6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c

Analysis

max time kernel
238s
max time network
337s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 15:49

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General

Target

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe
Size

69KB
MD5

9ea38549db22318be6020b7e6c82c2d2
SHA1

0a36f31f09abbd16b433a4ed3965b9be2ff45a48
SHA256

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c
SHA512

8b11de3c8feb278c302c7d6792dc9f19862a6b66f0fb7768cb416ee823e66d1aff2b9407c4e823a0e03ea924058aa61a5856cbb10906978e8950c326e6d19061
SSDEEP

1536:4aIdJ8LqMbEwOLc3tfnbvTzkeOFjlkHzrbq:4ah3bEwOLc3tfnvzk1vq2

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\drivers\hvbs.sys	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe
File created	C:\Windows\SysWOW64\drivers\hvbs.sys	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\nlctj\ImagePath = "system32\\drivers\\hvbs.sys"	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/668-54-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/668-68-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Loads dropped DLL 8 IoCs

Processes:

rundll32.exeRundll32.exe

pid process

568 rundll32.exe
568 rundll32.exe
568 rundll32.exe
568 rundll32.exe
780 Rundll32.exe
780 Rundll32.exe
780 Rundll32.exe
780 Rundll32.exe

pid	process
568	rundll32.exe
568	rundll32.exe
568	rundll32.exe
568	rundll32.exe
780	Rundll32.exe
780	Rundll32.exe
780	Rundll32.exe
780	Rundll32.exe

Drops file in System32 directory 2 IoCs

Processes:

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

description	ioc	process
File created	C:\Windows\SysWOW64\phoL.dll	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe
File opened for modification	C:\Windows\SysWOW64\phoL.dll	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

464
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Rundll32.exe

pid process

780 Rundll32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Rundll32.exe

pid process

780 Rundll32.exe

pid	process
464

pid	process
780	Rundll32.exe

pid	process
780	Rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exerundll32.exe

description	pid	process	target process
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 668 wrote to memory of 568	668	6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe	rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe
PID 568 wrote to memory of 780	568	rundll32.exe	Rundll32.exe

C:\Users\Admin\AppData\Local\Temp\6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe
"C:\Users\Admin\AppData\Local\Temp\6f69a8ba90daa34a130d97c4f61089a46d21cfaed2b02422f0f1cf89ef0e5f2c.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe C:\Windows\system32\phoL.dll,DllRegisterServer
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\Rundll32.exe
C:\Windows\system32\Rundll32.exe C:\Windows\system32\phoL.dll,DllUnregisterServer
3⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:780

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
\Windows\SysWOW64\phoL.dll
Filesize
48KB

MD5
d015da42a5db9227e4af6748b052ac6a

SHA1
197eb7e76c1c9cd729595a32a716fa6712ab519c

SHA256
3c83ffc83fcda25c0448d790d1a0b3dda00d9012fb9affada67911f7efdc20f7

SHA512
b987d48ff3028aa350041056b528fdabc30598c7509b759685d543c78631a3d7e5f3cbe0d665c50015db11255b27ba04624c4ec59e07388c1fc2a53951545889

Download Submit
memory/568-56-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/568-55-0x0000000000000000-mapping.dmp

Download
memory/668-54-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/668-68-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/780-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads