1807a00525fafb25d4111d0dc32bf1ff354d220a8af202be4119347064153144

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 04:52

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General

Target

2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe
Size

81KB
MD5

ec3262c18f160c01800e1466a3978be6
SHA1

ce5813afaa629778e932e36f5e80cd2226390e50
SHA256

1807a00525fafb25d4111d0dc32bf1ff354d220a8af202be4119347064153144
SHA512

ca440533e7c52eaa826fec57da0c1c9bdc789234d3835d9dee89386e5f0277b40eb3ae48d5e200bf733217c71c307f085cb58e7c85e1b7fe0464ea7b5dfb26a7
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqe:vCjsIOtEvwDpj5H9YvQd2D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012671-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012671-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2036	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1948	2024-05-01_ec3262c18f160c01800e1466a3978be6_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 1948 wrote to memory of 2036	1948	2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe	28
PID 1948 wrote to memory of 2036	1948	2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe	28
PID 1948 wrote to memory of 2036	1948	2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe	28
PID 1948 wrote to memory of 2036	1948	2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-01_ec3262c18f160c01800e1466a3978be6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2036

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

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

Filesize
81KB

MD5
d7aee7066a98ba5b250beed8e1715c78

SHA1
032cde1f0e776bac281272692540845dd463e4c0

SHA256
b5ce9780bcfac353920f0bd2529ebb0a37b146d3ec5d39c7f672fa4dabdc3b35

SHA512
99fd77556e74b93e3547e158f15808a2183133d0d904f1228f4c323582f938b859eca174c1a1788c8cea2e226e28bab7575b8f9f4439bea61d98ce1bd09c732f

Download Submit
memory/1948-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1948-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1948-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2036-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2036-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download