7e32fd6bed6bc14176e45afed1fc9a50705e23c4dfbe03c499712e7bd64e20d1

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 19:52

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General

Target

2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe
Size

51KB
MD5

dc87bf83284ad9c7c89ad44949eeb0c6
SHA1

d0382d96c3154ae58e7c974103da6c297a4d14d5
SHA256

7e32fd6bed6bc14176e45afed1fc9a50705e23c4dfbe03c499712e7bd64e20d1
SHA512

47cf009c7f8d79b2105a7252f2e6eaccfc4b24f95699c724ae16509c3e9ebd611831b326c59c5f8ead76cb1dc171b913db012fc0e0dd1e683e46d79829c482b8
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9SVu:bIDOw9a0DwitDZz1w

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012258-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2768	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_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 1976 wrote to memory of 2768	1976	2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe	28
PID 1976 wrote to memory of 2768	1976	2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe	28
PID 1976 wrote to memory of 2768	1976	2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe	28
PID 1976 wrote to memory of 2768	1976	2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_dc87bf83284ad9c7c89ad44949eeb0c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2768

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\lossy.exe

Filesize
51KB

MD5
0bece02b867e9fc253a81a6f1cddcbb5

SHA1
7b02bc06df0681d60ecce457f5ab624c49153dd3

SHA256
8969153ffc776d1adceadd5caad35d21bf18f76f4996f722b085b5d2b150f882

SHA512
6fad7f7ac4399e40620042307565e044f24c19d1e2d994275acb398f7e6d1ba977bc9421b06f1c9d5298240ddd8bf453c03d133fd6a691bf2741df50e64487be

Download Submit
memory/1976-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1976-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1976-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2768-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2768-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download