22b5cd6de14042d0d44984e4402e4a9b684c4a4d5b22333c197d74ee775149b2

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
17/08/2023, 15:27

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General

Target

14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe
Size

62KB
MD5

14830d9f36653fd16633be626fa762c3
SHA1

c7d245cecb8719383d9f10f396cbb128cd104229
SHA256

22b5cd6de14042d0d44984e4402e4a9b684c4a4d5b22333c197d74ee775149b2
SHA512

c08da3259efbb553c758cab41c5c06f8472fcf30bbcd010344222cf64a962b254eef2c5bab4a410a8365e9ee00e4fd2a3a4f149eff1ff91418104cd58461a9ca
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYXUXojZJW:1nK6a+qdOOtEvwDpj3

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3032	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2804	14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2804-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000e00000001201e-65.dat	upx
behavioral1/memory/2804-69-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2804-67-0x0000000001FF0000-0x0000000002000000-memory.dmp	upx
behavioral1/memory/3032-72-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000e00000001201e-70.dat	upx
behavioral1/files/0x000e00000001201e-80.dat	upx
behavioral1/memory/3032-82-0x0000000000500000-0x000000000050F311-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 2804 wrote to memory of 3032	2804	14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe	28
PID 2804 wrote to memory of 3032	2804	14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe	28
PID 2804 wrote to memory of 3032	2804	14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe	28
PID 2804 wrote to memory of 3032	2804	14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\14830d9f36653fd16633be626fa762c3_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
62KB

MD5
5cb74bbe0190ab4e30c6a1c4a43efc7f

SHA1
54c157a48edf1600694413569e9d51a501487359

SHA256
8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

SHA512
2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

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

Filesize
62KB

MD5
5cb74bbe0190ab4e30c6a1c4a43efc7f

SHA1
54c157a48edf1600694413569e9d51a501487359

SHA256
8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

SHA512
2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

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

Filesize
62KB

MD5
5cb74bbe0190ab4e30c6a1c4a43efc7f

SHA1
54c157a48edf1600694413569e9d51a501487359

SHA256
8ec473b4aa5f7627b51101fa4cf22649117398f83d68fd62222a2c84bf8ded3d

SHA512
2dfdd48f21525c3047afe293878278ceaa957aec5b633ad91cd1b1ce2e6198bb0ba2ec45d07a975cc4b415e9cdd71c26523277bfcaf9f55f6ecb5ba7db319b7d

Download Submit
memory/2804-67-0x0000000001FF0000-0x0000000002000000-memory.dmp

Filesize
64KB

Download
memory/2804-57-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2804-69-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2804-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2804-56-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2804-55-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2804-81-0x0000000001FF0000-0x0000000002000000-memory.dmp

Filesize
64KB

Download
memory/3032-72-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/3032-74-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3032-73-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3032-82-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download