ramnit | e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa

General

Target

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe
Size

312KB
MD5

bba4e99d69f09b4549cead5bb86be41f
SHA1

ca554bf7aa754bcaa506007fff509723a391e09c
SHA256

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa
SHA512

ccc034983ddb421e7ac69a19f966cb41c5d197207b242510d4cb9dcbd388c2d20385fc9e491247c4f806c1b7df082aac338ed9eb8406555e795f97d13f51ef55
SSDEEP

3072:It+dR1llX2xDpFuacFujhGa3/rQLAD/wWmzIBn7d4foB7nlyGIjTTqsjXj4fA+1f:PlSDpABxavrQLKLlBInRXWAopdv

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:

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exeDesktopLayer.exe

pid process

1368 e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
688 DesktopLayer.exe

pid	process
1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
688	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	upx
behavioral1/memory/1368-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/688-70-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Loads dropped DLL 2 IoCs

Processes:

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exee4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

pid	process
1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe
1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

Drops file in Program Files directory 3 IoCs

Processes:

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px8C0B.tmp	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018240"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{24625051-6B97-11ED-9E35-7AAB9C3024C2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

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

Processes:

iexplore.exe

pid process

428 iexplore.exe

pid	process
688	DesktopLayer.exe
688	DesktopLayer.exe
688	DesktopLayer.exe
688	DesktopLayer.exe

pid	process
428	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exeiexplore.exeIEXPLORE.EXE

pid	process
1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe
1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe
428	iexplore.exe
428	iexplore.exe
280	IEXPLORE.EXE
280	IEXPLORE.EXE
280	IEXPLORE.EXE
280	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exee4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1388 wrote to memory of 1368	1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
PID 1388 wrote to memory of 1368	1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
PID 1388 wrote to memory of 1368	1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
PID 1388 wrote to memory of 1368	1388	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
PID 1368 wrote to memory of 688	1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	DesktopLayer.exe
PID 1368 wrote to memory of 688	1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	DesktopLayer.exe
PID 1368 wrote to memory of 688	1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	DesktopLayer.exe
PID 1368 wrote to memory of 688	1368	e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe	DesktopLayer.exe
PID 688 wrote to memory of 428	688	DesktopLayer.exe	iexplore.exe
PID 688 wrote to memory of 428	688	DesktopLayer.exe	iexplore.exe
PID 688 wrote to memory of 428	688	DesktopLayer.exe	iexplore.exe
PID 688 wrote to memory of 428	688	DesktopLayer.exe	iexplore.exe
PID 428 wrote to memory of 280	428	iexplore.exe	IEXPLORE.EXE
PID 428 wrote to memory of 280	428	iexplore.exe	IEXPLORE.EXE
PID 428 wrote to memory of 280	428	iexplore.exe	IEXPLORE.EXE
PID 428 wrote to memory of 280	428	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe
"C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1368

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:688

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:428

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:428 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\IMS21FTP.txt

Filesize
601B

MD5
a2d85ab99914a2073d80bec6e0441b78

SHA1
04862f208a483b4817f7cab81f273ea3f18cd444

SHA256
b2b7ea9a22f081fba774b40c4f06341305a19b4a21a32112e8592bb099f7fe90

SHA512
2d0348b3cb79f927ca29b95e55a68e6db735962f4efb3a92cea4ce1f93fa1ac82763d838dd4327639e0129e69a8d47a74435f00dfd05ef194ed5a04ed14cd481

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\e4c1b57c3354ab2243239f4fd31017748f6336bb2fb905236753fb1198a004aaSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/688-64-0x0000000000000000-mapping.dmp

Download
memory/688-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1368-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1368-56-0x0000000000000000-mapping.dmp

Download
memory/1388-60-0x00000000003A0000-0x00000000003CE000-memory.dmp

Filesize
184KB

Download
memory/1388-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1388-68-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1388-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1388-54-0x00000000754C1000-0x00000000754C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads