df175b8409d19a32403cdf2dcc5924287363548c10091ffe3a71487732f4833e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 18:43

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General

Target

2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe
Size

80KB
MD5

ca1978a5827778677c7891a7d73fa8e7
SHA1

7bca40a89577497c4b09af79323ea7aea0073bcb
SHA256

df175b8409d19a32403cdf2dcc5924287363548c10091ffe3a71487732f4833e
SHA512

6a5fab086570a0deb60d30a06e612eff62e88e1319a4bb2ff65f3372814598813f67f2ccd4daf62ed29f6a9f4d569a5619d7f6c9207dc888af6b41d77e5c4572
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMAF:TCjsIOtEvwDpj5HE/OUHnSMi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/1660-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0009000000014b70-11.dat	CryptoLocker_rule2
behavioral1/memory/1660-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2712-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1660-13-0x00000000006D0000-0x00000000006DE000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2712-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

resource	yara_rule
behavioral1/memory/1660-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0009000000014b70-11.dat	CryptoLocker_set1
behavioral1/memory/1660-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2712-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1660-13-0x00000000006D0000-0x00000000006DE000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2712-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2712	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	2024-03-18_ca1978a5827778677c7891a7d73fa8e7_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 1660 wrote to memory of 2712	1660	2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe	28
PID 1660 wrote to memory of 2712	1660	2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe	28
PID 1660 wrote to memory of 2712	1660	2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe	28
PID 1660 wrote to memory of 2712	1660	2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_ca1978a5827778677c7891a7d73fa8e7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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
81KB

MD5
a23e181c0ab80f7042858fe474252c34

SHA1
6fa67d7a47f30a559628b1fc3681ff810fd218f4

SHA256
4585008f61800dfd2b61264830b228b137b6cccfe2b89e32492bcc21ad8a8087

SHA512
9c1bc7a139bed53beadf1cb90c386c44380d044266f486eb4de188f6297785d66519b292629ed5133261ff09186474037414ba9f6ea562c57b67bc4dfbd494c2

Download Submit
memory/1660-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1660-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1660-3-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1660-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1660-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1660-13-0x00000000006D0000-0x00000000006DE000-memory.dmp

Filesize
56KB

Download
memory/2712-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2712-19-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2712-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2712-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download