ac8087b133a1022287bb8aad082e1fd0b669509289a5ef5f2e17714de7acfb5b

General

Target

vbc.exe
Size

444KB
MD5

c66f665b6e12b556e6c90b52af988edc
SHA1

58060b2ab7c2441aeb29a034c48fc190c9789281
SHA256

ac8087b133a1022287bb8aad082e1fd0b669509289a5ef5f2e17714de7acfb5b
SHA512

7a18c04db5e2a35477429568b86890b56e8e9a9c46f11283069a07305759411769727edb1f0c392920fc8d546659957b75cfb78fc26f1cf53d6550c048a80ae4

Score

8^/10

evasion trojan persistence spyware

Malware Config

Signatures

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE

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

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\GDTHEFWHG8GX = "C:\\Program Files (x86)\\Xjrktnj2h\\taskhostonuxdx50.exe"	colorcpl.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

vbc.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 900 wrote to memory of 1608	900	vbc.exe	AddInProcess32.exe
PID 1336 wrote to memory of 760	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 760	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 760	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 760	1336	Explorer.EXE	colorcpl.exe
PID 760 wrote to memory of 1116	760	colorcpl.exe	cmd.exe
PID 760 wrote to memory of 1116	760	colorcpl.exe	cmd.exe
PID 760 wrote to memory of 1116	760	colorcpl.exe	cmd.exe
PID 760 wrote to memory of 1116	760	colorcpl.exe	cmd.exe
PID 760 wrote to memory of 1920	760	colorcpl.exe	Firefox.exe
PID 760 wrote to memory of 1920	760	colorcpl.exe	Firefox.exe
PID 760 wrote to memory of 1920	760	colorcpl.exe	Firefox.exe
PID 760 wrote to memory of 1920	760	colorcpl.exe	Firefox.exe
PID 760 wrote to memory of 1920	760	colorcpl.exe	Firefox.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exeAddInProcess32.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 900 vbc.exe
Token: SeDebugPrivilege 1608 AddInProcess32.exe
Token: SeDebugPrivilege 760 colorcpl.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	900	vbc.exe
Token: SeDebugPrivilege	1608	AddInProcess32.exe
Token: SeDebugPrivilege	760	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

vbc.exeAddInProcess32.execolorcpl.exe

pid	process
900	vbc.exe
900	vbc.exe
900	vbc.exe
1608	AddInProcess32.exe
1608	AddInProcess32.exe
1608	AddInProcess32.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe

Loads dropped DLL 1 IoCs

Processes:

vbc.exe

pid process

900 vbc.exe
Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

1608 AddInProcess32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

AddInProcess32.execolorcpl.exe

pid	process
1608	AddInProcess32.exe
1608	AddInProcess32.exe
1608	AddInProcess32.exe
1608	AddInProcess32.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe
760	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exeAddInProcess32.execolorcpl.exe

description	pid	process	target process
PID 900 set thread context of 1608	900	vbc.exe	AddInProcess32.exe
PID 1608 set thread context of 1336	1608	AddInProcess32.exe	Explorer.EXE
PID 1608 set thread context of 1336	1608	AddInProcess32.exe	Explorer.EXE
PID 760 set thread context of 1336	760	colorcpl.exe	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Drops file in Program Files directory 1 IoCs

Processes:

colorcpl.exe

description ioc process

File opened for modification C:\Program Files (x86)\Xjrktnj2h\taskhostonuxdx50.exe colorcpl.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Xjrktnj2h\taskhostonuxdx50.exe	colorcpl.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1336

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Loads dropped DLL
- Suspicious use of SetThreadContext
PID:900

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Executes dropped EXE
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
PID:1608

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Modifies Internet Explorer settings
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
PID:760

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
PID:1116

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Scripting

1

T1064

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

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C:\Users\Admin\AppData\Roaming\8P866TE7\8P8logim.jpeg

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C:\Users\Admin\AppData\Roaming\8P866TE7\8P8logrf.ini

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C:\Users\Admin\AppData\Roaming\8P866TE7\8P8logri.ini

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C:\Users\Admin\AppData\Roaming\8P866TE7\8P8logrv.ini

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\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

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memory/760-8-0x0000000000000000-mapping.dmp

Download
memory/760-9-0x0000000000530000-0x0000000000548000-memory.dmp

Filesize
96KB

Download
memory/760-12-0x0000000003020000-0x00000000030DE000-memory.dmp

Filesize
760KB

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memory/760-13-0x00000000769D0000-0x00000000769DC000-memory.dmp

Filesize
48KB

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memory/760-14-0x0000000076740000-0x000000007685D000-memory.dmp

Filesize
1.1MB

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memory/760-15-0x00000000032A0000-0x000000000336D000-memory.dmp

Filesize
820KB

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memory/900-1-0x0000000000000000-0x0000000000000000-disk.dmp

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memory/1116-11-0x0000000000000000-mapping.dmp

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memory/1336-7-0x0000000006AF0000-0x0000000006C43000-memory.dmp

Filesize
1.3MB

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memory/1608-5-0x000000000041E320-mapping.dmp

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memory/1608-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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memory/1920-17-0x000000013F570000-0x000000013F603000-memory.dmp

Filesize
588KB

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memory/1920-16-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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