c9e372c31191a2bb1f1336362a096437fa536ffbfbb72e81e365821b89267793

General

Target

a00dac0b4a10fa685e690bf4495fd3c0N.exe
Size

100KB
MD5

a00dac0b4a10fa685e690bf4495fd3c0
SHA1

fbe4f5d4608d28dac380b917fc1926666cafee0a
SHA256

c9e372c31191a2bb1f1336362a096437fa536ffbfbb72e81e365821b89267793
SHA512

af64e04c6a425a8306c03c9bfd2e9761d7df9915e828901fce408a1d728e1ffb5eeb220ec8b69033f9f086a3c9bbec85d12acfda60d3b0d6f1f6ca59463b0fe6
SSDEEP

1536:i7jefyvmr27iTa2ztrIx67LTtiHNC6LarhbmJADrn6bGSkgkt/8rO2KJCiWsqfKv:K+qmTa2ztaITUHNC6LawADlp+i

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	a00dac0b4a10fa685e690bf4495fd3c0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2972	gaofue.exe

Loads dropped DLL 7 IoCs

pid	Process
2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe
2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.exe
1780	WerFault.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\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaofue = "C:\\Users\\Admin\\gaofue.exe /v"	a00dac0b4a10fa685e690bf4495fd3c0N.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a00dac0b4a10fa685e690bf4495fd3c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a00dac0b4a10fa685e690bf4495fd3c0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	2972	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a00dac0b4a10fa685e690bf4495fd3c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gaofue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a00dac0b4a10fa685e690bf4495fd3c0N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe
2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe
2972	gaofue.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 1752 wrote to memory of 2392	1752	a00dac0b4a10fa685e690bf4495fd3c0N.exe	29
PID 2392 wrote to memory of 2972	2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe	30
PID 2392 wrote to memory of 2972	2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe	30
PID 2392 wrote to memory of 2972	2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe	30
PID 2392 wrote to memory of 2972	2392	a00dac0b4a10fa685e690bf4495fd3c0N.exe	30
PID 2972 wrote to memory of 1780	2972	gaofue.exe	31
PID 2972 wrote to memory of 1780	2972	gaofue.exe	31
PID 2972 wrote to memory of 1780	2972	gaofue.exe	31
PID 2972 wrote to memory of 1780	2972	gaofue.exe	31

C:\Users\Admin\AppData\Local\Temp\a00dac0b4a10fa685e690bf4495fd3c0N.exe
"C:\Users\Admin\AppData\Local\Temp\a00dac0b4a10fa685e690bf4495fd3c0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\a00dac0b4a10fa685e690bf4495fd3c0N.exe
  74
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Loads dropped DLL
  - Adds Run key to start application
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\gaofue.exe
    "C:\Users\Admin\gaofue.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 420
      4⤵
      Loads dropped DLL
      Program crash
      PID:1780

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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

\Users\Admin\gaofue.exe

Filesize
100KB

MD5
a00dac0b4a10fa685e690bf4495fd3c0

SHA1
fbe4f5d4608d28dac380b917fc1926666cafee0a

SHA256
c9e372c31191a2bb1f1336362a096437fa536ffbfbb72e81e365821b89267793

SHA512
af64e04c6a425a8306c03c9bfd2e9761d7df9915e828901fce408a1d728e1ffb5eeb220ec8b69033f9f086a3c9bbec85d12acfda60d3b0d6f1f6ca59463b0fe6

Download Submit
memory/2392-28-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-25-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-26-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-27-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-29-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-30-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-31-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-32-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-33-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-34-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2392-35-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads