ramnit | 4c0f5739bee96f83f50adbcfeb688c3a5c61f75c437a36dd3d15bcc015fba9f8

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 23:15

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General

Target
15a859ca01835b47e740764274243a20_NeikiAnalytics.dll
Size 456KB
Sample240604-28tv5afe98
SHA256 4c0f5739bee96f83f50adbcfeb688c3a5c61f75c437a36dd3d15bcc015fba9f8
MD5 15a859ca01835b47e740764274243a20
SHA1 3789f9ed09b9027931d56c49d6cd0d50de228f0f
SHA512 38a67998dabe847ee08e9c098d591291f2af338d73bec7de96daf6ec28e08b390fa110c23194aa6daa2840e2e2434dbb2a400d7fd444dd3f8515e7f2c762895d
SSDEEP 12288:X1xXGhVVoFdKEU/ZvaUyRRvTP9qYOS7Z3jQzpVBBlKTQwz5pKBxz2:XWVVhva6YX7tkdBcTQwK
MD5 SHA1 SHA512 SSDEEP

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

pid	Process
1476	rundll32Srv.exe
4968	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002342a-2.dat	upx
behavioral2/memory/1476-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1476-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4968-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4968-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px633E.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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31110869"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110869"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424307911"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31110869"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "774151208"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110869"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "774151208"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{59974B25-22C8-11EF-B541-C6ABD99EEC05} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "772588208"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "772588208"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe
4968	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4828	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4828	iexplore.exe
4828	iexplore.exe
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 4296	2832	rundll32.exe	84
PID 2832 wrote to memory of 4296	2832	rundll32.exe	84
PID 2832 wrote to memory of 4296	2832	rundll32.exe	84
PID 4296 wrote to memory of 1476	4296	rundll32.exe	85
PID 4296 wrote to memory of 1476	4296	rundll32.exe	85
PID 4296 wrote to memory of 1476	4296	rundll32.exe	85
PID 1476 wrote to memory of 4968	1476	rundll32Srv.exe	86
PID 1476 wrote to memory of 4968	1476	rundll32Srv.exe	86
PID 1476 wrote to memory of 4968	1476	rundll32Srv.exe	86
PID 4968 wrote to memory of 4828	4968	DesktopLayer.exe	87
PID 4968 wrote to memory of 4828	4968	DesktopLayer.exe	87
PID 4828 wrote to memory of 2040	4828	iexplore.exe	88
PID 4828 wrote to memory of 2040	4828	iexplore.exe	88
PID 4828 wrote to memory of 2040	4828	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15a859ca01835b47e740764274243a20_NeikiAnalytics.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\15a859ca01835b47e740764274243a20_NeikiAnalytics.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4296
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - 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:4968
    - - 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:4828
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4828 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 0b4fca26c5df83e56c2546e73669e4109b001da219915e4b698e64456ae9be03
MD5 df69ac288f6a29f7f75dfcc8283716e1
SHA1 0953cbb43062b9c35b2402c7c789fc2e358e5a33
SHA512 9bf9e819ce2fd8f774033acc7e72f444916e9507e7be72cf1b7f1ce6ca04759998b798ba5435e85bc9e10cbc1f6c5c875edb903fcaacc1caa87be8963360edb9
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 11f95fb10207550cf5ccfdfae698a897739b9dc9c69e682989d8806cfc297af0
MD5 2404284d133454ee32a3f219d187f151
SHA1 c2a7e830106340351d5bf729392a82015835bf8b
SHA512 500a8e239ee88c42ca43b677c4b2a8203f6be0df58b40cbab20eb7a2b111c5999e73d2a935b3f20aca4cd5fc111b757cacef69014e912aca449db43a82c776c3
MD5 SHA1 SHA512

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verDADF.tmp

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDADF.tmp
Size 15KB
SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
MD5 1a545d0052b581fbb2ab4c52133846bc
SHA1 62f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA512 bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
SSDEEP 384:79Jv9DF9/C9qc9/J9V791T9TK9Xf9Nm9xQ95a9BR9fV:79Jv9DF9/C9qc9/J9V791T9TK9Xf9NmT
MD5 SHA1 SHA512 SSDEEP

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6DEZ09S4\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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rundll32Srv.exe

Path C:\Windows\SysWOW64\rundll32Srv.exe
Size 111KB
SHA256 3a684f797acb5c5e3053347e623b704afb07f247dd8ae13ad06d274fecc8e126
MD5 82a16634262d96ed9382578897349462
SHA1 f3f18d6b9f860a770b5f3fa0ce95ede165f3a973
SHA512 5b39eaae0598a4363d40e4b4b67386ceffe032624115c2ca101ec41313e0dba54a154a4496703f0796c894abbc6375c99ba3fe2e0490335e0c9392639995deff
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzEaRJlVuROzN9eIvQyfRlF/K8:bROzoTq0+RO7IwnYE4vgZvSNu01IB1
MD5 SHA1 SHA512 SSDEEP

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memory/1476-7-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/1476-6-0x0000000000510000-0x000000000051F000-memory.dmp

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memory/1476-4-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4296-3-0x0000000074BB0000-0x0000000074C2A000-memory.dmp

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memory/4968-14-0x0000000000490000-0x0000000000491000-memory.dmp

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memory/4968-13-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4968-15-0x0000000000400000-0x000000000042E000-memory.dmp

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