ramnit | 397a06a8dfebd9cecab74cf9563017042fbf04050a8f368b2b2ac644643d35c1

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 00:43

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General

Target
2144112e6180ba6dac7514c4972d3360_NeikiAnalytics.dll
Size 457KB
Sample240611-a2yrysxcjf
SHA256 397a06a8dfebd9cecab74cf9563017042fbf04050a8f368b2b2ac644643d35c1
MD5 2144112e6180ba6dac7514c4972d3360
SHA1 e96159f89a6ec9653180df80f50e2c9b0212ff1a
SHA512 f97a3d1fcb7134634213ddcf0c4b4eb27b8382e196e8fb428954ad2a105fd00b98ccc1febcded67f97fa3aa848139738e34d623f55de83745d92a65afd3948d2
SSDEEP 12288:Ha+VWigpr73NMMlti+mK0BNpb1QNLfziqXfjk4JFy8BuxgPrxt:H7Vhu9MM8LbSLmWjk4L4xgTxt
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 1 IoCs

pid	Process
800	rundll32mgr.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/800-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-17-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/800-21-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31112088"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1768327500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31112088"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1769889822"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1768327500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{94F11255-278B-11EF-9A94-7AB71B943571} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31112088"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424831567"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31112088"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1769889822"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe
800	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2652	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2652	iexplore.exe
2652	iexplore.exe
4368	IEXPLORE.EXE
4368	IEXPLORE.EXE
4368	IEXPLORE.EXE
4368	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
800	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 3360	4608	rundll32.exe	81
PID 4608 wrote to memory of 3360	4608	rundll32.exe	81
PID 4608 wrote to memory of 3360	4608	rundll32.exe	81
PID 3360 wrote to memory of 800	3360	rundll32.exe	82
PID 3360 wrote to memory of 800	3360	rundll32.exe	82
PID 3360 wrote to memory of 800	3360	rundll32.exe	82
PID 800 wrote to memory of 2652	800	rundll32mgr.exe	83
PID 800 wrote to memory of 2652	800	rundll32mgr.exe	83
PID 2652 wrote to memory of 4368	2652	iexplore.exe	84
PID 2652 wrote to memory of 4368	2652	iexplore.exe	84
PID 2652 wrote to memory of 4368	2652	iexplore.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2144112e6180ba6dac7514c4972d3360_NeikiAnalytics.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2144112e6180ba6dac7514c4972d3360_NeikiAnalytics.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3360
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:800
  - - 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:2652
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2652 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4368

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 088079d3c0c9b9117e2427529a2e6ddd19bd694d1180dabf72cb80dfad1fbad3
MD5 ba5c07e84aaf8703c7f383a82d696ce7
SHA1 f51fbe8032555f84974ed041a09cc6211d8ee0af
SHA512 987db2bb8c1a95f754c724f5921152a3e1f6a4ca7b7c79f7b927eca93e9251e73eb91d8a972c094061a8dbfb6ad82e5133ed64ffb7d9c9de946b705f4081d31f
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 963e3b6662b50229c064a89a878611bb99c86897ce794d249b8c261f7434d499
MD5 a4f5c8ea9306fa6948cb9b551a56acff
SHA1 47b78df377ce3c58077483431bdb7a5c331cc66b
SHA512 90c1d1834facd71f3aad073ca82ab214ad102408bf5fa71a17292bc91ef6f8ec8a153b92a91be34ab1999a327c8eded993f9d158610ac94bb2cf32ec246000d3
MD5 SHA1 SHA512

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verB258.tmp

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verB258.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\TF1TYUIH\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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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 84KB
SHA256 99e40a3654d832bb4090fdb7f6eb62abece0109d88c87651835b74af4bcb197d
MD5 5a4990694e4324c26ace7339664fc4b6
SHA1 e1d54ebd9223f127ee7a5cb00f1be151bb49548b
SHA512 7f41f0312325f0c09c7b444e237538e38f5e4578111e3f4277b266a1f107791a5ec1a670c6911befe8a3286ff521471cc67c2eac07f3d3dcd29b4081f07a3450
SSDEEP 1536:UekAwHxzZh2UXYmvdRmSZad2jN0RA0HU3QTgnGASkO6tX:pkAwRzhjdRmSZiA+0TnGhb6Z
MD5 SHA1 SHA512 SSDEEP

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memory/800-9-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-17-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-13-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-12-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

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memory/800-5-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/800-18-0x0000000077162000-0x0000000077163000-memory.dmp

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memory/800-14-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-15-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/800-16-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-21-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/800-20-0x0000000077162000-0x0000000077163000-memory.dmp

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memory/800-8-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-7-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/800-6-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/3360-1-0x0000000074B50000-0x0000000074BC8000-memory.dmp

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