ramnit | da2d7245abf8124c54ff551a2be3f59e9c68377659f45baa83180d14375df402

Analysis

max time kernel
135s
max time network
129s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 16:48

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General

Target

da2d7245abf8124c54ff551a2be3f59e9c68377659f45baa83180d14375df402.dll
Size

435KB
MD5

7344a89e1663417a3d7b142764224445
SHA1

edc7cf66d2a06dd0fbed0da1d3b980038a0d8027
SHA256

da2d7245abf8124c54ff551a2be3f59e9c68377659f45baa83180d14375df402
SHA512

024ce0bc4c670fa99c2a179a7868d827773f086437c00a5da7ac2627f7c56676484ae6f993ed4cf2f6d4855cbed9c116ef891deecb796f61a459679bc20cda4b
SSDEEP

6144:AmxIbni2hn/hZm8XqyQFAal+BtsnA6C4Xqu4G/LzliJacgQIxrR:Axni2h/hZm8XqyQFAu+nGA+xiJ3gQa

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
1476	rundll32Srv.exe
1876	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
3060	rundll32.exe
1476	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001225e-2.dat	upx
behavioral1/memory/1476-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1876-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1876-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px55E.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
2772	3060	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
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E0D464F1-A5CC-11EF-988C-4E66A3E0FBF8} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438110352"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1876	DesktopLayer.exe
1876	DesktopLayer.exe
1876	DesktopLayer.exe
1876	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2712	iexplore.exe
2712	iexplore.exe
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 3060 wrote to memory of 1476	3060	rundll32.exe	31
PID 3060 wrote to memory of 1476	3060	rundll32.exe	31
PID 3060 wrote to memory of 1476	3060	rundll32.exe	31
PID 3060 wrote to memory of 1476	3060	rundll32.exe	31
PID 1476 wrote to memory of 1876	1476	rundll32Srv.exe	32
PID 1476 wrote to memory of 1876	1476	rundll32Srv.exe	32
PID 1476 wrote to memory of 1876	1476	rundll32Srv.exe	32
PID 1476 wrote to memory of 1876	1476	rundll32Srv.exe	32
PID 3060 wrote to memory of 2772	3060	rundll32.exe	33
PID 3060 wrote to memory of 2772	3060	rundll32.exe	33
PID 3060 wrote to memory of 2772	3060	rundll32.exe	33
PID 3060 wrote to memory of 2772	3060	rundll32.exe	33
PID 1876 wrote to memory of 2712	1876	DesktopLayer.exe	34
PID 1876 wrote to memory of 2712	1876	DesktopLayer.exe	34
PID 1876 wrote to memory of 2712	1876	DesktopLayer.exe	34
PID 1876 wrote to memory of 2712	1876	DesktopLayer.exe	34
PID 2712 wrote to memory of 2736	2712	iexplore.exe	35
PID 2712 wrote to memory of 2736	2712	iexplore.exe	35
PID 2712 wrote to memory of 2736	2712	iexplore.exe	35
PID 2712 wrote to memory of 2736	2712	iexplore.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da2d7245abf8124c54ff551a2be3f59e9c68377659f45baa83180d14375df402.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da2d7245abf8124c54ff551a2be3f59e9c68377659f45baa83180d14375df402.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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:1476
  - - 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:1876
    - - 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:2712
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2712 CREDAT:275457 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 224
    3⤵
    - Program crash
    PID:2772

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
a6559e20e0788df74b36c75641b19ef6

SHA1
4d7b4f70bdd5a166ba3d2880304db71b32b4b0f2

SHA256
3afaff94fc052c191cbb3d56e6ae861a9c6b19342f54c0c3e1e46a52737df703

SHA512
b0c981e4af565fd49daf7b715d3991642558e6130dbacc602b04f3fcd4c78833dc00ed0a5215f78ef4f3380c456f24111659ff238c31892892bd42154df92805

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

Filesize
342B

MD5
8af27b683d4cc136b4b47dfbf5150670

SHA1
b8fe74f1576f6324def59cc46916ba9917cee38f

SHA256
2f52dd214c60cab44b75b68c1086a1bbe4e6992bef6cd712af279529ecc42a98

SHA512
1072d9409e75522fa647e5de5b6d7b5736521220969cfab8f281ea345cf478a4709cdf79c70c411d435003fbe0d3994c0a7b6a94820e893f11acb3d97e8fd0e5

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

Filesize
342B

MD5
a8ff4144ad843b69faa455112a022d79

SHA1
d4c60e2e7c1db4bc5ff8d90ba4b5bb3667a56886

SHA256
3a3b97dce4275fc2cbbf6a5c279464feaf210da8f1aeb5ab54ae1e978d9bc38d

SHA512
a4ce96097a94617cf26aca346165786c932ba23e34ed2a0a0b80c0f988eeb9d7776f9e7e013f6e9157e41198f8b5a9a203ee2ae0bd8c206ab1e0f9876bcda935

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

Filesize
342B

MD5
8666163d7a3bcb89fab643da5d00a931

SHA1
c8bdd6e157fbd727a4369477369bce351aa44f86

SHA256
ab9ae636eb957f10269ff8079e9b981b7afd70000ff4fa2f25d052c9a28ea150

SHA512
e8c1b778e8b6444974ca5c6306ccacfd145871ac05734d11b539bddcc33fb2610bcd6a03e27f9d3f13ec9851251e0010b812b5ddd26da5500974614bed99a225

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

Filesize
342B

MD5
01484ec1f76bf16c65fe5e07683e19df

SHA1
3492d2bc6a7046939e3bb6a894f0842000849387

SHA256
f90cd90b62cd639b7d9dba52a2aeac432b1dcbde02881acfae68e37abc3d5d86

SHA512
c503ed78c2776a6abec10a22b81c2a580fe82644b9e0318b0e63ec79e2f5e4bce400eda473bee8cd3954e30e5290f16f67b74e65c0a34fcd167c8238481fe8dd

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

Filesize
342B

MD5
ef7f547936e09572382b45795529b87e

SHA1
2157ba69d5c9b6e364c6daad844e47221ffd5970

SHA256
b70ccc753c900797fdd3d6299a9d4f6643fe62dafa19129c1e9cbb82e0bd7c80

SHA512
2dd1f5e8c0ba6416445dd86912218adeb4d551e7a84859b7c6826a030e589153e2130d225bf0aff842d21c217f600b2171d86118990f08730bc7493aa8a8cba9

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

Filesize
342B

MD5
ba21117fcd73922e8e3973160f4ae376

SHA1
2bc3ece62fd03e83fef81d536587321853913051

SHA256
d2f1ce5e76e6ace41093c9c5ed2b680f21f5d7dd2742e9b683c9c91f6179f9a9

SHA512
7e7b078867cdb84470adba995fc581af40eedd36a17311cbc6e347113d03111a70207c717e2f2b532904b2240eff5c1b63b9e1341bdfe23417300f46dcf79cac

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

Filesize
342B

MD5
2dbaa193cdba008fc15ee21cd8c6483f

SHA1
3679edecff9d026fe1ca1b569300897148c9cdc4

SHA256
0cc4419fdbc215188ac8e9113047243b15565004bf7b67985d50534e18621075

SHA512
7cbac966e282b6af50319ea4a370ec964134e96aea717355eb97a866677f2f69c311d811302b555452fb557361a0bdfdd4269d92e3d3437f98311797d1698034

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

Filesize
342B

MD5
72e4af369ce4ce86262e28736758de14

SHA1
0893c5524b6642b3044e54f1bd90c2b9b060ede5

SHA256
54bcdbfd774b6837dc34f1497df391bbfe5fa2592fcc6c30f53c0b3b9055674c

SHA512
d4fb65b641129e4c7330b9c4181db6b1da365ea412f205d461a11d65c3da2d514fe184eeb07bfa90bf41f0ac3b0f42d815cb4dcbc4f5769f46dc3ad82ce7a0f1

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

Filesize
342B

MD5
2087dba93d8a97747c1ee031d5a29c26

SHA1
37e7eeaa0bd7f7c1b75b256cda87fecbffb27763

SHA256
8ab065acda594009dcc5029fa5e7c5a3c176535fb622677694539353cdaaf3e3

SHA512
df5f0915eaf6945107350cc7d4cc12f46c0d194c9c486ca2636f57dba7489f1802a4f54945364dee2d7b7003a4743cf873737f5ededdee81a5bfd67c5779b2c2

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

Filesize
342B

MD5
5d86df010f61dd6523bc342d2c16a79c

SHA1
92a18ea4f829926e901c9c9cc620506e5050a601

SHA256
eb01be88b924938a7ede9aca45af03add7d1d94a0c66a696cc43d8003a91d072

SHA512
6d212734573c96a9fcc520e7aebcce9ebb6cf2e99d1734714d32f1649de7099aad4e710ce38b12bc459e3dbc32e73ab0732d8e5985c96124edbd5f24e19c8725

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4A7B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4ACC.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/1476-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1476-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1876-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1876-18-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1876-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3060-0-0x0000000000210000-0x0000000000284000-memory.dmp

Filesize
464KB

Download
memory/3060-22-0x0000000000210000-0x0000000000284000-memory.dmp

Filesize
464KB

Download
memory/3060-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3060-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download