dc1cd6e7cb3b717a9f4958777cbab775ec118cb2b326191d655c455f2bfc2169

Analysis

max time kernel
91s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 21:12

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General

Target

8a8b27cd30eca23ce2f317522db415ee.exe
Size

234KB
MD5

8a8b27cd30eca23ce2f317522db415ee
SHA1

23beb661ebe0fcb4a670220e2de75c916170b88a
SHA256

dc1cd6e7cb3b717a9f4958777cbab775ec118cb2b326191d655c455f2bfc2169
SHA512

7cd95ec1f932846a8cdf3ce60b11b4d5b37b3f239ff99210c5356c9b78737b82f2b54e37c41d22a22aebe0414f1fc1db4f67fac29d8a6653bf63a352e65deb18
SSDEEP

6144:o68i3odBiTl2+TCU/89/tkqxrqLckP+xR:TNodBiTI+TpQ/DrVkP+xR

Score

7^/10

persistence

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	8a8b27cd30eca23ce2f317522db415ee.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon7.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\bugMAKER.bat	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\winhash_up.exez	8a8b27cd30eca23ce2f317522db415ee.exe
File opened for modification	C:\Windows\winhash_up.exez	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\winhash_up.exe	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	8a8b27cd30eca23ce2f317522db415ee.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	8a8b27cd30eca23ce2f317522db415ee.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 1748	2704	8a8b27cd30eca23ce2f317522db415ee.exe	86
PID 2704 wrote to memory of 1748	2704	8a8b27cd30eca23ce2f317522db415ee.exe	86
PID 2704 wrote to memory of 1748	2704	8a8b27cd30eca23ce2f317522db415ee.exe	86

C:\Users\Admin\AppData\Local\Temp\8a8b27cd30eca23ce2f317522db415ee.exe
"C:\Users\Admin\AppData\Local\Temp\8a8b27cd30eca23ce2f317522db415ee.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
e94914bcf5c8e680b4ff075485c5603d

SHA1
c7ffcad96dc16a2b0cbfaf8310ea086a8814d1d0

SHA256
317239c5c187c6d80fcbc3aea5e586328f164f05a000c0f4c6b1541e6e24bdff

SHA512
cd15c279c1ed2eb33b63f199b3894f9dbccb78a1d4478e3448316638cea6dec05b76c25e24682734a24b60efde9d1d24be4befae3cba2d810bcb36f5a9968cb1

Download Submit
memory/2704-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads