d058d6b16c3730c8e16e64adeab0468109a6289301fc07be2ebf9e30380a0b6f

Analysis

max time kernel
159s
max time network
180s
platform
windows7_x64
resource
win7-20230824-en
resource tags

arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
submitted
24-08-2023 17:58

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General

Target

8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe
Size

54KB
MD5

8763b49e4b70cfc6ac643e178e3533d0
SHA1

ab0e6c0a9fc2091521cbc7c0aac70c5e865bebc3
SHA256

d058d6b16c3730c8e16e64adeab0468109a6289301fc07be2ebf9e30380a0b6f
SHA512

679c32077ca79652d81bed69698514a3c89129fbf50e6758794cbdc352d32699b9bfd383a459597d232656ac142b69803a3b46567c597992c7b4b8c15dd459cc
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpe6L:zj+soPSMOtEvwDpj4yyE

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2224	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2452-10-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x00080000000120c8-12.dat	upx
behavioral1/files/0x00080000000120c8-15.dat	upx
behavioral1/memory/2224-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x00080000000120c8-27.dat	upx
behavioral1/memory/2224-28-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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 2452 wrote to memory of 2224	2452	8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe	30
PID 2452 wrote to memory of 2224	2452	8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe	30
PID 2452 wrote to memory of 2224	2452	8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe	30
PID 2452 wrote to memory of 2224	2452	8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe	30

C:\Users\Admin\AppData\Local\Temp\8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\8763b49e4b70cfc6ac643e178e3533d0_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2224

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\misid.exe

Filesize
54KB

MD5
9be841c3bc3d9d9de76100b3a5c22b65

SHA1
ba99e81c703a3c000da4cb2e0d1e3eec5787f18d

SHA256
00854f4b64627f6581f8828605faffbe406f7b445320408bbdc11bb48cad054b

SHA512
145a676742a56c3ab85d6e909109042666a165789ec6cc5113f8adb6a26364a717b0276916b7c17b29828d8ba6defff15631f391a8a1531d171e01111dca1011

Download Submit
C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
54KB

MD5
9be841c3bc3d9d9de76100b3a5c22b65

SHA1
ba99e81c703a3c000da4cb2e0d1e3eec5787f18d

SHA256
00854f4b64627f6581f8828605faffbe406f7b445320408bbdc11bb48cad054b

SHA512
145a676742a56c3ab85d6e909109042666a165789ec6cc5113f8adb6a26364a717b0276916b7c17b29828d8ba6defff15631f391a8a1531d171e01111dca1011

Download Submit
\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
54KB

MD5
9be841c3bc3d9d9de76100b3a5c22b65

SHA1
ba99e81c703a3c000da4cb2e0d1e3eec5787f18d

SHA256
00854f4b64627f6581f8828605faffbe406f7b445320408bbdc11bb48cad054b

SHA512
145a676742a56c3ab85d6e909109042666a165789ec6cc5113f8adb6a26364a717b0276916b7c17b29828d8ba6defff15631f391a8a1531d171e01111dca1011

Download Submit
memory/2224-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2224-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2224-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2224-28-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2452-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2452-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2452-3-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2452-10-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download