e1de5fdc0f34882c50d243f901c4e24bce3cdb91b50907b649b841c244c91c37

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 15:29

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General

Target

2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe
Size

46KB
MD5

c962dc56ef1cf0fc96f73133dbcf15cd
SHA1

66ce3a62dcd2eaa01fe34d1b33c9d3238df5f19b
SHA256

e1de5fdc0f34882c50d243f901c4e24bce3cdb91b50907b649b841c244c91c37
SHA512

28b35a2bb71e4e090f819fd5ca076102a9811b7bdfc2eb48fa277a527b79683972838f61535be5bfce07308478622c77d1af372f210d39108a2e811a770ab89e
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPoa:P6QFElP6k+MRQMOtEvwDpjBQpVXza

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2012-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012301-15.dat	CryptoLocker_rule2
behavioral1/memory/2012-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2016-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2016-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2012-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000012301-15.dat	CryptoLocker_set1
behavioral1/memory/2012-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2016-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2016-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2016	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_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 2012 wrote to memory of 2016	2012	2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe	28
PID 2012 wrote to memory of 2016	2012	2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe	28
PID 2012 wrote to memory of 2016	2012	2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe	28
PID 2012 wrote to memory of 2016	2012	2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-13_c962dc56ef1cf0fc96f73133dbcf15cd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2016

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
46KB

MD5
92778301f9cd6bfeb1dacb0a2e4ceec0

SHA1
50e0e9759419d649bb4210b92332a2096f647cf3

SHA256
17c83d2bb0a789bc72653ceaed2067a4ab5beac897858ce6b9d4a822c647649f

SHA512
463bf371abfe142507236638c3d0441325deb643c0a32b4e59c7a3164128f44e12621d7aafcd1fc05fa719a2b95e8545ef74b0c8eb29eb2d15e08910e6c1c208

Download Submit
memory/2012-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2012-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2012-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2012-9-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2012-14-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2016-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2016-18-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2016-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2016-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download