ad1cdbd0745ce01ecad7296064126d39637628d0588b584ef2d8d35c1775bd25

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12-05-2024 04:44

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General

Target

2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe
Size

85KB
MD5

896da32028899a4230c40c5c9659bf37
SHA1

432a0f36b2f68ce48ca13141c5053345b7c67e42
SHA256

ad1cdbd0745ce01ecad7296064126d39637628d0588b584ef2d8d35c1775bd25
SHA512

52589a6fb75416c6eecbc4e38bcc0700fc704fc0f74c4ce258af8fae21303974e6658819422099995234b374f8964e4b8d28a5f349b4214ba06ad99886743e2c
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBHRx:vCjsIOtEvwDpj5H9YvQd2v

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3044	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	2024-05-12_896da32028899a4230c40c5c9659bf37_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 2240 wrote to memory of 3044	2240	2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe	28
PID 2240 wrote to memory of 3044	2240	2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe	28
PID 2240 wrote to memory of 3044	2240	2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe	28
PID 2240 wrote to memory of 3044	2240	2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_896da32028899a4230c40c5c9659bf37_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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\misid.exe

Filesize
85KB

MD5
7a004643e2c34a2b9d981911db0908c3

SHA1
446aa5874c37e35d73d0b48daf31676b8100be09

SHA256
0452a32378b2094d6c5636c229bc8ecaabb9f8ac8a149abf4ef03ea153ca8cf3

SHA512
5fca017511d6e0d37b34c545703461047b6e30549669c15b8cad1c8e43f17ee4417a35d8adc7566d58d2f0af835d9948f9e1e8172a3409b4021d45b8acc316c9

Download Submit
memory/2240-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2240-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3044-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3044-22-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download