76853f3aeea8838c29a807feb94f8ffba9bdef532b0986fae464db548b798bcf

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 00:43

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General

Target

2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe
Size

46KB
MD5

15ff4caaa5aab79e7b478adbfb343dba
SHA1

48e41479bf17d018555d0b248ca9cc682dfe3929
SHA256

76853f3aeea8838c29a807feb94f8ffba9bdef532b0986fae464db548b798bcf
SHA512

38b4267cf79c88ceef85175dfa6f94d1bad0c69c4525654f5bce374029c5d731076d9dafd7b9a294ebed2048729f9d482513fc966a25b6fa97c2641fa15e1358
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hDu:bgGYcA/53GAA6y37nby

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012234-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2004	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1888	2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_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 1888 wrote to memory of 2004	1888	2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe	28
PID 1888 wrote to memory of 2004	1888	2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe	28
PID 1888 wrote to memory of 2004	1888	2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe	28
PID 1888 wrote to memory of 2004	1888	2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_15ff4caaa5aab79e7b478adbfb343dba_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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
46KB

MD5
7eef71cf97b1b3fd1ae6fc9f980dd8ea

SHA1
7a19d5d30c25bb8ac1b0753497710e97ab1dfde0

SHA256
1081a25480f085bf7243860256528e8a35275a95e74e1b52761ec5a05d19f3f5

SHA512
288b2716fa4dab82c9af5e6de35c9163b762ada4f07002eba6a4635460e1e361ac28d6cdb14302735e012346be8369bbb2838535879d80c1153f25dabad806ea

Download Submit
memory/1888-0-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1888-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1888-8-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2004-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2004-16-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download