468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76

Analysis

max time kernel
135s
max time network
172s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 09:04

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General

Target

468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
Size

827KB
MD5

10cfaf565b24613ba8e6ef647dfc5ac0
SHA1

2bde2a279cfb86c8f1bf74c43771994e044ed5e4
SHA256

468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76
SHA512

9d471bbab5a68991d43f975ff73c538cb3bd0a66b0ab09e716fe31226b818806d28d1368ed57dc96d2c79df256306a1e31cbdaff2e8b1e7dda38fc0381e9579d
SSDEEP

12288:2CjutZu0UMuiwNwn6wfBvg7FbPKVYl6+2gKkMfk2cdC0+m687KUOxe5yxl:2LtwNwn6w5vgJbPKVf+2Dk7dzf68GUS

Score

8^/10

adware evasion stealer trojan

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
628	GrillGrill.exe
1712	GrillGrill.exe

Loads dropped DLL 4 IoCs

pid	Process
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}	regsvr32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\PresideDissonant\DissonantTournament.exe	GrillGrill.exe
File created	C:\Program Files\TaperFlex\ImposeRail.exe	GrillGrill.exe
File opened for modification	C:\Program Files\TaperFlex\ImposeRail.exe	GrillGrill.exe
File created	C:\Program Files\PresideDissonant\DissonantTournament.exe	GrillGrill.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ZAYUOZBIDUJF.dll	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe

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

System Information Discovery
T1082

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\VersionIndependentProgID\ = "Thunder.xunlei"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID\ = "{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ProgID\ = "Thunder.xunlei.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32\ = "C:\\Windows\\ZAYUOZBIDUJF.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\ = "Thunder 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\ = "xunlei Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID\ = "{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0\win32\ = "C:\\Windows\\ZAYUOZBIDUJF.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\HELPDIR\ = "C:\\Windows"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{05D67BE6-2A57-DB9A-2C0A-BF2753C5CC9F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer\ = "Thunder.xunlei.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4BAEFBE-7CF3-0EA8-3E22-080C5180AC1F}	regsvr32.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
628	GrillGrill.exe
628	GrillGrill.exe
1712	GrillGrill.exe
1712	GrillGrill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 1464	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	27
PID 808 wrote to memory of 628	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	28
PID 808 wrote to memory of 628	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	28
PID 808 wrote to memory of 628	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	28
PID 808 wrote to memory of 628	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	28
PID 808 wrote to memory of 1712	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	29
PID 808 wrote to memory of 1712	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	29
PID 808 wrote to memory of 1712	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	29
PID 808 wrote to memory of 1712	808	468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe	29

C:\Users\Admin\AppData\Local\Temp\468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe
"C:\Users\Admin\AppData\Local\Temp\468ea05c02157caf6f5854e33950ee3548064676ff71d3139ded42bdfac2fc76.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Windows\ZAYUOZBIDUJF.dll"
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1464
- C:\Users\Admin\AppData\Local\Temp\GrillGrill.exe
  "C:\Users\Admin\AppData\Local\Temp\GrillGrill.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:628
- C:\Users\Admin\AppData\Local\Temp\GrillGrill.exe
  C:\Users\Admin\AppData\Local\Temp\GrillGrill.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\GrillGrill.exe

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

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

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

Download Submit
C:\Windows\ZAYUOZBIDUJF.dll

Filesize
859KB

MD5
5f590593f5de92de3745a6b311898d4b

SHA1
4edbfe9fd328e381a03b23694087068641a7191f

SHA256
9b49d7b0aedb0173ad6729c3a18f24595aaf693be52731b26cfc073828fb3839

SHA512
605b68552c347bf2b3bed4c6ebcc9fb65446f07ee619b231c4817b0fcd858ea3989875599c662d7caedc4f759e99d90d56aafc83d2d7f3ac9f2ae4146b6c0ea7

Download Submit
\Users\Admin\AppData\Local\Temp\GrillGrill.exe

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

Download Submit
\Users\Admin\AppData\Local\Temp\GrillGrill.exe

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

Download Submit
\Users\Admin\AppData\Local\Temp\GrillGrill.exe

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

Download Submit
\Users\Admin\AppData\Local\Temp\GrillGrill.exe

Filesize
28KB

MD5
6697555ead62e6b9fb71a0ffb6d62992

SHA1
55b57b52fe0d4af8716db57a98ab011b1dbe4181

SHA256
683a7e3bc4e63ba70bf88c23ae895109d19fc02c9d084ddd759a5569b56d2cd6

SHA512
36b7c24cbc5cef1ea6cca65c2054e3baae7096932bbb2caa4857d4f324407fe5a92e610d7baf979dfa881d82f9c99c74037b774967cd5d31af5a120bd9eefdf8

Download Submit
memory/808-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download