d8d2c0a6211ddd04e09972bd79d1f06b272c14c238a648402d236d8125e0e5a1

General

Target

4e2c807c4d900d0f5315c6b87af00b61.exe
Size

16KB
MD5

4e2c807c4d900d0f5315c6b87af00b61
SHA1

8f8d8684c99fc7905bc644c9fa5f0e6e3fe6726a
SHA256

d8d2c0a6211ddd04e09972bd79d1f06b272c14c238a648402d236d8125e0e5a1
SHA512

1fd176da1821de3a0075caeacaf2d5b1254d7dd725c60a3a446b18ed278effdc10192b7288c06dd2bff320d51589a1b01e9f2812918b066e3df59dce0f217e33
SSDEEP

384:u7f+7/kW6cGdu/KE0CzgleRQTwz93rWN8:w2rWhC0lWjxB

Score

7^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000230fd-5.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	4e2c807c4d900d0f5315c6b87af00b61.exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32\ = "C:\\Windows\\SysWow64\\mst122.dll"	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32\ThreadingModel = "Apartment"	4e2c807c4d900d0f5315c6b87af00b61.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3732-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/files/0x00090000000230fd-5.dat	upx
behavioral2/memory/3732-8-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mst122.dll	4e2c807c4d900d0f5315c6b87af00b61.exe
File created	C:\Windows\SysWOW64\mst122.dll	4e2c807c4d900d0f5315c6b87af00b61.exe

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

System Information Discovery
T1082

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\PROTOCOLS	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\PROTOCOLS\Filter	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\PROTOCOLS\Filter\text/html\ = "Microsoft Default HTML MIME Filter"	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32\ = "C:\\Windows\\SysWow64\\mst122.dll"	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\PROTOCOLS\Filter\text/html	4e2c807c4d900d0f5315c6b87af00b61.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\WOW6432Node\CLSID\{9f328450-b7ae-4d0c-8a53-2156b0260526}\InProcServer32\ThreadingModel = "Apartment"	4e2c807c4d900d0f5315c6b87af00b61.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\PROTOCOLS\Filter\text/html\CLSID = "{9f328450-b7ae-4d0c-8a53-2156b0260526}"	4e2c807c4d900d0f5315c6b87af00b61.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3732	4e2c807c4d900d0f5315c6b87af00b61.exe
3732	4e2c807c4d900d0f5315c6b87af00b61.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3732	4e2c807c4d900d0f5315c6b87af00b61.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 432	3732	4e2c807c4d900d0f5315c6b87af00b61.exe	93
PID 3732 wrote to memory of 432	3732	4e2c807c4d900d0f5315c6b87af00b61.exe	93
PID 3732 wrote to memory of 432	3732	4e2c807c4d900d0f5315c6b87af00b61.exe	93

C:\Users\Admin\AppData\Local\Temp\4e2c807c4d900d0f5315c6b87af00b61.exe
"C:\Users\Admin\AppData\Local\Temp\4e2c807c4d900d0f5315c6b87af00b61.exe"
1⤵
- Checks computer location settings
- Registers COM server for autorun
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4E2C80~1.EXE > nul
  2⤵
  PID:432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3BB1.tmp

Filesize
8KB

MD5
635db9bc08e5ae52d598118c20069424

SHA1
0456a432afeb4bfca4b5b6cc72e9b7bf99656c1f

SHA256
f4ca992f65145e19ba4bede1522d54266e45c6f6c705a08190c8d10625f3bf4a

SHA512
0ef83d74bdd634860a70a71134dfefd663c8f7788164596b29161dccd62a3765c20f14667fe48ceaf94190d19435288ae0d008cd875cf360b6694a32f46d783e

Download Submit
memory/3732-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3732-8-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads