7ff8099d0cb8885e6574e353b9222cf8c624a9defa3b161e610abe09079f4d3b

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
01-08-2023 16:27

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General

Target

300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe
Size

79KB
MD5

300fd496ee19c1cc0795a4ebb477e3bb
SHA1

b8ec87815e2461feac79e6372b6e9bb6aa4c3c43
SHA256

7ff8099d0cb8885e6574e353b9222cf8c624a9defa3b161e610abe09079f4d3b
SHA512

05d885736cc61e6337880820d35b936bbb309d54558d6f332d52c9831538f66938df9433efd3782fb85c47ede10cdbeb36b5d3bd6afafa2a1cc22b3fecb2ec28
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUXQaOKX+:T6a+rdOOtEvwDpjN5

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2648	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1688-54-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012029-65.dat	upx
behavioral1/memory/1688-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2648-71-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012029-70.dat	upx
behavioral1/files/0x0009000000012029-80.dat	upx
behavioral1/memory/2648-81-0x0000000000500000-0x0000000000510000-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 1688 wrote to memory of 2648	1688	300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe	28
PID 1688 wrote to memory of 2648	1688	300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe	28
PID 1688 wrote to memory of 2648	1688	300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe	28
PID 1688 wrote to memory of 2648	1688	300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\300fd496ee19c1cc0795a4ebb477e3bb_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2648

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
79KB

MD5
5842921d888b1c9ae3689aae17e14a7d

SHA1
df27c2b4b30e525ceec37fc9c7493aee29933618

SHA256
36223061400386a8bb054a5d75c85fc08972c8a40553183907d319325bf0385a

SHA512
8d2b5fb1cf6c237b057f4e9b8c5fe87f1a1c259ec6b91ba3a7f8843a876e98d608ef0c8641ab29f4ef4859daa4ff03c1343b20b894e7070e0d6b34b949ef8078

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

Filesize
79KB

MD5
5842921d888b1c9ae3689aae17e14a7d

SHA1
df27c2b4b30e525ceec37fc9c7493aee29933618

SHA256
36223061400386a8bb054a5d75c85fc08972c8a40553183907d319325bf0385a

SHA512
8d2b5fb1cf6c237b057f4e9b8c5fe87f1a1c259ec6b91ba3a7f8843a876e98d608ef0c8641ab29f4ef4859daa4ff03c1343b20b894e7070e0d6b34b949ef8078

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

Filesize
79KB

MD5
5842921d888b1c9ae3689aae17e14a7d

SHA1
df27c2b4b30e525ceec37fc9c7493aee29933618

SHA256
36223061400386a8bb054a5d75c85fc08972c8a40553183907d319325bf0385a

SHA512
8d2b5fb1cf6c237b057f4e9b8c5fe87f1a1c259ec6b91ba3a7f8843a876e98d608ef0c8641ab29f4ef4859daa4ff03c1343b20b894e7070e0d6b34b949ef8078

Download Submit
memory/1688-56-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1688-55-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1688-62-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1688-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1688-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1688-68-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/2648-71-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2648-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2648-74-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2648-81-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download