c35cc490a497111f4921030563118b97abccc00e2e8f44f9ace4884110bc5e62

Analysis

max time kernel
119s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2022 21:19

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General

Target

08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
Size

1.9MB
MD5

0b559ca054356534e07322d4cd00a351
SHA1

e5be9a86c3da0a25a15bad5b06390cae4f71610a
SHA256

08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf
SHA512

82438431578bd37381632f2e330c600d17344a16dcf63b0df49887c964ec7565ee840fc2f98405982eefb21f6abaa111562b8950033fad389345b5069bd5e047
SSDEEP

49152:POwglWgEBHGKCSbMCAvxDM82UCYaLb+NLytJD8W4EfzaFb:POTlWHtAvO82U0LKNeEuz

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3592-137-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-134-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-138-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-140-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-139-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-133-0x0000000000400000-0x0000000000846000-memory.dmp	upx
behavioral2/memory/3592-141-0x0000000000400000-0x0000000000846000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2480 set thread context of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
3592	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81
PID 2480 wrote to memory of 3592	2480	08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe	81

C:\Users\Admin\AppData\Local\Temp\08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
"C:\Users\Admin\AppData\Local\Temp\08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe
  "C:\Users\Admin\AppData\Local\Temp\08089429ee4231d39dd0f2c970dca60e09a72e6c003f480f2dad76b032fdc1cf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:3592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2480-135-0x000000000332C000-0x00000000034E3000-memory.dmp

Filesize
1.7MB

Download
memory/2480-136-0x0000000004C90000-0x0000000004E46000-memory.dmp

Filesize
1.7MB

Download
memory/3592-137-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-134-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-138-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-140-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-139-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-133-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/3592-141-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download