39c70b63f715a285b8c68c88546b49eb65f799ae3fc78c2c8f1272ac8d5c05ef

General

Target

grabbot_0.1.4.3.vir.exe
Size

484KB
MD5

e71757443439452b11c05a06d684acb8
SHA1

7eb0380d4d295b649e1f1c4fc82c2e4dcd4325cc
SHA256

39c70b63f715a285b8c68c88546b49eb65f799ae3fc78c2c8f1272ac8d5c05ef
SHA512

09679022f5de09dd30ee48784c2d6cf4cbf92271cd278155c2274ef39eda25d7001f1a5277d767d7b43cb655fa8b7cdbfcd52ffb88081a458de3de44735af1a6

Score

8^/10

upx evasion trojan persistence discovery

Malware Config

Signatures

Suspicious use of SendNotifyMessage 5 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE

pid	process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1100-0-0x0000000000400000-0x00000000009DC000-memory.dmp	upx
behavioral1/memory/1100-3-0x0000000000400000-0x00000000009DC000-memory.dmp	upx
behavioral1/memory/1100-4-0x0000000000400000-0x00000000009DC000-memory.dmp	upx

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

grabbot_0.1.4.3.vir.exeiexplore.exe

pid process

740 grabbot_0.1.4.3.vir.exe
740 grabbot_0.1.4.3.vir.exe
1100 iexplore.exe
1100 iexplore.exe
1100 iexplore.exe
1100 iexplore.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

grabbot_0.1.4.3.vir.exegrabbot_0.1.4.3.vir.exe

description	pid	process	target process
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 740 wrote to memory of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 1076 wrote to memory of 1304	1076	grabbot_0.1.4.3.vir.exe	Explorer.EXE
PID 1076 wrote to memory of 1304	1076	grabbot_0.1.4.3.vir.exe	Explorer.EXE
PID 1076 wrote to memory of 1304	1076	grabbot_0.1.4.3.vir.exe	Explorer.EXE
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe
PID 1076 wrote to memory of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

grabbot_0.1.4.3.vir.exegrabbot_0.1.4.3.vir.exe

description	pid	process	target process
PID 740 set thread context of 1100	740	grabbot_0.1.4.3.vir.exe	iexplore.exe
PID 740 set thread context of 1076	740	grabbot_0.1.4.3.vir.exe	grabbot_0.1.4.3.vir.exe
PID 1076 set thread context of 1848	1076	grabbot_0.1.4.3.vir.exe	svchost.exe

Deletes itself 1 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

iexplore.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe

pid	process
1304	Explorer.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\{2036C778-D040-1E00-1000-59588684D1} = "\"C:\\Users\\Admin\\AppData\\Roaming\\{2036C778-D040-1E00-1000-59588684D1}\\vbchinstya.exe\""	Explorer.EXE

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

grabbot_0.1.4.3.vir.exegrabbot_0.1.4.3.vir.exesvchost.exe

pid	process
740	grabbot_0.1.4.3.vir.exe
1076	grabbot_0.1.4.3.vir.exe
1076	grabbot_0.1.4.3.vir.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

grabbot_0.1.4.3.vir.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1076	grabbot_0.1.4.3.vir.exe
Token: SeSecurityPrivilege	1076	grabbot_0.1.4.3.vir.exe
Token: SeSecurityPrivilege	1076	grabbot_0.1.4.3.vir.exe
Token: SeSecurityPrivilege	1848	svchost.exe
Token: SeSecurityPrivilege	1848	svchost.exe
Token: SeSecurityPrivilege	1848	svchost.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE

pid	process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

iexplore.exeExplorer.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iexplore.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SendNotifyMessage
- Deletes itself
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
PID:1304

C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.4.3.vir.exe
"C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.4.3.vir.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:740

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Suspicious use of SetWindowsHookEx
- Modifies Internet Explorer settings
- Checks whether UAC is enabled
PID:1100

C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.4.3.vir.exe
"C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.4.3.vir.exe"
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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

Exfiltration

Command and Control

Impact

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Downloads

memory/1076-2-0x0000000000400000-0x0000000019270000-memory.dmp

Filesize
398.4MB

Download
memory/1076-5-0x0000000000404DB0-mapping.dmp

Download
memory/1076-6-0x0000000000400000-0x0000000019270000-memory.dmp

Filesize
398.4MB

Download
memory/1100-0-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download
memory/1100-1-0x000000000040D560-mapping.dmp

Download
memory/1100-3-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download
memory/1100-4-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download
memory/1848-7-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/1848-8-0x000000001000C79B-mapping.dmp

Download
memory/1848-9-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download

pid	process
740	grabbot_0.1.4.3.vir.exe
740	grabbot_0.1.4.3.vir.exe
1100	iexplore.exe
1100	iexplore.exe
1100	iexplore.exe
1100	iexplore.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads