c61d473f4306510db1e5308c2fa914711770c7a5c32068763e63262ae064d84e

Analysis

max time kernel
165s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 01:26

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General

Target

3b8a33c378a1ff4179cfb023c62370a8.exe
Size

2.0MB
MD5

3b8a33c378a1ff4179cfb023c62370a8
SHA1

4c235ed9c0c24be206b5681b94b463284ed550b6
SHA256

c61d473f4306510db1e5308c2fa914711770c7a5c32068763e63262ae064d84e
SHA512

3659c7c1d79a4ab808293c585c201eb0aa335c9c5dd0c2ef52953a04c98572d95faa4f0b64453094be9a12e3415f3c52de006b3ad54bff4a42981f3fe6609682
SSDEEP

49152:mJF3l0wXuAQMzul1VboK28uoBP/MIjb6c49jxuemsBQFvUum6x:mJ0YlQMzul1VTmoBP/MIjmcmjnQFvBmO

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3292-0-0x0000000000400000-0x0000000000C91000-memory.dmp	upx
behavioral2/memory/3292-3-0x0000000000400000-0x0000000000C91000-memory.dmp	upx
behavioral2/memory/3292-7-0x0000000000400000-0x0000000000C91000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\msig = "C:\\Windows\\system32\\smc32.exe"	3b8a33c378a1ff4179cfb023c62370a8.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\smc32.exe	3b8a33c378a1ff4179cfb023c62370a8.exe
File opened for modification	C:\Windows\SysWOW64\smc32.exe	3b8a33c378a1ff4179cfb023c62370a8.exe
File opened for modification	C:\Windows\SysWOW64\key55.ini	3b8a33c378a1ff4179cfb023c62370a8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3292	3b8a33c378a1ff4179cfb023c62370a8.exe

C:\Users\Admin\AppData\Local\Temp\3b8a33c378a1ff4179cfb023c62370a8.exe
"C:\Users\Admin\AppData\Local\Temp\3b8a33c378a1ff4179cfb023c62370a8.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
PID:3292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3292-0-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3292-1-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/3292-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3292-6-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/3292-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads