25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3

General

Target

25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe
Size

2.0MB
MD5

dff50956be43d791baf2f61bc96a56dd
SHA1

ca6fa6de7bf577100cf1a0aa34dea5b30d49c9ba
SHA256

25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3
SHA512

ff66a8025e069c327a6e0993a033d821dad74e3af7835402b0bfa8a4067eb0090450a54030dcf483c948c0628ac010a528357e69a57cab5b8a68ac6fa422f8b7
SSDEEP

49152:WFUcx88PWPOpX0SFufpDNc6dBA0hE+pBV7I9qwMyGc:W+K88uPCHIcf0m2V7I4yGc

Score

7^/10

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	8ACB.tmp

Executes dropped EXE 1 IoCs

pid	Process
1384	8ACB.tmp

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 2 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	8ACB.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor 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\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	8ACB.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2348	WINWORD.EXE
2348	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1384	8ACB.tmp

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2348	WINWORD.EXE
2348	WINWORD.EXE
2348	WINWORD.EXE
2348	WINWORD.EXE
2348	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1384	1152	25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe	83
PID 1152 wrote to memory of 1384	1152	25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe	83
PID 1152 wrote to memory of 1384	1152	25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe	83
PID 1384 wrote to memory of 2348	1384	8ACB.tmp	87
PID 1384 wrote to memory of 2348	1384	8ACB.tmp	87

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe
"C:\Users\Admin\AppData\Local\Temp\25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\8ACB.tmp
  "C:\Users\Admin\AppData\Local\Temp\8ACB.tmp" --splashC:\Users\Admin\AppData\Local\Temp\25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.exe EE3B9A5F9D08D39782ED57AF306AE36BF5A3CEA33EB374509B4E26520D20271876296919CC715E226CED3D4ECE5F64C6814A1FD1DC9F001A07C97D93362F9B7D
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\25c9aafbab06d87498d814e0f241a139f0eb02cb476438d12bc82ba8468cd9f3.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
C:\Users\Admin\AppData\Local\Temp\8ACB.tmp

Filesize
2.0MB

MD5
83c981429710ffc9241b2052639a5698

SHA1
6586d9f9e4b2bb20d16ba87a3e8b7020c3b43e7a

SHA256
925b7412d4e4395c880e3b0a0f55fc53d9dd98e5cfc5a1a3997d72fd2662d7dc

SHA512
ff196f9351d0c8cd593afa122ac2c14903673d65429cb911afa8b35817e65d2408916e4c9c34f89e805494f248645a386d2ee3e55bdfb2c986c3045069c4bd81

Download Submit
memory/1152-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/1384-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2348-24-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-21-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-25-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-28-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-30-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/2348-29-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-27-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-26-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/2348-13-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/2348-23-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-22-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-17-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-20-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-19-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-18-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/2348-16-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-15-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/2348-12-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download
memory/2348-11-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/2348-14-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/2348-43-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-44-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads