57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c

Analysis

max time kernel
154s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:37

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General

Target

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
Size

51KB
MD5

1d9c226f18c785005965fef5ae1736a8
SHA1

f3bb7399199d1e9cc076589ff60e588a2efdd9a0
SHA256

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c
SHA512

5bfe72a54dba76bd372c33c599077d6af3570882d17bfeb336f3996188b91dc31cf07bde4bceea7f964b43fcfc1c9a2556935eae345b67b3dbe5bb83b8d6be60
SSDEEP

1536:Ox/0fXKXAkU49OV+SGEYBocUaAuCSXebCq/Y6i2:Ox/0f7dwBoKUSubta2

Score

8^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2400-132-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/2400-133-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/2400-134-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c = "c:\\windows\\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe -m"	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

description	ioc	process
File created	\??\c:\windows\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
File opened for modification	\??\c:\windows\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

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

System Information Discovery
T1082
Suspicious behavior: LoadsDriver 6 IoCs

Processes:

pid

4
4
4
4
4
668

pid
4
4
4
4
4
668

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

pid	process
2400	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
2400	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

pid	process
2400	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
2400	57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe

C:\Users\Admin\AppData\Local\Temp\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe
"C:\Users\Admin\AppData\Local\Temp\57ce67151f624d1f96e566760734830238b0a91f67746b55454735fa0f731c4c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2400

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2400-132-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2400-133-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2400-134-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download