8205159d31de0c9d52254b4e1f826d3bf376ee07fcc0513586a6e825fc5fdba6

General

Target

73fb04d0cd1dadc886e793d72cd883a6.exe
Size

2.0MB
MD5

73fb04d0cd1dadc886e793d72cd883a6
SHA1

79580407fb2831b812a45e5655cdfba76234acfa
SHA256

8205159d31de0c9d52254b4e1f826d3bf376ee07fcc0513586a6e825fc5fdba6
SHA512

4a547d6110365f288e818ce1bd6511f9926f5ef021b88c707c30f002798ce0bf784ee959937b21f747d8a6ebfe23854959d3320a3325b74165b03e07a7f564e9
SSDEEP

49152:OFUcx88PWPOpX0SFD4mxn3SwdymiwPoARGQ8xWmwIJtyGc:O+K88uPCHtCwdhiwvL8ElgyGc

Score

7^/10

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	78BA.tmp

Executes dropped EXE 1 IoCs

pid	Process
3008	78BA.tmp

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

System Information Discovery
T1082

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\Local Settings	78BA.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4348	WINWORD.EXE
4348	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3008	78BA.tmp

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE
4348	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 3008	872	73fb04d0cd1dadc886e793d72cd883a6.exe	93
PID 872 wrote to memory of 3008	872	73fb04d0cd1dadc886e793d72cd883a6.exe	93
PID 872 wrote to memory of 3008	872	73fb04d0cd1dadc886e793d72cd883a6.exe	93
PID 3008 wrote to memory of 4348	3008	78BA.tmp	94
PID 3008 wrote to memory of 4348	3008	78BA.tmp	94

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\73fb04d0cd1dadc886e793d72cd883a6.exe
"C:\Users\Admin\AppData\Local\Temp\73fb04d0cd1dadc886e793d72cd883a6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:872
- C:\Users\Admin\AppData\Local\Temp\78BA.tmp
  "C:\Users\Admin\AppData\Local\Temp\78BA.tmp" --splashC:\Users\Admin\AppData\Local\Temp\73fb04d0cd1dadc886e793d72cd883a6.exe 2878A28A7B35A1D08D276DE915E2C9ED3B8C44D58EC260F44731669F78C7E1DE0D8696AF3B25FD3DC93D78F6FFA08CE80BFAB528EA006C83B783B6813E7A9475
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3008
- - 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\73fb04d0cd1dadc886e793d72cd883a6.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:4348

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\73fb04d0cd1dadc886e793d72cd883a6.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
C:\Users\Admin\AppData\Local\Temp\78BA.tmp

Filesize
2.0MB

MD5
24b11373ec063774a6057edf100cba05

SHA1
3bdc60f5f582b9a964d446145ad27d1e610990f2

SHA256
84386aa0339cc4ddc6cae9113c45f480504590dc6d04ad05c6c2ab6be063d723

SHA512
18457e142ccff81821d0a42ffb02711c9f9960b2c7418ad1f678b458d53c3c1bf1ed3792d311892293ca959b14d1469487e44ed5371847490d730e5280a40faf

Download Submit
memory/872-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/3008-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/4348-20-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-22-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-14-0x00007FF828370000-0x00007FF828380000-memory.dmp

Filesize
64KB

Download
memory/4348-15-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-13-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-16-0x00007FF828370000-0x00007FF828380000-memory.dmp

Filesize
64KB

Download
memory/4348-17-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-19-0x00007FF828370000-0x00007FF828380000-memory.dmp

Filesize
64KB

Download
memory/4348-11-0x00007FF828370000-0x00007FF828380000-memory.dmp

Filesize
64KB

Download
memory/4348-18-0x00007FF828370000-0x00007FF828380000-memory.dmp

Filesize
64KB

Download
memory/4348-21-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-12-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-23-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-24-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-25-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-26-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-27-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-28-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-29-0x00007FF825C30000-0x00007FF825C40000-memory.dmp

Filesize
64KB

Download
memory/4348-30-0x00007FF825C30000-0x00007FF825C40000-memory.dmp

Filesize
64KB

Download
memory/4348-40-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-44-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download
memory/4348-45-0x00007FF8682F0000-0x00007FF8684E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads