ramnit | a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28

General

Target

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe
Size

372KB
MD5

32d6092c9accf6e3ff855209f34cff3c
SHA1

eb052743df8bde8b675c652a07d96718b8db7d05
SHA256

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28
SHA512

97f931dedb5bba7f3ec69942b7fb3b02cb71dcd081b989adbd50901350f9d274d3ae189f508dba26e3c3aecfba43ed22cf1159ecd742a5d75fd6d002dbb9b40b

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:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exeDesktopLayer.exe

pid process

1996 a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
900 DesktopLayer.exe

pid	process
1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
900	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\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.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/1996-74-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exea4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

pid	process
1756	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe
1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px1593.tmp	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
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
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\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "328000090"	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\Toolbar\WebBrowser	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\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\Toolbar	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\Main	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\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{392BB421-B6DE-11EB-849A-C2EBB310CB62} = "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\LowRegistry\DontShowMeThisDialogAgain	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\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\BrowserEmulation\LowMic	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

900 DesktopLayer.exe
900 DesktopLayer.exe
900 DesktopLayer.exe
900 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1736 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1736 iexplore.exe
1736 iexplore.exe
1572 IEXPLORE.EXE
1572 IEXPLORE.EXE
1572 IEXPLORE.EXE
1572 IEXPLORE.EXE

pid	process
900	DesktopLayer.exe
900	DesktopLayer.exe
900	DesktopLayer.exe
900	DesktopLayer.exe

pid	process
1736	iexplore.exe

pid	process
1736	iexplore.exe
1736	iexplore.exe
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exea4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1756 wrote to memory of 1996	1756	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 1756 wrote to memory of 1996	1756	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 1756 wrote to memory of 1996	1756	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 1756 wrote to memory of 1996	1756	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 1996 wrote to memory of 900	1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 1996 wrote to memory of 900	1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 1996 wrote to memory of 900	1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 1996 wrote to memory of 900	1996	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 900 wrote to memory of 1736	900	DesktopLayer.exe	iexplore.exe
PID 900 wrote to memory of 1736	900	DesktopLayer.exe	iexplore.exe
PID 900 wrote to memory of 1736	900	DesktopLayer.exe	iexplore.exe
PID 900 wrote to memory of 1736	900	DesktopLayer.exe	iexplore.exe
PID 1736 wrote to memory of 1572	1736	iexplore.exe	IEXPLORE.EXE
PID 1736 wrote to memory of 1572	1736	iexplore.exe	IEXPLORE.EXE
PID 1736 wrote to memory of 1572	1736	iexplore.exe	IEXPLORE.EXE
PID 1736 wrote to memory of 1572	1736	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe
"C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756

C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1996

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:900

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1736 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1572

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
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HNJH0VUU.txt
MD5
f11e9e2b8a0f62f376d8e3c28d8a4a16

SHA1
79301a6277f8d54662aa7b4394b543a70c888347

SHA256
c126d982da44981ca725d4063d624ef769a650337cdb5b554f6a1f664de1a44a

SHA512
4d6d454455808b968b507522ad61a279285ee954314818aac70e251b17e027fca928096ee4dfedad427fcf77effa940f995382d1fcf0cb59426e54c1f237e49c

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
memory/900-66-0x0000000000000000-mapping.dmp

Download
memory/900-70-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1572-72-0x0000000000000000-mapping.dmp

Download
memory/1736-71-0x0000000000000000-mapping.dmp

Download
memory/1736-77-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download
memory/1996-63-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1996-61-0x0000000000000000-mapping.dmp

Download
memory/1996-73-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1996-74-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads