02d44e755a96a1e77e242441e2b404a81851a3762430125f52f21f30218df165

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06-08-2023 10:11

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General

Target

7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe
Size

39KB
MD5

7ed12a3ca0d13a27e69e5a5d7f441e40
SHA1

2d4b7943c51dfbc9ff4a864809759c597b00e6ad
SHA256

02d44e755a96a1e77e242441e2b404a81851a3762430125f52f21f30218df165
SHA512

ad64cb0d52acb6d95738cb05b7471fd99b43cabbfa418707d968d82c063d6b256599bf38171393f207b364bc5680b6f9e08ae107ec5e7ba780c0759d0d80bb92
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOo:qUmnpomddpMOtEvwDpjjaYaFAY

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2164	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1860-53-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000a000000012029-64.dat	upx
behavioral1/memory/1860-68-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000a000000012029-67.dat	upx
behavioral1/memory/2164-70-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000a000000012029-79.dat	upx
behavioral1/memory/2164-81-0x0000000000500000-0x000000000050F000-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 1860 wrote to memory of 2164	1860	7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe	28
PID 1860 wrote to memory of 2164	1860	7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe	28
PID 1860 wrote to memory of 2164	1860	7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe	28
PID 1860 wrote to memory of 2164	1860	7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\7ed12a3ca0d13a27e69e5a5d7f441e40_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2164

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
39KB

MD5
ecb0ee850af0d85749ea27242050f581

SHA1
de69926e8d3c9cab1724860a2eefbf0b0c46fb37

SHA256
1d719aeecea7613aad520756da6ff6659f09e63d6a4cde02d733b3aa063c896f

SHA512
4ec4904692cbc97a943ff4cc5ee2c52638bd4480a6e457091e5db28fdbd7031cd8f484ee172d9a7cea2402e2ddcabb49adff3eacd3d8cd9a3e01a359ee6be091

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

Filesize
39KB

MD5
ecb0ee850af0d85749ea27242050f581

SHA1
de69926e8d3c9cab1724860a2eefbf0b0c46fb37

SHA256
1d719aeecea7613aad520756da6ff6659f09e63d6a4cde02d733b3aa063c896f

SHA512
4ec4904692cbc97a943ff4cc5ee2c52638bd4480a6e457091e5db28fdbd7031cd8f484ee172d9a7cea2402e2ddcabb49adff3eacd3d8cd9a3e01a359ee6be091

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

Filesize
39KB

MD5
ecb0ee850af0d85749ea27242050f581

SHA1
de69926e8d3c9cab1724860a2eefbf0b0c46fb37

SHA256
1d719aeecea7613aad520756da6ff6659f09e63d6a4cde02d733b3aa063c896f

SHA512
4ec4904692cbc97a943ff4cc5ee2c52638bd4480a6e457091e5db28fdbd7031cd8f484ee172d9a7cea2402e2ddcabb49adff3eacd3d8cd9a3e01a359ee6be091

Download Submit
memory/1860-68-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1860-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1860-69-0x0000000002380000-0x000000000238F000-memory.dmp

Filesize
60KB

Download
memory/1860-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1860-55-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1860-53-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1860-80-0x0000000002380000-0x000000000238F000-memory.dmp

Filesize
60KB

Download
memory/2164-70-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2164-72-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2164-73-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2164-81-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download