58b50486698b3f166fb5aaf9ce08dc2f05a2732e8263507b8dcea62034ca6230

General

Target

a45c180893d07ad8b8bac4f89e3ffcda.exe
Size

2.0MB
MD5

a45c180893d07ad8b8bac4f89e3ffcda
SHA1

96289ac5daa11a54be812f1324a343c33580430e
SHA256

58b50486698b3f166fb5aaf9ce08dc2f05a2732e8263507b8dcea62034ca6230
SHA512

852b6a529f3740295412a1507955bf13b7b422d122b43f3f3b4c1d497eda65cc43483da6de8433789bd079139c1c0aa47203bb684b477737a518b239d601c472
SSDEEP

49152:OFUcx88PWPOpX0SFDBCyLk8rc/+bPQRW5pAEyGc:O+K88uPCHtiT/+bouAEyGc

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-1-5-21-2828415587-3732861812-1919322417-1000\Control Panel\International\Geo\Nation	D958.tmp

Executes dropped EXE 1 IoCs

pid	Process
2044	D958.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-1-5-21-2828415587-3732861812-1919322417-1000_Classes\Local Settings	D958.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1428	WINWORD.EXE
1428	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2044	D958.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE
1428	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2044	1548	a45c180893d07ad8b8bac4f89e3ffcda.exe	89
PID 1548 wrote to memory of 2044	1548	a45c180893d07ad8b8bac4f89e3ffcda.exe	89
PID 1548 wrote to memory of 2044	1548	a45c180893d07ad8b8bac4f89e3ffcda.exe	89
PID 2044 wrote to memory of 1428	2044	D958.tmp	93
PID 2044 wrote to memory of 1428	2044	D958.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\a45c180893d07ad8b8bac4f89e3ffcda.exe
"C:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\D958.tmp
  "C:\Users\Admin\AppData\Local\Temp\D958.tmp" --splashC:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.exe 9F230F461AB59E724CACDD1E74DEB625267CC8AB66ACCC86FFD3640A6341828346E42576B244C5A56E65561392A6C7016BC99C9B960387D03FD6295D53B7C0EC
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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\a45c180893d07ad8b8bac4f89e3ffcda.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1428

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\D958.tmp

Filesize
1.2MB

MD5
57be250b98fb12f7ce1fcc55e03ce15b

SHA1
2bd027d82482c0645cd01931f5ffcd5e0a0bdbee

SHA256
aae0ea3b4ff75298d12581c1882a7e5f13ced74b79af89da0c5627070906f6c4

SHA512
dbf10e5fa205779ef5ddda21077eb5b1586746ba4be5b8461771c5e0c134b531149a4df1bc796c8ffcce30a4647b36c1242749a15641770a3bc63db909d3a0c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\D958.tmp

Filesize
1.4MB

MD5
49d62f0658b7469eff8f94d85656c8a3

SHA1
541cba970f32486061c17f456280d172768b3e11

SHA256
43a4f7e872a794f27c33ca1fc217694b4a7636bf23cc66c469d8adb2c854b6c0

SHA512
c8a299b237c0b8e63b77e21c0f4daa0991b25f5d817b7d36bfee2d05f3f01dee789076e0aac990293f67be37e94b75d1648102c1fd368a7392faced9e5468694

Download Submit
C:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/1428-20-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-22-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-11-0x00007FFCF8A30000-0x00007FFCF8A40000-memory.dmp

Filesize
64KB

Download
memory/1428-13-0x00007FFCF8A30000-0x00007FFCF8A40000-memory.dmp

Filesize
64KB

Download
memory/1428-14-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-15-0x00007FFCF8A30000-0x00007FFCF8A40000-memory.dmp

Filesize
64KB

Download
memory/1428-16-0x00007FFCF8A30000-0x00007FFCF8A40000-memory.dmp

Filesize
64KB

Download
memory/1428-17-0x00007FFCF8A30000-0x00007FFCF8A40000-memory.dmp

Filesize
64KB

Download
memory/1428-12-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-18-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-19-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-44-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-21-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-34-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-24-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-23-0x00007FFCF61D0000-0x00007FFCF61E0000-memory.dmp

Filesize
64KB

Download
memory/1428-25-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-26-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-27-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-28-0x00007FFCF61D0000-0x00007FFCF61E0000-memory.dmp

Filesize
64KB

Download
memory/1428-29-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-30-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-31-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-32-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1428-33-0x00007FFD389B0000-0x00007FFD38BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1548-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2044-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads