064652499494eca77cfd5892d76505e74257bbc1e3291d16f627a13835634e12

General

Target

a7ced57d7c42fb2002a9788cdb823f20N.exe
Size

495KB
MD5

a7ced57d7c42fb2002a9788cdb823f20
SHA1

6e20657124c2b18833c925dfeffe0c37032f07f6
SHA256

064652499494eca77cfd5892d76505e74257bbc1e3291d16f627a13835634e12
SHA512

dc732d218bfd47c1f41b32b43d71e75e0f6fa9ac5d7cbbc0dcf0686cb7321c5eb54b33625cfdb243f2cb316e42afa7487102198220fe0dac970f8bdb270b72dd
SSDEEP

12288:7tdPs2vQzUhRVwDnlO2WkbxeyiGE39moBdWs8Q:7tdPs2vQzW2R/wyiJ99d78Q

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a7ced57d7c42fb2002a9788cdb823f20N.exe

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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	a7ced57d7c42fb2002a9788cdb823f20N.exe

Executes dropped EXE 1 IoCs

pid	Process
3372	s8420.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s8420.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s8420.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s8420.exe
File created	C:\Windows\assembly\Desktop.ini	s8420.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s8420.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2360	1064	WerFault.exe	83

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	a7ced57d7c42fb2002a9788cdb823f20N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	a7ced57d7c42fb2002a9788cdb823f20N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1064	a7ced57d7c42fb2002a9788cdb823f20N.exe
1064	a7ced57d7c42fb2002a9788cdb823f20N.exe
3372	s8420.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	s8420.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3372	s8420.exe
3372	s8420.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 3372	1064	a7ced57d7c42fb2002a9788cdb823f20N.exe	86
PID 1064 wrote to memory of 3372	1064	a7ced57d7c42fb2002a9788cdb823f20N.exe	86

C:\Users\Admin\AppData\Local\Temp\a7ced57d7c42fb2002a9788cdb823f20N.exe
"C:\Users\Admin\AppData\Local\Temp\a7ced57d7c42fb2002a9788cdb823f20N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\n8420\s8420.exe
  "C:\Users\Admin\AppData\Local\Temp\n8420\s8420.exe" ins.exe /e5912518 /u50d1d9d5-cf90-407c-820a-35e05bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\a7ced57d7c42fb2002a9788cdb823f20N.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 4472
  2⤵
  - Program crash
  PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1064 -ip 1064
1⤵
PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n8420\s8420.exe

Filesize
273KB

MD5
b3853c10e12c5df3b7046457875de2ca

SHA1
dd5106111cb53c957a7691df2875d63885bdffda

SHA256
efc264e5170233f7c42f133adaa3b415b8a0e2f26624d23c0cd3488c4d3f8fb0

SHA512
0f61155ff2041d03ff1d79432b81e5a523f45a2d5e5de3ab21340a5b93bef30cdb9bc4fc6900bca8450fdfbffb22fa3f0d53b8a85a554861a0ac4c9bec2e39b3

Download Submit
memory/3372-11-0x00007FFA75215000-0x00007FFA75216000-memory.dmp

Filesize
4KB

Download
memory/3372-12-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-13-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-14-0x00000000008E0000-0x00000000008EA000-memory.dmp

Filesize
40KB

Download
memory/3372-17-0x000000001B640000-0x000000001BB0E000-memory.dmp

Filesize
4.8MB

Download
memory/3372-18-0x000000001BBB0000-0x000000001BC4C000-memory.dmp

Filesize
624KB

Download
memory/3372-19-0x00000000008A0000-0x00000000008A8000-memory.dmp

Filesize
32KB

Download
memory/3372-20-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-21-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-22-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-23-0x000000001F450000-0x000000001F4B2000-memory.dmp

Filesize
392KB

Download
memory/3372-24-0x000000001CE20000-0x000000001CF5C000-memory.dmp

Filesize
1.2MB

Download
memory/3372-25-0x000000001FD90000-0x000000002029E000-memory.dmp

Filesize
5.1MB

Download
memory/3372-26-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download
memory/3372-28-0x00007FFA74F60000-0x00007FFA75901000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads