ramnit | 876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

General

Target

CacheMgrSrv.exe.virus.exe
Size

82KB
MD5

44e92c4b5f440b756f8fb0c9eeb460b2
SHA1

ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2
SHA256

876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c
SHA512

378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 1 IoCs

Processes:

DesktopLayer.exe

pid process

1984 DesktopLayer.exe

pid	process
1984	DesktopLayer.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1548-58-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/1984-61-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

CacheMgrSrv.exe.virus.exe

pid process

1548 CacheMgrSrv.exe.virus.exe

pid	process
1548	CacheMgrSrv.exe.virus.exe

Drops file in Program Files directory 3 IoCs

Processes:

CacheMgrSrv.exe.virus.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px393A.tmp	CacheMgrSrv.exe.virus.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CacheMgrSrv.exe.virus.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CacheMgrSrv.exe.virus.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363954505"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{179F1A41-FDDF-11EC-B1EC-4659A2147DF1} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1984 DesktopLayer.exe
1984 DesktopLayer.exe
1984 DesktopLayer.exe
1984 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1088 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1088 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1088 iexplore.exe
1088 iexplore.exe
936 IEXPLORE.EXE
936 IEXPLORE.EXE
936 IEXPLORE.EXE
936 IEXPLORE.EXE

pid	process
1984	DesktopLayer.exe
1984	DesktopLayer.exe
1984	DesktopLayer.exe
1984	DesktopLayer.exe

pid	process
1088	iexplore.exe

pid	process
1088	iexplore.exe

pid	process
1088	iexplore.exe
1088	iexplore.exe
936	IEXPLORE.EXE
936	IEXPLORE.EXE
936	IEXPLORE.EXE
936	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

CacheMgrSrv.exe.virus.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1548 wrote to memory of 1984	1548	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 1548 wrote to memory of 1984	1548	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 1548 wrote to memory of 1984	1548	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 1548 wrote to memory of 1984	1548	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 1984 wrote to memory of 1088	1984	DesktopLayer.exe	iexplore.exe
PID 1984 wrote to memory of 1088	1984	DesktopLayer.exe	iexplore.exe
PID 1984 wrote to memory of 1088	1984	DesktopLayer.exe	iexplore.exe
PID 1984 wrote to memory of 1088	1984	DesktopLayer.exe	iexplore.exe
PID 1088 wrote to memory of 936	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 936	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 936	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 936	1088	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\CacheMgrSrv.exe.virus.exe
"C:\Users\Admin\AppData\Local\Temp\CacheMgrSrv.exe.virus.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1548

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1984

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1088 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
82KB

MD5
44e92c4b5f440b756f8fb0c9eeb460b2

SHA1
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2

SHA256
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

SHA512
378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
82KB

MD5
44e92c4b5f440b756f8fb0c9eeb460b2

SHA1
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2

SHA256
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

SHA512
378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\A4WZJGYI.txt
Filesize
603B

MD5
075a1ed254da74c4370551d55a6b8ee5

SHA1
abce724211e890ee953093dfc4c7d9a274e40d59

SHA256
e3efe2cd4858bc3c71f56c8884ab9798860c14eb343a6d9babf1ebe86a016965

SHA512
8c6124d12b40fa91b9a094c61daad0f31f27fa0dc6efbf61793768443bd7a8b2d1130acd38b31cf8c6db8dbf47ed0abd69aaaff0b6a10dc6495fbe493d414125

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
82KB

MD5
44e92c4b5f440b756f8fb0c9eeb460b2

SHA1
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2

SHA256
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

SHA512
378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Download Submit
memory/1548-54-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1548-58-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1984-56-0x0000000000000000-mapping.dmp

Download
memory/1984-61-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads