eb69a6b553255baaf7c7a05d8ebeaf3e984098f685246bdba3d6513185187083

General

Target

67c6d93d5aa88d338a5ae0918ef98002.exe
Size

2.0MB
MD5

67c6d93d5aa88d338a5ae0918ef98002
SHA1

6c857b3b3b031598bd23e4c8c0308498dda3eb3d
SHA256

eb69a6b553255baaf7c7a05d8ebeaf3e984098f685246bdba3d6513185187083
SHA512

cca00a1932c9b76d67cb508e2213b8c4150248f8b39b22cff100e71c770bb3f85388bb3ca5f16ab7ef36570efa620d6c2adc77965cf34f3958c5a77673eb607d
SSDEEP

49152:OFUcx88PWPOpX0SFPX5du0t3GtH1SRP09k6yGc:O+K88uPCHvL3mSR8q6yGc

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	3CBB.tmp

Executes dropped EXE 1 IoCs

pid	Process
2520	3CBB.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-1-5-21-1168293393-3419776239-306423207-1000_Classes\Local Settings	3CBB.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3748	WINWORD.EXE
3748	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2520	3CBB.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE
3748	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2520	1096	67c6d93d5aa88d338a5ae0918ef98002.exe	44
PID 1096 wrote to memory of 2520	1096	67c6d93d5aa88d338a5ae0918ef98002.exe	44
PID 1096 wrote to memory of 2520	1096	67c6d93d5aa88d338a5ae0918ef98002.exe	44
PID 2520 wrote to memory of 3748	2520	3CBB.tmp	94
PID 2520 wrote to memory of 3748	2520	3CBB.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\67c6d93d5aa88d338a5ae0918ef98002.exe
"C:\Users\Admin\AppData\Local\Temp\67c6d93d5aa88d338a5ae0918ef98002.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\3CBB.tmp
  "C:\Users\Admin\AppData\Local\Temp\3CBB.tmp" --splashC:\Users\Admin\AppData\Local\Temp\67c6d93d5aa88d338a5ae0918ef98002.exe DA5A51BB6CB676653CAD281FE06541B15C2466F10F3FCD943E3845AEFCD714163569132F11F74AE595385F061CEF3FE53B65C0F8592E26062585D520DAF9C8AC
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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\67c6d93d5aa88d338a5ae0918ef98002.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:3748

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\3CBB.tmp

Filesize
13KB

MD5
a561871832a3e275d04e851651f8b631

SHA1
25a6214e946623a7dbbf34d85aa37b1284cac331

SHA256
942c2640cd9e6ee6d1409b29651ae5015afc14d2f65969d2e6448083207b12e7

SHA512
f7484482d8e63ed817304cf01e9cae2d43ce8e77f115f6501682df76954809c367c7584dffe8096076aa89298abd0ed12c330ffa160745bd657e54389101283c

Download Submit
C:\Users\Admin\AppData\Local\Temp\3CBB.tmp

Filesize
746KB

MD5
d00728578bf47d07adff4e1f761c7942

SHA1
65fd36c2cd86e145ea511527736a94d5a4f22848

SHA256
65f6019229f101ed3e933ee8c46802b6e008ccdcb80d8b732c3931e5d144ed9e

SHA512
4b1b496fe2bfb0201f68df4015d3347eab173d1cd6156946ae42e917eadfac2f6d6e83452930492a096c3fe74ced4013d85a44970c7cfa0e25b93a897514c873

Download Submit
C:\Users\Admin\AppData\Local\Temp\67c6d93d5aa88d338a5ae0918ef98002.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/1096-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2520-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/3748-18-0x00007FFCC9E90000-0x00007FFCC9EA0000-memory.dmp

Filesize
64KB

Download
memory/3748-26-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-21-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-22-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-23-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-25-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-24-0x00007FFCC7800000-0x00007FFCC7810000-memory.dmp

Filesize
64KB

Download
memory/3748-20-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-15-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-17-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-16-0x00007FFCC9E90000-0x00007FFCC9EA0000-memory.dmp

Filesize
64KB

Download
memory/3748-19-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-14-0x00007FFCC9E90000-0x00007FFCC9EA0000-memory.dmp

Filesize
64KB

Download
memory/3748-27-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-28-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-13-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-29-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-31-0x00007FFCC7800000-0x00007FFCC7810000-memory.dmp

Filesize
64KB

Download
memory/3748-30-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-32-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download
memory/3748-12-0x00007FFCC9E90000-0x00007FFCC9EA0000-memory.dmp

Filesize
64KB

Download
memory/3748-11-0x00007FFCC9E90000-0x00007FFCC9EA0000-memory.dmp

Filesize
64KB

Download
memory/3748-45-0x00007FFD09E10000-0x00007FFD0A005000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads