ramnit | d3bc6d478fe83ba7eecb168c953da52e1c81c8254a043a1502d80f877d5c1388

Analysis

max time kernel
72s
max time network
73s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 09:14

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General

Target

d3bc6d478fe83ba7eecb168c953da52e1c81c8254a043a1502d80f877d5c1388N.dll
Size

96KB
MD5

5a52b60311610893ed60516418324680
SHA1

3bbf7e700878a58e8fae80ceacae96a64740b976
SHA256

d3bc6d478fe83ba7eecb168c953da52e1c81c8254a043a1502d80f877d5c1388
SHA512

e28d1d37c165743c135026a04b748ae91703c4fb37bcfbcba6a3bce5832dbe50f568e7a1f98364444bcf4fb60f68858aee52722a648516fa65147aefd8dd282a
SSDEEP

1536:5ibToqp78CclR6LYRuh0VcULn4WaX6EVvTHX2XI+47qPM0LYp:5ibTTp78CcvIXh0VcUj4We62GIqPM0Ep

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2168	rundll32Srv.exe
2996	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2184	rundll32.exe
2168	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-8.dat	upx
behavioral1/memory/2168-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2168-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2996-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2996-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxEFEA.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2184	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CE897501-C369-11EF-969B-D60C98DC526F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441366340"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2996	DesktopLayer.exe
2996	DesktopLayer.exe
2996	DesktopLayer.exe
2996	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2688	iexplore.exe
2688	iexplore.exe
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2648 wrote to memory of 2184	2648	rundll32.exe	30
PID 2184 wrote to memory of 2168	2184	rundll32.exe	31
PID 2184 wrote to memory of 2168	2184	rundll32.exe	31
PID 2184 wrote to memory of 2168	2184	rundll32.exe	31
PID 2184 wrote to memory of 2168	2184	rundll32.exe	31
PID 2168 wrote to memory of 2996	2168	rundll32Srv.exe	33
PID 2168 wrote to memory of 2996	2168	rundll32Srv.exe	33
PID 2168 wrote to memory of 2996	2168	rundll32Srv.exe	33
PID 2168 wrote to memory of 2996	2168	rundll32Srv.exe	33
PID 2184 wrote to memory of 2812	2184	rundll32.exe	32
PID 2184 wrote to memory of 2812	2184	rundll32.exe	32
PID 2184 wrote to memory of 2812	2184	rundll32.exe	32
PID 2184 wrote to memory of 2812	2184	rundll32.exe	32
PID 2996 wrote to memory of 2688	2996	DesktopLayer.exe	34
PID 2996 wrote to memory of 2688	2996	DesktopLayer.exe	34
PID 2996 wrote to memory of 2688	2996	DesktopLayer.exe	34
PID 2996 wrote to memory of 2688	2996	DesktopLayer.exe	34
PID 2688 wrote to memory of 2692	2688	iexplore.exe	35
PID 2688 wrote to memory of 2692	2688	iexplore.exe	35
PID 2688 wrote to memory of 2692	2688	iexplore.exe	35
PID 2688 wrote to memory of 2692	2688	iexplore.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3bc6d478fe83ba7eecb168c953da52e1c81c8254a043a1502d80f877d5c1388N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3bc6d478fe83ba7eecb168c953da52e1c81c8254a043a1502d80f877d5c1388N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2996
    - - 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:2688
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2688 CREDAT:275457 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 224
    3⤵
    - Program crash
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1180c7a47ab663eff8e5b3e373bf8f4f

SHA1
b9a52d8f90d5556841d4e941ad51d8572f5536a7

SHA256
603d5203a1825e23f39560f42f6ac0d22da7bbf168dec5b8d519f4624abcee83

SHA512
bd3e321b3c8f1c3429c897785be88ef005fbbb5c3ab7a36b0c0acec3daabc62637f87a985dbca727ecb61e9ab15425e5d0fff4cea4f2a49caa2c8bda440f1c4d

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

Filesize
342B

MD5
594d95e22cee7a4b2da59331e6553f26

SHA1
d2b0b05099c8b4281939194c305cac572faedada

SHA256
fddbec613fbc7c75f54c28a2d231177526588710835bbdf8efdd23cd4e8b5745

SHA512
6b4e5071dc863aff5a2d7b609b53c32ec4d631a49ec9dfb375e14806d5408e012eb15a2879e9032e206565f3a5bfd402cd052d17f6db2434c5cc159cdb58328b

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

Filesize
342B

MD5
ca16feb21e168e9fc838d7ef8bad7a85

SHA1
07dd4d38edd35e19c63d87798d4068ea22631193

SHA256
766506a99afc45d2294756434a08ea9e00c8c828453b4bb38aabde0a6fb1e764

SHA512
10e1a0b0b28fa358634275777eb18ce4fccc7ce1d32c4810664e76b7e0327a54ad15ec6796b4abfd2b78b70f1fcf9d9cca1c00a864d55e38c9093aea429c1a00

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

Filesize
342B

MD5
216d6b0c8cafa4026cbd629b73973442

SHA1
a7ee0e6ac85221154dc6e459bb2df5acc88f2a8d

SHA256
a127e087679f3107d5a571cbfa192dfd13cfc1e704e9502e9380cd3d5260b719

SHA512
cb64d9105236ee5546d477e9eed0018118b930d7848f9ad6b7d17daff92220fdda96932c7d0d0efb3a91191c2e4e743f0d36350d17720ba19f4f82b4fc4d3a85

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

Filesize
342B

MD5
358d4a2ab612e202a5eb95806c947c78

SHA1
50ae2c0ce57f781d7c827585dc088b3e46220798

SHA256
e4bf6900bc5ec9f383e51f4c3adf674c2d28e51712792b9dff5b411b002124f2

SHA512
667e7db6176680eb70833c84070fe3fb85b16fd460f7398de8a1289aba97ce373bc6a552f0e9a2af7af3da7511ff85c22a42c1bf300dbcfca9816606883521dc

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

Filesize
342B

MD5
89f30a8aba1c1fa39bad644a1f0e0c34

SHA1
98f4b6c3c39347f3f74c6c82ff48462487a6b4cd

SHA256
90b64cadfa39aefcf43d6a97b98d3c78945d04630096ae6c6840851c97f2256a

SHA512
8d03e8261ce46538753c8f6fc1fdb47074feb5081d4d089ddbb3d1ff5b65ac1a75ab6b8e254c6184c7809c14f38ea05dfceb8d3a01db862c72784ca4767e0c31

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

Filesize
342B

MD5
1e84b167b8cc3c7a495a28e040589fea

SHA1
45405ef9430639bf3e0bc89b2d24513368a9c97e

SHA256
6e6b7128567b6cb4bd6ae470f3ee3beaf3dc1ef2e028ca6c4f2aeec04e34fde7

SHA512
ea1add3c5910ef2b067392e9a4c8ba1415db85fa86764e6899ba80cf9e21d4e9c749ee786658da3ad7fede38429fedaf9abf23cff509d3c98a667f9f19f4f00c

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

Filesize
342B

MD5
7d26702a8e5a7d30422d2c25817cae29

SHA1
86d59007f7d3cec906115070aef0d846a9a3aae5

SHA256
001b1488144f5c48c61bcd5fece37490d28cf01b7fc00a809352e9257e1e7538

SHA512
dc6934b5aaad369f6005fef04814bee072e2d3e6c9d01f3738b223c30eedf68f10a0f2da316eece96faea36f11b1dc741c654d2c7f4140e4e620494823ce6e0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6B8.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar738.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2168-9-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2168-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2168-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2184-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2184-22-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download
memory/2184-1-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download
memory/2184-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2996-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2996-19-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2996-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download