c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397

General

Target

c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe
Size

452KB
MD5

08628adebf2c795b707c98392674c5e6
SHA1

687ba217dd3dc9db041c185c8e98d596ae3d3893
SHA256

c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397
SHA512

41bf6cc5ff3f024c8e910d9dd2bbe1abb652e9ea738653df47122c55e55c4e03f7f5d60d5a89a5f0bcebc6295ef5e23052b7f0481f2de85ab9eff1564b547eab
SSDEEP

12288:KFfVNQLBYRTfSkon6LiJyk49XW1K3DnsBbp:eVe8fmwiJ8W4Dsz

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
836	jlguaji.exe

Loads dropped DLL 2 IoCs

pid	Process
1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe
1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	jlguaji.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\urlspace = "C:\\Users\\Admin\\AppData\\Roaming\\Spiritsoft\\urlspirit\\jlguaji.exe -h"	jlguaji.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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.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	jlguaji.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	jlguaji.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	jlguaji.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
836	jlguaji.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe
836	jlguaji.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
836	jlguaji.exe
836	jlguaji.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 836	1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe	27
PID 1932 wrote to memory of 836	1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe	27
PID 1932 wrote to memory of 836	1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe	27
PID 1932 wrote to memory of 836	1932	c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe	27

C:\Users\Admin\AppData\Local\Temp\c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe
"C:\Users\Admin\AppData\Local\Temp\c8dabb02e76b69c233efb94f9601a7433bc47d2d1e28457f355978d5b8b44397.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe
  C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\bd.dat

Filesize
13KB

MD5
e93a0f3c1593c2e545523e6e588a2cf5

SHA1
b09546b5cec5c5b99a32d9ce2dec5a71fa0da242

SHA256
550711d76522438658aac785865ae1981c37d2b3f5bc8ab5333aaec5a7145389

SHA512
c8780953a6d58ff5ee78749e603c17b76b2d279438cb683bacfb6c00f49eeb594f1d8139cfe825b9592be48e70694a083347df58a6b9c3c887d18e5b6e3c5021

Download Submit
C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

Filesize
645KB

MD5
425dcd2af9e277b88e245887f84e63e1

SHA1
4449eacc382578ca8174129481d723284320c9b4

SHA256
7c52029eaaf76cc27b5640ca0b3a876e8efb17a7607cbe2c663a4a19defc7f54

SHA512
2b92bf9b1c5700920c1ecd04c3d13380f427697c8d3b4a38440bb124d06f9743dc5d18e7bc65255ea8299a5c33289f29a315cf7bf6f89fd64334ecc7c8fd3ef3

Download Submit
C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

Filesize
645KB

MD5
425dcd2af9e277b88e245887f84e63e1

SHA1
4449eacc382578ca8174129481d723284320c9b4

SHA256
7c52029eaaf76cc27b5640ca0b3a876e8efb17a7607cbe2c663a4a19defc7f54

SHA512
2b92bf9b1c5700920c1ecd04c3d13380f427697c8d3b4a38440bb124d06f9743dc5d18e7bc65255ea8299a5c33289f29a315cf7bf6f89fd64334ecc7c8fd3ef3

Download Submit
C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\product.dat

Filesize
380B

MD5
7eba6f8bd2aed7d0b60bcbec6159c6f8

SHA1
b13f8474ed7c4048646ed39585d865228f62027d

SHA256
7d39c476eaf974b2e2a48cdea3340f2416f02804724e8b551e4ac25e8ce37784

SHA512
b93be6a16eb199db94bbcb6f0f20a401830c6f45311c48fd00070a2dd67f70cc01324ba64f3e7460042fb4e92ff2595fb7407409733cdfefea001795aafb9cfd

Download Submit
C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\tcfg.dat

Filesize
1KB

MD5
4dd2cf4196f898b41f5bf90d43681630

SHA1
d7bba347ddacedf7387d70cfa15f7b3e788b2307

SHA256
4544ecac7841fa425936937c4e5162d5cfa73a87a17ed2f5c2eb44534da6afe7

SHA512
e81a971d754b27f2c1f1c63471edec16b141f5800411ef53866f0f858cb28cb3eb8169ad77798ab3c09567d98f7d5c4f37eaecdaac464ebf024dfeced423e232

Download Submit
\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

Filesize
645KB

MD5
425dcd2af9e277b88e245887f84e63e1

SHA1
4449eacc382578ca8174129481d723284320c9b4

SHA256
7c52029eaaf76cc27b5640ca0b3a876e8efb17a7607cbe2c663a4a19defc7f54

SHA512
2b92bf9b1c5700920c1ecd04c3d13380f427697c8d3b4a38440bb124d06f9743dc5d18e7bc65255ea8299a5c33289f29a315cf7bf6f89fd64334ecc7c8fd3ef3

Download Submit
\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

Filesize
645KB

MD5
425dcd2af9e277b88e245887f84e63e1

SHA1
4449eacc382578ca8174129481d723284320c9b4

SHA256
7c52029eaaf76cc27b5640ca0b3a876e8efb17a7607cbe2c663a4a19defc7f54

SHA512
2b92bf9b1c5700920c1ecd04c3d13380f427697c8d3b4a38440bb124d06f9743dc5d18e7bc65255ea8299a5c33289f29a315cf7bf6f89fd64334ecc7c8fd3ef3

Download Submit
memory/1932-54-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/1932-61-0x0000000000400000-0x000000000050E000-memory.dmp

Filesize
1.1MB

Download
memory/1932-62-0x0000000000400000-0x000000000050E000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads