1700	2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe	28
PID 1700 wrote to memory of 1168	1700	2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe	28
PID 1700 wrote to memory of 1168	1700	2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe	28
PID 1700 wrote to memory of 1168	1700	2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_6f6dc71b510cbe7af6e285bd5285e928_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
38KB

MD5
95a70e8c9f545b7a85ee16b9b95760ec

SHA1
478b8d76b01236b8a649e1a9ff3bfbe96702a39d

SHA256
cce0ac97ff2cda45ba583d9eaead96cdbbf1f1abfa61f90f848bf68571997998

SHA512
842cb415ba1455f64cbb0d388f833a7cdda3c9346c0021207487a7960efe9c39838c3e8f78aa0af327c11877e19dd94f8df155f8ff6c208024598022895fc3f1

Download Submit
memory/1168-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1168-15-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1700-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1700-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1700-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download