ramnit | 0d9793cac8c3d554fed790b99d2498892b4d8d4e71633690cbf2324b97b98edd

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 15:21

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General

Target

1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll
Size

823KB
MD5

1680759f930f5649c2f05608bf04cb6c
SHA1

ab985ab5b5ae183659f6c6240f6ed62df3cb9325
SHA256

0d9793cac8c3d554fed790b99d2498892b4d8d4e71633690cbf2324b97b98edd
SHA512

7938540c7f6591a5c601ea53f1b052bda69b14c68be1846d64838e51f9f5fe32f541c068e50569d2c118d22abec18b1bc24b1f97ec260ae2a6b749d87ffd0561
SSDEEP

24576:AL5/rmRsmDWDPNuFhPvYrpLYHSfcoopooLY9Nu0:qK5hPILYHSfeY9n

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:

rundll32Srv.exeDesktopLayer.exe

pid process

1992 rundll32Srv.exe
2084 DesktopLayer.exe
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

2228 rundll32.exe
1992 rundll32Srv.exe

pid	process
1992	rundll32Srv.exe
2084	DesktopLayer.exe

pid	process
2228	rundll32.exe
1992	rundll32Srv.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral1/memory/2228-5-0x0000000000140000-0x000000000016E000-memory.dmp	upx
behavioral1/memory/1992-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1992-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2084-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2084-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px25AA.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F963B7F1-3498-11EF-9891-EEF45767FDFF} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425663594"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

2084 DesktopLayer.exe
2084 DesktopLayer.exe
2084 DesktopLayer.exe
2084 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2672 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2672 iexplore.exe
2672 iexplore.exe
2700 IEXPLORE.EXE
2700 IEXPLORE.EXE
2700 IEXPLORE.EXE
2700 IEXPLORE.EXE

pid	process
2084	DesktopLayer.exe
2084	DesktopLayer.exe
2084	DesktopLayer.exe
2084	DesktopLayer.exe

pid	process
2672	iexplore.exe

pid	process
2672	iexplore.exe
2672	iexplore.exe
2700	IEXPLORE.EXE
2700	IEXPLORE.EXE
2700	IEXPLORE.EXE
2700	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 1312 wrote to memory of 2228	1312	rundll32.exe	rundll32.exe
PID 2228 wrote to memory of 1992	2228	rundll32.exe	rundll32Srv.exe
PID 2228 wrote to memory of 1992	2228	rundll32.exe	rundll32Srv.exe
PID 2228 wrote to memory of 1992	2228	rundll32.exe	rundll32Srv.exe
PID 2228 wrote to memory of 1992	2228	rundll32.exe	rundll32Srv.exe
PID 1992 wrote to memory of 2084	1992	rundll32Srv.exe	DesktopLayer.exe
PID 1992 wrote to memory of 2084	1992	rundll32Srv.exe	DesktopLayer.exe
PID 1992 wrote to memory of 2084	1992	rundll32Srv.exe	DesktopLayer.exe
PID 1992 wrote to memory of 2084	1992	rundll32Srv.exe	DesktopLayer.exe
PID 2084 wrote to memory of 2672	2084	DesktopLayer.exe	iexplore.exe
PID 2084 wrote to memory of 2672	2084	DesktopLayer.exe	iexplore.exe
PID 2084 wrote to memory of 2672	2084	DesktopLayer.exe	iexplore.exe
PID 2084 wrote to memory of 2672	2084	DesktopLayer.exe	iexplore.exe
PID 2672 wrote to memory of 2700	2672	iexplore.exe	IEXPLORE.EXE
PID 2672 wrote to memory of 2700	2672	iexplore.exe	IEXPLORE.EXE
PID 2672 wrote to memory of 2700	2672	iexplore.exe	IEXPLORE.EXE
PID 2672 wrote to memory of 2700	2672	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2228

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1992

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2084

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2672

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2672 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2700

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
0b06d67a9caf6e6a3979fd1c9f597077

SHA1
db90c92e28500605df8f4730814900da3fda0db7

SHA256
44cc3155fa7f4b94bd7136272f963421802a65e36657ac93a9721f80aab0b686

SHA512
7646fe7e822fa135c8b9a1bc5465a12d0b2efc1c4c737d8fec127f0bc35b5842edf72789545a74f884ccf7587d22697eafa26d4982a6fc517862d0d51c95b3b9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
1706a8f84c122df45edeeefa268b7535

SHA1
2ce9fed2af50e48879a844d060f72df62f01690e

SHA256
eda78b6645375ff76436c29f9cdb88276a123c40c7fc99ae85c988c35168a039

SHA512
3f172f5444e583a2b8c13d62bc41a69bc1026fc32842a3502bbdd8223efb589ed196e49ed7bc2d856e946a5542677ff12443d4ea628b7108378a733c010bcb81

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
95761af94fcca09959b371beaf6f8dc2

SHA1
302d19243add155609f941015be861570f8309e8

SHA256
505ff7f767e3969528985e7915a6a06709985d6c0cd7d6d57975eb176a84e425

SHA512
6e3c2d753b6ecb714e053760b83320fe56bb01933594a88d5fa9b9be2af1a034cc5d76a065b55de5ce215967e0d80655e94ecf652d095d9be5112c19045591a6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
706de958f3e7dafa84caeb6a56af3e10

SHA1
285211759eab7d88e517ef32a44bbb0571046364

SHA256
17df1e304f0ce4f680a29c03de9e4ad36f94147376fd880a2d6661bc45421090

SHA512
522a4d01394be28906d3ef0dc2fd245da6f46932a1ef33ad89ea158edb66b388fd980c90ed64b0b6626368332dd7396bcb10cb35c98e7eef2dec9d1ee8e95b80

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
85235827d703ba79b1b21d132dacd2a0

SHA1
e17db1f284f682898f8eb2a530d329de488a677f

SHA256
4a666be990497a2e9381ef5b63b5e2ce04b7fdfcc7746921d1d812d45aa25d41

SHA512
499c73aac0f7513f047dd02f00dda60eaef98530f1fbbed0858628c8505ed0b17a27e79c641de64f13f4ce00823a9a1e99e99f8cb8ff6b6f25373d5edf595faf

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3C96.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4B8B.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1992-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1992-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1992-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2084-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2084-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2084-20-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2228-38-0x00000000748D0000-0x00000000749A2000-memory.dmp

Filesize
840KB

Download
memory/2228-1-0x00000000748C0000-0x0000000074992000-memory.dmp

Filesize
840KB

Download
memory/2228-99-0x0000000000140000-0x000000000016E000-memory.dmp

Filesize
184KB

Download
memory/2228-120-0x0000000000140000-0x000000000016E000-memory.dmp

Filesize
184KB

Download
memory/2228-5-0x0000000000140000-0x000000000016E000-memory.dmp

Filesize
184KB

Download
memory/2228-4-0x00000000747F0000-0x00000000748C2000-memory.dmp

Filesize
840KB

Download
memory/2228-3-0x00000000748D0000-0x00000000749A2000-memory.dmp

Filesize
840KB

Download