5b4bfe9205f8f22a4e08846021f2e3c77835b464d5cf2070abca39158c5468f9

General

Target

05e2114cd803d1exe_JC.exe
Size

462KB
MD5

05e2114cd803d17773b8349e013cc743
SHA1

7deb8953b952715f6b3f56f9759aa83a36723eb5
SHA256

5b4bfe9205f8f22a4e08846021f2e3c77835b464d5cf2070abca39158c5468f9
SHA512

879005c2db98e56dac7be9f901bf609d919266c53032a2cb0060158c1a9799f8f9b9c399852e66fbc3575aa0bbaa0ed51a2e9865fbb2d915ef2f7040f04f7e6c
SSDEEP

12288:zJrIik3VcApwH2l8IACW+B+KYN7k0CB3hTYM9:zJrU3VlpwquFrKSo0Cj5

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	920E.tmp

Executes dropped EXE 1 IoCs

pid	Process
1244	920E.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-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings	920E.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1984	WINWORD.EXE
1984	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1244	920E.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE
1984	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1244	4544	05e2114cd803d1exe_JC.exe	83
PID 4544 wrote to memory of 1244	4544	05e2114cd803d1exe_JC.exe	83
PID 4544 wrote to memory of 1244	4544	05e2114cd803d1exe_JC.exe	83
PID 1244 wrote to memory of 1984	1244	920E.tmp	87
PID 1244 wrote to memory of 1984	1244	920E.tmp	87

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\05e2114cd803d1exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\05e2114cd803d1exe_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\920E.tmp
  "C:\Users\Admin\AppData\Local\Temp\920E.tmp" --helpC:\Users\Admin\AppData\Local\Temp\05e2114cd803d1exe_JC.exe 3A809C77D6300D5BE789EA21D58E85992A9CC20E97AF94475CFC59F4E53D5FBAB06FC1FEB7BB008BE6C4B0FF1D707792BAAAADE48C6AA4D35B8CAAB290815FB1
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1244
- - 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\05e2114cd803d1exe_JC.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1984

Network

MITRE ATT&CK Enterprise v6

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\05e2114cd803d1exe_JC.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
C:\Users\Admin\AppData\Local\Temp\05e2114cd803d1exe_JC.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
C:\Users\Admin\AppData\Local\Temp\920E.tmp

Filesize
462KB

MD5
b4e6c7580d056e8f58d1380938e8317c

SHA1
0cf4cd2def00fe6fa1a9db892b90596c3a66a960

SHA256
9926b12bef59f68b87ffb04e5b984b2925d428d71b047d84701c4cb0819fb6fd

SHA512
e303f41c14d8239d6c5348fbe16da4cb62abe60e4c18f9893992439ba91abd329c8bfaa7dbf56641092642e87fbb68487f8d05929dd9fbc0e4a81dfff7814327

Download Submit
C:\Users\Admin\AppData\Local\Temp\920E.tmp

Filesize
462KB

MD5
b4e6c7580d056e8f58d1380938e8317c

SHA1
0cf4cd2def00fe6fa1a9db892b90596c3a66a960

SHA256
9926b12bef59f68b87ffb04e5b984b2925d428d71b047d84701c4cb0819fb6fd

SHA512
e303f41c14d8239d6c5348fbe16da4cb62abe60e4c18f9893992439ba91abd329c8bfaa7dbf56641092642e87fbb68487f8d05929dd9fbc0e4a81dfff7814327

Download Submit
memory/1984-155-0x00007FFCE9410000-0x00007FFCE9420000-memory.dmp

Filesize
64KB

Download
memory/1984-161-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-146-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-147-0x00007FFCEB710000-0x00007FFCEB720000-memory.dmp

Filesize
64KB

Download
memory/1984-148-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-145-0x00007FFCEB710000-0x00007FFCEB720000-memory.dmp

Filesize
64KB

Download
memory/1984-149-0x00007FFCEB710000-0x00007FFCEB720000-memory.dmp

Filesize
64KB

Download
memory/1984-151-0x00007FFCEB710000-0x00007FFCEB720000-memory.dmp

Filesize
64KB

Download
memory/1984-152-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-153-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-150-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-154-0x00007FFCE9410000-0x00007FFCE9420000-memory.dmp

Filesize
64KB

Download
memory/1984-143-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-142-0x00007FFCEB710000-0x00007FFCEB720000-memory.dmp

Filesize
64KB

Download
memory/1984-160-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-144-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-162-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-163-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-164-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-165-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-166-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-167-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-168-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-169-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-170-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-171-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-172-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-173-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download
memory/1984-174-0x00007FFD2B690000-0x00007FFD2B885000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads