db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253

General

Target

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
Size

245KB
MD5

2f295285aa65cbe996257e8d42de7a4a
SHA1

4a4e1766f4f68afb370437cc6973787d12116661
SHA256

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253
SHA512

eec08a8a5b7361c17bb52e7c344e596de45d357ea83c964e7a313140b6c0860cc89156bc4ad3484163cb77cbc22ad4c35893d24b86360040490c914f074de6be
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8tkgnYHfQlAq:o68i3odBiTl2+TCU/Kk8KfQlE7q

Score

7^/10

discovery 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

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation cmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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

Processes:

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe

Drops file in Windows directory 12 IoCs

Processes:

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe

description	ioc	process
File created	C:\Windows\bugMAKER.bat	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\winhash_up.exe	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\winhash_up.exez	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File opened for modification	C:\Windows\winhash_up.exez	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

4696 cmd.exe

pid	process
4696	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe

description	pid	process	target process
PID 232 wrote to memory of 4696	232	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe	cmd.exe
PID 232 wrote to memory of 4696	232	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe	cmd.exe
PID 232 wrote to memory of 4696	232	db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe
"C:\Users\Admin\AppData\Local\Temp\db77c45c3f003c0b27bb0b0caef5d4defa9791e53d6cc71f8b526ba6995b8253.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
108B

MD5
a3002135ef1bbde27e226ebf90c78d39

SHA1
cd1b48316a2c6ac5283842798de208731251e59c

SHA256
caa59a62c9c537786c70ac4ec63b0123bd39a7dd47039c88b2737633a41c904e

SHA512
6cf8705635096961cf60f308c906fe221856fadcb5a237e8dde1d39eb1a51ba4b5af1ce88c10f5aafded309d5786e459877042e9e0bd4cdb782de5b0d0ee8d78

Download Submit
memory/232-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads