77e591b08fd1171d2f3f8f653306be30a1d1532681a9d0548bd345b8b5282916

General

Target

70a99e06e1b75935dd0d14c5281e6291.exe
Size

460KB
MD5

70a99e06e1b75935dd0d14c5281e6291
SHA1

8749e19f91669ce87998b7d74e73336deaa1e47d
SHA256

77e591b08fd1171d2f3f8f653306be30a1d1532681a9d0548bd345b8b5282916
SHA512

daefd406334d238630688bc12fd9a5334b344224d8acaee2e3bc7a346a00160af3d54bff659f835e470783127d7a52d895149cc983d8e21fea959339bbe14d61
SSDEEP

6144:0A4psmawWIrFUJe5X8bbU1oZXPzHRtLnRTHawml5il9uuWzGzFmV+IzlsHZ:0oJe5X8b7Z/zxtLndawsspWyz6I5

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	4CD8.tmp

Executes dropped EXE 1 IoCs

pid	Process
224	4CD8.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-1-5-21-3791175113-1062217823-1177695025-1000_Classes\Local Settings	4CD8.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4476	WINWORD.EXE
4476	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
224	4CD8.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 224	1184	70a99e06e1b75935dd0d14c5281e6291.exe	85
PID 1184 wrote to memory of 224	1184	70a99e06e1b75935dd0d14c5281e6291.exe	85
PID 1184 wrote to memory of 224	1184	70a99e06e1b75935dd0d14c5281e6291.exe	85
PID 224 wrote to memory of 4476	224	4CD8.tmp	90
PID 224 wrote to memory of 4476	224	4CD8.tmp	90

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\70a99e06e1b75935dd0d14c5281e6291.exe
"C:\Users\Admin\AppData\Local\Temp\70a99e06e1b75935dd0d14c5281e6291.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\4CD8.tmp
  "C:\Users\Admin\AppData\Local\Temp\4CD8.tmp" --helpC:\Users\Admin\AppData\Local\Temp\70a99e06e1b75935dd0d14c5281e6291.exe DFA94D58621B8C7D059BA44A7C6EEF52BF7D14C7FB1BDED734254837837AD181B2D4690FD5E914749C1BFFDCD3CA95F544DA386DF6C30F452CCD4812F2F8B5C8
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:224
- - 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\70a99e06e1b75935dd0d14c5281e6291.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:4476

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\4CD8.tmp

Filesize
460KB

MD5
4a2cb87727675e813ac325e3086afff2

SHA1
0d41c6b7cfd6976e581e0c61cd84bdccf4613abe

SHA256
0904cebb2c05c59b2e9f4eb0809a514174bc440cb0241c182d1224f85852e603

SHA512
fe7765f8ebf0e0f5115980634a233148c982f7950d4202a0831dcc4c54a7688836b588189242cca75bd44837f2ad1519c5092cc52db8a0b93bbe1af4e3f0728f

Download Submit
C:\Users\Admin\AppData\Local\Temp\70a99e06e1b75935dd0d14c5281e6291.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
memory/4476-9-0x00007FFB26430000-0x00007FFB26440000-memory.dmp

Filesize
64KB

Download
memory/4476-10-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-12-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-13-0x00007FFB26430000-0x00007FFB26440000-memory.dmp

Filesize
64KB

Download
memory/4476-14-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-17-0x00007FFB26430000-0x00007FFB26440000-memory.dmp

Filesize
64KB

Download
memory/4476-16-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-15-0x00007FFB26430000-0x00007FFB26440000-memory.dmp

Filesize
64KB

Download
memory/4476-18-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-11-0x00007FFB26430000-0x00007FFB26440000-memory.dmp

Filesize
64KB

Download
memory/4476-20-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-22-0x00007FFB23AD0000-0x00007FFB23AE0000-memory.dmp

Filesize
64KB

Download
memory/4476-21-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-19-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-23-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-24-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-25-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-26-0x00007FFB23AD0000-0x00007FFB23AE0000-memory.dmp

Filesize
64KB

Download
memory/4476-27-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-30-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-29-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-28-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-43-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download
memory/4476-44-0x00007FFB663B0000-0x00007FFB665A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads