7f3e9a53940d9e51dcf9585956ac67032e709cfe6f3d937310f054c172b1be61

Analysis

max time kernel
173s
max time network
208s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:16

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General

Target

2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe
Size

44KB
MD5

b67ee2350bb6a071ce88cb2dec415273
SHA1

ee8771584892e5ed3b89177063fef653bbb3ff39
SHA256

7f3e9a53940d9e51dcf9585956ac67032e709cfe6f3d937310f054c172b1be61
SHA512

4075cb847ce37086d785edcda60701ef023a19a81147fe7962e625bcd8e8c2e9cc589857f5610b7b11b439e872da8916a70e5aef1babc651242d4679fafcc5c4
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YlPY:bgGYcA/53GAA6y37QQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2592	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	2024-01-18_b67ee2350bb6a071ce88cb2dec415273_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 2708 wrote to memory of 2592	2708	2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe	30
PID 2708 wrote to memory of 2592	2708	2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe	30
PID 2708 wrote to memory of 2592	2708	2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe	30
PID 2708 wrote to memory of 2592	2708	2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_b67ee2350bb6a071ce88cb2dec415273_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2592

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
44KB

MD5
c49b9cb5d0c2ec4f051ff909a98daf08

SHA1
5efd17d74f1b06a92f9181b4890d4df61d873e00

SHA256
0357935f6653e6216c6bf46c3c3f8af7457af343b50d6c8d187b9ba3a262d308

SHA512
72e84bb2eb997e780ad741609db7aea4f86aa72aaa0c9040b2bb1282ee853ba88aab31d546180df078c9c854360c52a7ada75f2072ac91040bcda48e936a4dc4

Download Submit
memory/2592-19-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2592-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2708-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2708-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2708-3-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download