3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4

Analysis

max time kernel
92s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2025, 20:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
Size

116KB
MD5

3abefcde2b20a36dcd3c79a672c3c160
SHA1

37b4d904dd0d876f3c86c02afd27f078e735f2d7
SHA256

3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4
SHA512

538e50f8d9dc6fdd2fba394fa47e730ef02b3e7602d93fc58373278d9211dfd4d6fedf5e1e7fd0762f220968a37a725953e5dd64f70e37fb4fcff7cf6712afcc
SSDEEP

1536:SgrbgkYur+eha3BzXSudZvIyEjG1fBclsc:SigkC3AuXvILjMBcKc

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	WinHe805.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinHe805.exe	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
File opened for modification	C:\Windows\SysWOW64\WinHe805.exe	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
File created	C:\Windows\SysWOW64\WinHe805.exe	WinHe805.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHe805.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
Token: SeIncBasePriorityPrivilege	1988	WinHe805.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1988	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	87
PID 2896 wrote to memory of 1988	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	87
PID 2896 wrote to memory of 1988	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	87
PID 2896 wrote to memory of 2536	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	88
PID 2896 wrote to memory of 2536	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	88
PID 2896 wrote to memory of 2536	2896	3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe	88
PID 1988 wrote to memory of 3044	1988	WinHe805.exe	89
PID 1988 wrote to memory of 3044	1988	WinHe805.exe	89
PID 1988 wrote to memory of 3044	1988	WinHe805.exe	89

C:\Users\Admin\AppData\Local\Temp\3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe
"C:\Users\Admin\AppData\Local\Temp\3f53fdc377204be1d112c4a84c1299a4978c70e9744557cade8a371b7aa08aa4N.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\WinHe805.exe
  "C:\Windows\system32\WinHe805.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /C del C:\Windows\SysWOW64\WinHe805.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3044
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\3F53FD~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\WinHe805.exe

Filesize
28.3MB

MD5
37b5e1e2e945d48a5907a0d75b4741fe

SHA1
3791faef45c3f5404442cba5e643b9c23ef1596e

SHA256
225267f795c8c89164d9afc15479787a5dbb787ed167eadaabcf2a1c6ff58c48

SHA512
37c9854c145d652e4e261b8da9508ef2883924cc1b94ab18443ab2ac2865c621416d6c52db88b19ef4dc7b944c5ad9885558c8f0e3673ed75252d8ea525a1063

Download Submit
memory/1988-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2896-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2896-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download