f2a6462adbd1244c8221d6482ea5c9b3dad027f6ef5fec8572e4244e2860e7c3

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 20:22

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General

Target

2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe
Size

126KB
MD5

34d3f36209459978394f8b22989cc292
SHA1

bdc0d5680865c237a79f7bc01dc9f0d2fbe6c36c
SHA256

f2a6462adbd1244c8221d6482ea5c9b3dad027f6ef5fec8572e4244e2860e7c3
SHA512

a8295bcc8915982f40668315adc05e58c8c746d690c881ff0fe64cf630010d8a4861570656d45eb269e980b40e2b62f15194614e2347b1d6d1d6af864d4b2f31
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpN:vCA9OtEvwDpjx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	2024-03-08_34d3f36209459978394f8b22989cc292_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 2164 wrote to memory of 2052	2164	2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe	28
PID 2164 wrote to memory of 2052	2164	2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe	28
PID 2164 wrote to memory of 2052	2164	2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe	28
PID 2164 wrote to memory of 2052	2164	2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_34d3f36209459978394f8b22989cc292_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2052

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
126KB

MD5
d619346d4dcd635483fc9601c98035ad

SHA1
a1b21711885526dbd382c928e652e4f087c6e988

SHA256
9c1f7448ee64bbc2b2e3474a48734970622c5fc03f9ffff172da022204ade401

SHA512
a553b0b5b89b54d66966637af872202e04b250004cf092b52d4aa082d1cb8259cf93d4eff04d3250c220662e6c188b54c5d88921c6dc93ace1d2cbfe64b9ce0a

Download Submit
memory/2052-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2052-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2164-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2164-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download