0a97f7405b8fb0a9d6948ae36237277d81148147d56b11dfc2a18144f49dc2c2

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20/08/2023, 10:26

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General

Target

50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe
Size

85KB
MD5

50350cff9d86b0fca7e062088361a8d4
SHA1

d44b674f4584f43d6224bce25c2de727af9b8005
SHA256

0a97f7405b8fb0a9d6948ae36237277d81148147d56b11dfc2a18144f49dc2c2
SHA512

602a26cc96508215f24df318656b51379e00e8519c604fe9dba48887da527a83ffcae4905cd219e89ef1431f30db33df5ac8518598dc3933eec9263af1a80e04
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjN:zCsanOtEvwDpjI

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
704	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2532-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012022-64.dat	upx
behavioral1/memory/2532-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012022-69.dat	upx
behavioral1/memory/704-71-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012022-79.dat	upx
behavioral1/memory/704-80-0x0000000000500000-0x0000000000510000-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 2532 wrote to memory of 704	2532	50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe	28
PID 2532 wrote to memory of 704	2532	50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe	28
PID 2532 wrote to memory of 704	2532	50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe	28
PID 2532 wrote to memory of 704	2532	50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\50350cff9d86b0fca7e062088361a8d4_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:704

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
86KB

MD5
c9e0e71d3d5c0fed10b23827fa9f9a13

SHA1
fff41c1f4f200a22202385c4d7dbcf0fdc32abfe

SHA256
03226250e0e02f63c66098516b81f27305fd6a43b663885d156673fca39b4df7

SHA512
6c30fb7245335ab2aad5a5582192beb16baf1d46a937824d9ccc03a9d614eebcfc6d2704a3822c06d6fe2a7b129a10d414a59ed5dff074aa5c4487ef88772e8e

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

Filesize
86KB

MD5
c9e0e71d3d5c0fed10b23827fa9f9a13

SHA1
fff41c1f4f200a22202385c4d7dbcf0fdc32abfe

SHA256
03226250e0e02f63c66098516b81f27305fd6a43b663885d156673fca39b4df7

SHA512
6c30fb7245335ab2aad5a5582192beb16baf1d46a937824d9ccc03a9d614eebcfc6d2704a3822c06d6fe2a7b129a10d414a59ed5dff074aa5c4487ef88772e8e

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

Filesize
86KB

MD5
c9e0e71d3d5c0fed10b23827fa9f9a13

SHA1
fff41c1f4f200a22202385c4d7dbcf0fdc32abfe

SHA256
03226250e0e02f63c66098516b81f27305fd6a43b663885d156673fca39b4df7

SHA512
6c30fb7245335ab2aad5a5582192beb16baf1d46a937824d9ccc03a9d614eebcfc6d2704a3822c06d6fe2a7b129a10d414a59ed5dff074aa5c4487ef88772e8e

Download Submit
memory/704-80-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/704-72-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/704-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/704-71-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2532-58-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2532-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2532-66-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/2532-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2532-55-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2532-54-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download