ff92eb5433354ad51ba6c586ed91e8b69f32271b0d523352c87f8ae4d075151b

General

Target

citadel_1.3.4.5.vir.exe
Size

289KB
MD5

8dea3337a2681be366086df2563375ec
SHA1

e89098c215538c7afa1f550fc0d73264be1900ab
SHA256

ff92eb5433354ad51ba6c586ed91e8b69f32271b0d523352c87f8ae4d075151b
SHA512

b700c42189538edd6d67459f492a23759db8ed5a576b674defefab135584abbbd3dca7592d2569e69c77592c42c3f948bcab04e6d9655ddadbe1c809d65ff528

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

citadel_1.3.4.5.vir.exezoup.exe

pid process

240 citadel_1.3.4.5.vir.exe
240 citadel_1.3.4.5.vir.exe
1776 zoup.exe
1776 zoup.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

citadel_1.3.4.5.vir.exezoup.exe

description	pid	process	target process
PID 240 set thread context of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 1776 set thread context of 2008	1776	zoup.exe	zoup.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

citadel_1.3.4.5.vir.execmd.exe

description	pid	process
Token: SeSecurityPrivilege	1728	citadel_1.3.4.5.vir.exe
Token: SeSecurityPrivilege	1728	citadel_1.3.4.5.vir.exe
Token: SeSecurityPrivilege	452	cmd.exe
Token: SeSecurityPrivilege	452	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

zoup.exezoup.exe

pid process

1776 zoup.exe
2008 zoup.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

452 cmd.exe

pid	process
1776	zoup.exe
2008	zoup.exe

pid	process
452	cmd.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

zoup.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rihityib = "C:\\Users\\Admin\\AppData\\Roaming\\Ylopi\\zoup.exe"	zoup.exe
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\Currentversion\Run	zoup.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\Currentversion\Run	zoup.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

citadel_1.3.4.5.vir.exezoup.exezoup.exe

pid	process
240	citadel_1.3.4.5.vir.exe
240	citadel_1.3.4.5.vir.exe
1776	zoup.exe
1776	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe
2008	zoup.exe

Suspicious use of WriteProcessMemory 66 IoCs

Processes:

citadel_1.3.4.5.vir.execitadel_1.3.4.5.vir.exezoup.exezoup.exe

description	pid	process	target process
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 240 wrote to memory of 1728	240	citadel_1.3.4.5.vir.exe	citadel_1.3.4.5.vir.exe
PID 1728 wrote to memory of 1776	1728	citadel_1.3.4.5.vir.exe	zoup.exe
PID 1728 wrote to memory of 1776	1728	citadel_1.3.4.5.vir.exe	zoup.exe
PID 1728 wrote to memory of 1776	1728	citadel_1.3.4.5.vir.exe	zoup.exe
PID 1728 wrote to memory of 1776	1728	citadel_1.3.4.5.vir.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 1776 wrote to memory of 2008	1776	zoup.exe	zoup.exe
PID 2008 wrote to memory of 1148	2008	zoup.exe	taskhost.exe
PID 2008 wrote to memory of 1148	2008	zoup.exe	taskhost.exe
PID 2008 wrote to memory of 1148	2008	zoup.exe	taskhost.exe
PID 2008 wrote to memory of 1148	2008	zoup.exe	taskhost.exe
PID 2008 wrote to memory of 1148	2008	zoup.exe	taskhost.exe
PID 2008 wrote to memory of 1248	2008	zoup.exe	Dwm.exe
PID 2008 wrote to memory of 1248	2008	zoup.exe	Dwm.exe
PID 2008 wrote to memory of 1248	2008	zoup.exe	Dwm.exe
PID 2008 wrote to memory of 1248	2008	zoup.exe	Dwm.exe
PID 2008 wrote to memory of 1248	2008	zoup.exe	Dwm.exe
PID 2008 wrote to memory of 1304	2008	zoup.exe	Explorer.EXE
PID 2008 wrote to memory of 1304	2008	zoup.exe	Explorer.EXE
PID 2008 wrote to memory of 1304	2008	zoup.exe	Explorer.EXE
PID 2008 wrote to memory of 1304	2008	zoup.exe	Explorer.EXE
PID 2008 wrote to memory of 1304	2008	zoup.exe	Explorer.EXE
PID 2008 wrote to memory of 1728	2008	zoup.exe	citadel_1.3.4.5.vir.exe
PID 2008 wrote to memory of 1728	2008	zoup.exe	citadel_1.3.4.5.vir.exe
PID 2008 wrote to memory of 1728	2008	zoup.exe	citadel_1.3.4.5.vir.exe
PID 2008 wrote to memory of 1728	2008	zoup.exe	citadel_1.3.4.5.vir.exe
PID 2008 wrote to memory of 1728	2008	zoup.exe	citadel_1.3.4.5.vir.exe
PID 1728 wrote to memory of 452	1728	citadel_1.3.4.5.vir.exe	cmd.exe
PID 1728 wrote to memory of 452	1728	citadel_1.3.4.5.vir.exe	cmd.exe
PID 1728 wrote to memory of 452	1728	citadel_1.3.4.5.vir.exe	cmd.exe
PID 1728 wrote to memory of 452	1728	citadel_1.3.4.5.vir.exe	cmd.exe
PID 2008 wrote to memory of 452	2008	zoup.exe	cmd.exe
PID 2008 wrote to memory of 452	2008	zoup.exe	cmd.exe
PID 2008 wrote to memory of 452	2008	zoup.exe	cmd.exe
PID 2008 wrote to memory of 452	2008	zoup.exe	cmd.exe
PID 2008 wrote to memory of 452	2008	zoup.exe	cmd.exe
PID 2008 wrote to memory of 1468	2008	zoup.exe	conhost.exe
PID 2008 wrote to memory of 1468	2008	zoup.exe	conhost.exe
PID 2008 wrote to memory of 1468	2008	zoup.exe	conhost.exe
PID 2008 wrote to memory of 1468	2008	zoup.exe	conhost.exe
PID 2008 wrote to memory of 1468	2008	zoup.exe	conhost.exe
PID 2008 wrote to memory of 744	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 744	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 744	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 744	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 744	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 1516	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 1516	2008	zoup.exe	DllHost.exe
PID 2008 wrote to memory of 1516	2008	zoup.exe	DllHost.exe

Loads dropped DLL 2 IoCs

Processes:

citadel_1.3.4.5.vir.exe

pid process

1728 citadel_1.3.4.5.vir.exe
1728 citadel_1.3.4.5.vir.exe
Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

pid	process
1728	citadel_1.3.4.5.vir.exe
1728	citadel_1.3.4.5.vir.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

citadel_1.3.4.5.vir.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	citadel_1.3.4.5.vir.exe
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\Privacy	citadel_1.3.4.5.vir.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1148

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1248

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1304

C:\Users\Admin\AppData\Local\Temp\citadel_1.3.4.5.vir.exe
"C:\Users\Admin\AppData\Local\Temp\citadel_1.3.4.5.vir.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:240

C:\Users\Admin\AppData\Local\Temp\citadel_1.3.4.5.vir.exe
C:\Users\Admin\AppData\Local\Temp\citadel_1.3.4.5.vir.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
- Modifies Internet Explorer settings
PID:1728

C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe
"C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe"
4⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of SetThreadContext
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe
C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp23aa9065.bat"
4⤵
- Suspicious use of AdjustPrivilegeToken
- Deletes itself
PID:452

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-210567631-169780334-242179818166347776113525262031716099351-363130541-1019354036"
1⤵
PID:1468

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1516

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

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp23aa9065.bat

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C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe

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C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe

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C:\Users\Admin\AppData\Roaming\Ylopi\zoup.exe

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\Users\Admin\AppData\Roaming\Ylopi\zoup.exe

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\Users\Admin\AppData\Roaming\Ylopi\zoup.exe

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memory/240-0-0x0000000003CA0000-0x0000000003CB1000-memory.dmp

Filesize
68KB

Download
memory/240-54-0x0000000003CA0000-0x0000000003CB1000-memory.dmp

Filesize
68KB

Download
memory/452-122-0x0000000000000000-mapping.dmp

Download
memory/452-123-0x0000000000000000-mapping.dmp

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memory/1728-56-0x0000000000432055-mapping.dmp

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memory/1728-57-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

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memory/1728-55-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1728-121-0x0000000000432055-mapping.dmp

Download
memory/1776-60-0x0000000000000000-mapping.dmp

Download
memory/1776-63-0x0000000003C90000-0x0000000003CA1000-memory.dmp

Filesize
68KB

Download
memory/2008-118-0x0000000000432055-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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