f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808

General

Target

f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe
Size

196KB
MD5

2ad48c74b3e65e30ae3c1859829f758f
SHA1

afc5e2e0de12179e13f259314f72695e3f7578f0
SHA256

f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808
SHA512

ab617322796364abcae65e44af89abf596f4d402ff4d29a372aea001dc7d29236aa263d84c15d059e16770c5778cbb24a66227e8ecefec55e3c9e4d19a224312
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4864	ongsq.exe

Executes dropped EXE 2 IoCs

pid	Process
4864	ongsq.exe
4668	yywfxqgfo.exe

Loads dropped DLL 1 IoCs

pid	Process
4668	yywfxqgfo.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\arqhp\\yywfxqgfo.exe \"c:\\Program Files\\arqhp\\yywfxqgfo.dll\",Compliance"	yywfxqgfo.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\a:	yywfxqgfo.exe
File opened (read-only)	\??\b:	yywfxqgfo.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	yywfxqgfo.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\arqhp	ongsq.exe
File created	\??\c:\Program Files\arqhp\yywfxqgfo.dll	ongsq.exe
File created	\??\c:\Program Files\arqhp\yywfxqgfo.exe	ongsq.exe
File opened for modification	\??\c:\Program Files\arqhp\yywfxqgfo.exe	ongsq.exe

Checks processor information in registry 2 TTPs 2 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	yywfxqgfo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	yywfxqgfo.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1084	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4668	yywfxqgfo.exe
4668	yywfxqgfo.exe
4668	yywfxqgfo.exe
4668	yywfxqgfo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	yywfxqgfo.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3936	f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe
4864	ongsq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 5012	3936	f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe	26
PID 3936 wrote to memory of 5012	3936	f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe	26
PID 3936 wrote to memory of 5012	3936	f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe	26
PID 5012 wrote to memory of 1084	5012	cmd.exe	31
PID 5012 wrote to memory of 1084	5012	cmd.exe	31
PID 5012 wrote to memory of 1084	5012	cmd.exe	31
PID 5012 wrote to memory of 4864	5012	cmd.exe	60
PID 5012 wrote to memory of 4864	5012	cmd.exe	60
PID 5012 wrote to memory of 4864	5012	cmd.exe	60
PID 4864 wrote to memory of 4668	4864	ongsq.exe	59
PID 4864 wrote to memory of 4668	4864	ongsq.exe	59
PID 4864 wrote to memory of 4668	4864	ongsq.exe	59

C:\Users\Admin\AppData\Local\Temp\f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe
"C:\Users\Admin\AppData\Local\Temp\f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ongsq.exe "C:\Users\Admin\AppData\Local\Temp\f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:1084
- - C:\Users\Admin\AppData\Local\Temp\ongsq.exe
    C:\Users\Admin\AppData\Local\Temp\\ongsq.exe "C:\Users\Admin\AppData\Local\Temp\f92011e9aef4773f648da5f75d79c1a7a2ee1932a7d9cf163acac859c35de808.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4864

\??\c:\Program Files\arqhp\yywfxqgfo.exe
"c:\Program Files\arqhp\yywfxqgfo.exe" "c:\Program Files\arqhp\yywfxqgfo.dll",Compliance C:\Users\Admin\AppData\Local\Temp\ongsq.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\arqhp\yywfxqgfo.dll

Filesize
141KB

MD5
d3cf18178692a0ef84c5f6306e850374

SHA1
cf49919b903b926044a360bdfab32abdac4bc0fa

SHA256
4634c03158bf4f4b8a7b2a2b03b0b7f403e60509126fcf2a46b699f6484654aa

SHA512
1c4350d2ca52f2cb98a6d199b6f7c740a86e2ce3f7a028c1e00dd8790fa0a6c71b81c10998ee82f52337286383c5210c8093021e07337d5add11810b0bb2261d

Download Submit
C:\Program Files\arqhp\yywfxqgfo.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\ongsq.exe

Filesize
197KB

MD5
497ab55326e8cf8057c91106659475a7

SHA1
52b3136c5dec5e5b4171d286e04c182ed20d8754

SHA256
63f6c0aea8f0892101444baba577ec93fa9ad0c05c03d560fe9351d415158740

SHA512
eb57a288125364f37e185e67a1496489cfcbc4a832f53733646c7618a3f46ed2deecb5059463ae3884e13e74062999223a711a0ff6d9fb689864351b416358b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ongsq.exe

Filesize
197KB

MD5
497ab55326e8cf8057c91106659475a7

SHA1
52b3136c5dec5e5b4171d286e04c182ed20d8754

SHA256
63f6c0aea8f0892101444baba577ec93fa9ad0c05c03d560fe9351d415158740

SHA512
eb57a288125364f37e185e67a1496489cfcbc4a832f53733646c7618a3f46ed2deecb5059463ae3884e13e74062999223a711a0ff6d9fb689864351b416358b0

Download Submit
\??\c:\Program Files\arqhp\yywfxqgfo.dll

Filesize
141KB

MD5
d3cf18178692a0ef84c5f6306e850374

SHA1
cf49919b903b926044a360bdfab32abdac4bc0fa

SHA256
4634c03158bf4f4b8a7b2a2b03b0b7f403e60509126fcf2a46b699f6484654aa

SHA512
1c4350d2ca52f2cb98a6d199b6f7c740a86e2ce3f7a028c1e00dd8790fa0a6c71b81c10998ee82f52337286383c5210c8093021e07337d5add11810b0bb2261d

Download Submit
\??\c:\Program Files\arqhp\yywfxqgfo.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3936-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3936-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3936-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3936-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4668-27-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4668-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4668-18-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4668-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4864-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4864-14-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4864-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads