5e20c276fac39a67b690ea078f1ef488c4623f33b94b1ab15d1983b3eeb962cc

General

Target

ab89765475870055185af16aa054e783.exe
Size

2.0MB
MD5

ab89765475870055185af16aa054e783
SHA1

c51f015a7af6c48430071249b6186c768b9a2583
SHA256

5e20c276fac39a67b690ea078f1ef488c4623f33b94b1ab15d1983b3eeb962cc
SHA512

9a3b7dd06ba605d686247ace58dfb972af2759360d64db67b8ce7ad93335f25a53ce0b9dfbe2698934e85bd2d8f1046d709f76ab03228af1d62c3e0ed5d26f22
SSDEEP

49152:WFUcx88PWPOpX0SFwjwJst1ZmnGVauHee7OafC5EylaJYKBV6XbyGc:W+K88uPCHOF1ZmGlHtOafPylaJKyGc

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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	9C01.tmp

Executes dropped EXE 1 IoCs

pid	Process
2116	9C01.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 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-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings	9C01.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1016	WINWORD.EXE
1016	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2116	9C01.tmp

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE
1016	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2116	1368	ab89765475870055185af16aa054e783.exe	90
PID 1368 wrote to memory of 2116	1368	ab89765475870055185af16aa054e783.exe	90
PID 1368 wrote to memory of 2116	1368	ab89765475870055185af16aa054e783.exe	90
PID 2116 wrote to memory of 1016	2116	9C01.tmp	93
PID 2116 wrote to memory of 1016	2116	9C01.tmp	93

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\ab89765475870055185af16aa054e783.exe
"C:\Users\Admin\AppData\Local\Temp\ab89765475870055185af16aa054e783.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Users\Admin\AppData\Local\Temp\9C01.tmp
  "C:\Users\Admin\AppData\Local\Temp\9C01.tmp" --splashC:\Users\Admin\AppData\Local\Temp\ab89765475870055185af16aa054e783.exe 45FAE49549D5A199D67E466246D865574815DE7445B55C8A36304111BD108B86B8FA1E2760FFB7DC679EEF49B171E71B27BA01AD0A36F6E11CC15FA5408E0021
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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\ab89765475870055185af16aa054e783.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1016

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\9C01.tmp

Filesize
2.0MB

MD5
891e13ffb26b58c68dd1e03ab30ccf5e

SHA1
f4f6896a98bf4417c018a0d4985eb23e1a78a74c

SHA256
0dee05a2944148d3048547b4ac00b91c141c39f45dbdf0c79e54927d17d0240b

SHA512
c21d4f50e3df21f50d8b44edb73f2776669728049a5f22b7b10ce6864c733b57cd22e8ce056c3f6f14aed34973f20d235cf89c795fadf3886dcb2f59842a310c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ab89765475870055185af16aa054e783.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/1016-21-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-43-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-22-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

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memory/1016-12-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

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memory/1016-13-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-14-0x00007FFD5DA10000-0x00007FFD5DA20000-memory.dmp

Filesize
64KB

Download
memory/1016-15-0x00007FFD5DA10000-0x00007FFD5DA20000-memory.dmp

Filesize
64KB

Download
memory/1016-16-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-19-0x00007FFD5DA10000-0x00007FFD5DA20000-memory.dmp

Filesize
64KB

Download
memory/1016-18-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-17-0x00007FFD5DA10000-0x00007FFD5DA20000-memory.dmp

Filesize
64KB

Download
memory/1016-20-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-11-0x00007FFD5DA10000-0x00007FFD5DA20000-memory.dmp

Filesize
64KB

Download
memory/1016-42-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-30-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

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memory/1016-24-0x00007FFD5B5B0000-0x00007FFD5B5C0000-memory.dmp

Filesize
64KB

Download
memory/1016-25-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-26-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-28-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-29-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-27-0x00007FFD5B5B0000-0x00007FFD5B5C0000-memory.dmp

Filesize
64KB

Download
memory/1016-23-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-31-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-32-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1016-33-0x00007FFD9D990000-0x00007FFD9DB85000-memory.dmp

Filesize
2.0MB

Download
memory/1368-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2116-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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