c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac

General

Target

c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
Size

778KB
MD5

a2e4c63213cba0718d7a983af26934e7
SHA1

9a707c2e7d9848a202472e127bf439c01264d4e3
SHA256

c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac
SHA512

b38cbb9ea517f5b909af10963c1a53bbcda07b28b5c265b70110312438954d5f393529c2e00b35039923953a0eca9ee47ea161c0cd77976a87b51fa0ac6f33fc
SSDEEP

24576:N/RS9UUMZlJ1dDFzNTp3H79s34GNV9WTgFv:rS961NxZs3Ukv

Score

8^/10

evasion persistence themida

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}\stubpath = "C:\\Windows\\system32\\winrar.exe s"	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Active Setup\Installed Components	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Wine	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/744-54-0x0000000000400000-0x00000000004C6000-memory.dmp	themida
behavioral1/memory/744-55-0x0000000000400000-0x00000000004C6000-memory.dmp	themida

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\hahaaha = "C:\\Windows\\system32\\winrar.exe"	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\hahaaha = "C:\\Windows\\system32\\winrar.exe"	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winrar.exe	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
File created	C:\Windows\SysWOW64\winrar.exe	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 1376	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	15
PID 744 wrote to memory of 1376	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	15
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28
PID 744 wrote to memory of 2036	744	c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376
- C:\Users\Admin\AppData\Local\Temp\c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe
  "C:\Users\Admin\AppData\Local\Temp\c6e74cc61a1bc45ff91d9ed7c4554da8c71da529d2d4013d5d7fbab4356ac5ac.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/744-54-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/744-55-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads