bcf4da127174d250938aa4e070a58803d9efe82127af5e0aca2c860ed8bad7ff

General

Target

c7441e08aa4bde63f234a7c674ead91a.exe
Size

2.0MB
MD5

c7441e08aa4bde63f234a7c674ead91a
SHA1

38159e227cc992a79b0210d8a39df4a2677692b1
SHA256

bcf4da127174d250938aa4e070a58803d9efe82127af5e0aca2c860ed8bad7ff
SHA512

8620a7b79ceb4879de78061144903fe3345dacd64a23e871d424b8b215bd71fdee8e3255a0b6bce5b2b8fde8a1aa3d25356c22c93d9d97b2eb531994193ece03
SSDEEP

49152:OFUcx88PWPOpX0SFhxmf8kIcyQD7tDmrwx+iqCRIyGc:O+K88uPCHjxmFIrQDJDlgf+IyGc

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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	444C.tmp

Executes dropped EXE 1 IoCs

pid	Process
4068	444C.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-1-5-21-399997616-3400990511-967324271-1000_Classes\Local Settings	444C.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
920	WINWORD.EXE
920	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4068	444C.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE
920	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4068	3200	c7441e08aa4bde63f234a7c674ead91a.exe	89
PID 3200 wrote to memory of 4068	3200	c7441e08aa4bde63f234a7c674ead91a.exe	89
PID 3200 wrote to memory of 4068	3200	c7441e08aa4bde63f234a7c674ead91a.exe	89
PID 4068 wrote to memory of 920	4068	444C.tmp	94
PID 4068 wrote to memory of 920	4068	444C.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\c7441e08aa4bde63f234a7c674ead91a.exe
"C:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\444C.tmp
  "C:\Users\Admin\AppData\Local\Temp\444C.tmp" --splashC:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.exe 4FF42BF484DA920F278B7A2E212419F6960F58D8391A996A46B104FDEC3396A8BDED02C7E8EF07A8E11610A5B7461C2DEE8570CF79ECD618D808F9FA07B2E91A
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4068
- - 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\c7441e08aa4bde63f234a7c674ead91a.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:920

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\444C.tmp

Filesize
1.1MB

MD5
6841aca27393946e17ddc2d352422b76

SHA1
41e18bb1fedee267b3e811aa247f87a0aa0d01e1

SHA256
d5e1ab8f70f2f64a7c1066253d4f13b8989cd96e4ecd0e331354bcda92127fb2

SHA512
a58dd67d71473c0ca55d0f7ab8567bb09bfda4221481591db83c4c97f20ce92d48aac47ede04ac62defc8b42a3d40c3c799fad96294195d09dde0ebac5cad75f

Download Submit
C:\Users\Admin\AppData\Local\Temp\444C.tmp

Filesize
1024KB

MD5
dc94bb69d89c25ede3d8146e94d51d38

SHA1
ea220eaf05a08b6f5e0f016ee8d3cf64794b5b65

SHA256
2e2f80cd45ebc2c5dee1460028a0b0072542efe695be5a0646557fadd79f3b57

SHA512
31943ea50e39fba90f1ef39ae5ce5befbbe33ad068ee8a8d48f26a1c40a61153639fae5130160ecbcb75ee7b926c01c35750c95ea37dc7527fd8376c65f44ec8

Download Submit
C:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/920-16-0x00007FFB281B0000-0x00007FFB281C0000-memory.dmp

Filesize
64KB

Download
memory/920-18-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-11-0x00007FFB281B0000-0x00007FFB281C0000-memory.dmp

Filesize
64KB

Download
memory/920-13-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-14-0x00007FFB281B0000-0x00007FFB281C0000-memory.dmp

Filesize
64KB

Download
memory/920-12-0x00007FFB281B0000-0x00007FFB281C0000-memory.dmp

Filesize
64KB

Download
memory/920-15-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-40-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-17-0x00007FFB281B0000-0x00007FFB281C0000-memory.dmp

Filesize
64KB

Download
memory/920-39-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-19-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-20-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-21-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-22-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-23-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-24-0x00007FFB260F0000-0x00007FFB26100000-memory.dmp

Filesize
64KB

Download
memory/920-25-0x00007FFB68130000-0x00007FFB68325000-memory.dmp

Filesize
2.0MB

Download
memory/920-26-0x00007FFB260F0000-0x00007FFB26100000-memory.dmp

Filesize
64KB

Download
memory/3200-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/4068-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads