ramnit | bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551

General

Target

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe
Size

71KB
MD5

64554b9979e4a416276cc349e4ab5eb4
SHA1

cca1062150d9276b18bd5c82cf8bdd07ac87ac1a
SHA256

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551
SHA512

07892a3edd51127d186fbd13130fba20ee8e610c943835121e3b1cf1181015b4570c738842bf7371c075fb10b346df0078bd4f8e12ba171c0ee55301222e4a87

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 2 IoCs

Processes:

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exeDesktopLayer.exe

pid process

1512 bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
2000 DesktopLayer.exe

pid	process
1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
2000	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1512-74-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exebc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe

pid	process
1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe
1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px169C.tmp	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0FC37571-B529-11EB-8D34-56535ADAD81C} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327812331"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

2000 DesktopLayer.exe
2000 DesktopLayer.exe
2000 DesktopLayer.exe
2000 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1760 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1760 iexplore.exe

pid	process
2000	DesktopLayer.exe
2000	DesktopLayer.exe
2000	DesktopLayer.exe
2000	DesktopLayer.exe

pid	process
1760	iexplore.exe

pid	process
1760	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exeiexplore.exeIEXPLORE.EXE

pid	process
1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe
1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe
1760	iexplore.exe
1760	iexplore.exe
240	IEXPLORE.EXE
240	IEXPLORE.EXE
240	IEXPLORE.EXE
240	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exebc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1864 wrote to memory of 1512	1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
PID 1864 wrote to memory of 1512	1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
PID 1864 wrote to memory of 1512	1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
PID 1864 wrote to memory of 1512	1864	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
PID 1512 wrote to memory of 2000	1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	DesktopLayer.exe
PID 1512 wrote to memory of 2000	1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	DesktopLayer.exe
PID 1512 wrote to memory of 2000	1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	DesktopLayer.exe
PID 1512 wrote to memory of 2000	1512	bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe	DesktopLayer.exe
PID 2000 wrote to memory of 1760	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1760	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1760	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1760	2000	DesktopLayer.exe	iexplore.exe
PID 1760 wrote to memory of 240	1760	iexplore.exe	IEXPLORE.EXE
PID 1760 wrote to memory of 240	1760	iexplore.exe	IEXPLORE.EXE
PID 1760 wrote to memory of 240	1760	iexplore.exe	IEXPLORE.EXE
PID 1760 wrote to memory of 240	1760	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe
"C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1512

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1760 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:240

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

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\N8JX0LWG.txt
MD5
90a540aa3eb8aebb692f642e8aa5c33b

SHA1
928884ffda13f6a8a41b80f1d600b305b468cee5

SHA256
d1c427b9f9b813766a1b6a82b63affd11fd0fdf648bc8e2ce95b3de48c61abd5

SHA512
139ed85fa791e5e422b244d0cd40b63882033a390a8e1ca5ea2b21d2e25ef11fe623bbe910386a7992b79d11aa66e71c893ac16c05e5184ec3198c6dd5325fbe

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
\Users\Admin\AppData\Local\Temp\bc35cf57e017aea5874d3b6f7d896c269e6d8af0b007bbd2b162e2b830400551Srv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
memory/240-72-0x0000000000000000-mapping.dmp

Download
memory/1512-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1512-60-0x0000000000000000-mapping.dmp

Download
memory/1512-62-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1512-73-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1760-70-0x0000000000000000-mapping.dmp

Download
memory/1760-71-0x000007FEFC471000-0x000007FEFC473000-memory.dmp

Filesize
8KB

Download
memory/1760-77-0x0000000003A20000-0x0000000003A21000-memory.dmp

Filesize
4KB

Download
memory/2000-69-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2000-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads