4cf1c304f77df7bdf4d7768602b4749e4569b91724cb7466090a80425c12e0a9

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 16:00

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General

Target

Holiday.exe
Size

80KB
MD5

7c337668aa535fb5bf4f544257b14e6a
SHA1

ddb3dd9a43e8154469932a4a02ca54f02f351cf3
SHA256

29222997a84ca691767245a9230f18ece9a4049fd48b39d8f3f207092e28022b
SHA512

071d40b4671cd13e4ee55beab142095fdd781832cfb32500bb629e2a937c4602f46371eff4210dff769bc14a29b79faf55f9f1f9675316a031fd0e7cb163cff3
SSDEEP

1536:ofwbYGb0vRpmKb4vYhCpd5Mlty1wI85u8Sz7IIdIggmj6sZYZ2SYyiJ/mH:zvUmKMAhCpYW1nY6y2/Y

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Wnuth.vbs	Holiday.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4784	2820	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Holiday.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	Holiday.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	Holiday.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2820	Holiday.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	Holiday.exe
Token: SeDebugPrivilege	2820	Holiday.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 4784	2820	Holiday.exe	30
PID 2820 wrote to memory of 4784	2820	Holiday.exe	30
PID 2820 wrote to memory of 4784	2820	Holiday.exe	30
PID 2820 wrote to memory of 4784	2820	Holiday.exe	30

C:\Users\Admin\AppData\Local\Temp\Holiday.exe
"C:\Users\Admin\AppData\Local\Temp\Holiday.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 1704
  2⤵
  - Program crash
  PID:4784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2820-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2820-1-0x0000000000330000-0x0000000000348000-memory.dmp

Filesize
96KB

Download
memory/2820-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-3-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2820-4-0x0000000006430000-0x0000000006542000-memory.dmp

Filesize
1.1MB

Download
memory/2820-5-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-6-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-22-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-24-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-8-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-30-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-28-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-26-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-20-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-18-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-16-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-14-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-12-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-10-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-42-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-68-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-66-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-64-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-62-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-60-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-58-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-56-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-54-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-52-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-50-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-48-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-46-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-44-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-40-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-38-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-36-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-34-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-32-0x0000000006430000-0x000000000653B000-memory.dmp

Filesize
1.0MB

Download
memory/2820-1323-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2820-1324-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-1325-0x00000000055C0000-0x000000000562C000-memory.dmp

Filesize
432KB

Download
memory/2820-1326-0x0000000005BD0000-0x0000000005C3A000-memory.dmp

Filesize
424KB

Download
memory/2820-1327-0x0000000005D60000-0x0000000005DAC000-memory.dmp

Filesize
304KB

Download
memory/2820-1328-0x0000000005DB0000-0x0000000005E04000-memory.dmp

Filesize
336KB

Download
memory/2820-1331-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-1332-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download