5c28b949507a6330ec9e768251131e823e1ed1587b5e8913c9e70009f235e9bb

Analysis

max time kernel
104s
max time network
140s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 22:04

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General

Target

base/runApp.bat
Size

28B
MD5

9a0228426a9e0ab3fb08e83a91c1774e
SHA1

95520565eb3396781a242c37d2e4afdf1f32b289
SHA256

65a7edef981c41abdb03b1f77fe6bee27e60c64c6adfdb402d5494556c3066ba
SHA512

39932920b5297dffb671a13ac244df9fb995a1a95d9cb920338c6d5d008da0899c2dcee3ba76450374e9876734b1a386fe62dc454f7cb579a6f4d909ea6a15b0

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

FCUI.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\FreeCoinsStartup = "C:\\Users\\Admin\\AppData\\Local\\FCM\\DBStack.exe"	FCUI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\FreeCoinsUpdater = "C:\\Users\\Admin\\AppData\\Local\\FCU\\OSUpdater.exe"	FCUI.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1884 1180 WerFault.exe FCUI.exe

pid	pid_target	process	target process
1884	1180	WerFault.exe	FCUI.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

FCUI.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	FCUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	FCUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	FCUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

FCUI.exe

description pid process

Token: SeDebugPrivilege 1180 FCUI.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

FCUI.exe

pid process

1180 FCUI.exe
1180 FCUI.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

FCUI.exe

pid process

1180 FCUI.exe
1180 FCUI.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

FCUI.exe

pid process

1180 FCUI.exe
1180 FCUI.exe

description	pid	process
Token: SeDebugPrivilege	1180	FCUI.exe

pid	process
1180	FCUI.exe
1180	FCUI.exe

pid	process
1180	FCUI.exe
1180	FCUI.exe

pid	process
1180	FCUI.exe
1180	FCUI.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exeFCUI.exe

description	pid	process	target process
PID 1788 wrote to memory of 1180	1788	cmd.exe	FCUI.exe
PID 1788 wrote to memory of 1180	1788	cmd.exe	FCUI.exe
PID 1788 wrote to memory of 1180	1788	cmd.exe	FCUI.exe
PID 1180 wrote to memory of 1884	1180	FCUI.exe	WerFault.exe
PID 1180 wrote to memory of 1884	1180	FCUI.exe	WerFault.exe
PID 1180 wrote to memory of 1884	1180	FCUI.exe	WerFault.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\base\runApp.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Admin\AppData\Local\Temp\base\FCUI.exe
FCUI.exe
2⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1180 -s 2912
3⤵
- Program crash
PID:1884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1180-54-0x0000000000000000-mapping.dmp

Download
memory/1180-55-0x0000000000F10000-0x0000000000F70000-memory.dmp

Filesize
384KB

Download
memory/1180-56-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1180-57-0x00000000003E0000-0x0000000000448000-memory.dmp

Filesize
416KB

Download
memory/1180-58-0x000007FEFB751000-0x000007FEFB753000-memory.dmp

Filesize
8KB

Download
memory/1180-59-0x000000001B7A6000-0x000000001B7C5000-memory.dmp

Filesize
124KB

Download
memory/1180-60-0x000000001FB10000-0x00000000202B6000-memory.dmp

Filesize
7.6MB

Download
memory/1884-61-0x0000000000000000-mapping.dmp

Download