2b2f14d49875a2b3368e9002b44a024dbc851912cbcafb9e7d3dd87462745bb7

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 20:47

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General

Target

2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe
Size

79KB
MD5

eebeb278b684c79655d0066057d3e4bf
SHA1

e3b02a941699775fe1704aa8618e663d3404ec59
SHA256

2b2f14d49875a2b3368e9002b44a024dbc851912cbcafb9e7d3dd87462745bb7
SHA512

8b7c7931f3d35081d135f419488e6f263bad57a41f26f3ee750a15413d2b01e6fc981363a8d3438130a0a3234329a7428b8269647e917b314a343cafbcece380
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHN9v:vCjsIOtEvwDpj5H9YvQd2T

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1844	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	2024-03-18_eebeb278b684c79655d0066057d3e4bf_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 1932 wrote to memory of 1844	1932	2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe	28
PID 1932 wrote to memory of 1844	1932	2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe	28
PID 1932 wrote to memory of 1844	1932	2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe	28
PID 1932 wrote to memory of 1844	1932	2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_eebeb278b684c79655d0066057d3e4bf_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1844

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
79KB

MD5
fc9b23fba7d933e9c286d603d013e16e

SHA1
7e084f9dc46fdeba0c0a231c2ab386ac289afdb2

SHA256
25d73874ac87ec485e46483a3778868884ff458e987c29267534b6bac473fc4b

SHA512
78647bd1ab434c363c22f15222961714c340fa1252458eae144e7f89eb386424e8c3b91a3a20c65fda7ff12157a3ed6e14bf909f1798996e9e070fdabd98691b

Download Submit
memory/1844-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1844-17-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1932-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1932-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1932-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download