ramnit | 42c21df909903a9a1bb2d7ed974ab0416dcd406ec8c4dc47920ec775bcfd1276

Analysis

max time kernel
131s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 17:08

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General

Target

42c21df909903a9a1bb2d7ed974ab0416dcd406ec8c4dc47920ec775bcfd1276.dll
Size

555KB
MD5

0cf92839223df699698b2afc030de823
SHA1

429dc9a163df45be822f7d0cd316b7c3fdbd77d6
SHA256

42c21df909903a9a1bb2d7ed974ab0416dcd406ec8c4dc47920ec775bcfd1276
SHA512

a20fe04621e02f986ad02d23835ccd87507581d7dc8cc09ad9ece6fde820191aa2ca216c29316a823112bdee42a226cf9509f94cdd32fa863bb455a7764ce163
SSDEEP

12288:dyqgcrD435oCGZ7rqhR4CaPSEc8B+XLEqIeX6gAy/T:dL4SrZoRvaPSVXMeBAGT

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
604	rundll32mgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/604-62-0x0000000000400000-0x0000000000496000-memory.dmp	upx
behavioral1/memory/604-64-0x0000000000400000-0x0000000000496000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1516	rundll32.exe
1516	rundll32.exe

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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff5600000000000000dc04000065020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374671921"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{827D3D81-5F58-11ED-AF38-FE72C9E2D9C9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	604	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1076	iexplore.exe
1076	iexplore.exe
1076	iexplore.exe
1076	iexplore.exe

Suspicious use of SetWindowsHookEx 22 IoCs

pid	Process
1076	iexplore.exe
1076	iexplore.exe
840	IEXPLORE.EXE
840	IEXPLORE.EXE
840	IEXPLORE.EXE
840	IEXPLORE.EXE
1076	iexplore.exe
1076	iexplore.exe
360	IEXPLORE.EXE
360	IEXPLORE.EXE
360	IEXPLORE.EXE
360	IEXPLORE.EXE
1076	iexplore.exe
1076	iexplore.exe
1076	iexplore.exe
1076	iexplore.exe
1592	IEXPLORE.EXE
1592	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1592	IEXPLORE.EXE
1592	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1508 wrote to memory of 1516	1508	rundll32.exe	26
PID 1516 wrote to memory of 604	1516	rundll32.exe	27
PID 1516 wrote to memory of 604	1516	rundll32.exe	27
PID 1516 wrote to memory of 604	1516	rundll32.exe	27
PID 1516 wrote to memory of 604	1516	rundll32.exe	27
PID 604 wrote to memory of 1076	604	rundll32mgr.exe	28
PID 604 wrote to memory of 1076	604	rundll32mgr.exe	28
PID 604 wrote to memory of 1076	604	rundll32mgr.exe	28
PID 604 wrote to memory of 1076	604	rundll32mgr.exe	28
PID 1076 wrote to memory of 840	1076	iexplore.exe	30
PID 1076 wrote to memory of 840	1076	iexplore.exe	30
PID 1076 wrote to memory of 840	1076	iexplore.exe	30
PID 1076 wrote to memory of 840	1076	iexplore.exe	30
PID 604 wrote to memory of 816	604	rundll32mgr.exe	31
PID 604 wrote to memory of 816	604	rundll32mgr.exe	31
PID 604 wrote to memory of 816	604	rundll32mgr.exe	31
PID 604 wrote to memory of 816	604	rundll32mgr.exe	31
PID 1076 wrote to memory of 360	1076	iexplore.exe	32
PID 1076 wrote to memory of 360	1076	iexplore.exe	32
PID 1076 wrote to memory of 360	1076	iexplore.exe	32
PID 1076 wrote to memory of 360	1076	iexplore.exe	32
PID 604 wrote to memory of 1224	604	rundll32mgr.exe	34
PID 604 wrote to memory of 1224	604	rundll32mgr.exe	34
PID 604 wrote to memory of 1224	604	rundll32mgr.exe	34
PID 604 wrote to memory of 1224	604	rundll32mgr.exe	34
PID 604 wrote to memory of 540	604	rundll32mgr.exe	35
PID 604 wrote to memory of 540	604	rundll32mgr.exe	35
PID 604 wrote to memory of 540	604	rundll32mgr.exe	35
PID 604 wrote to memory of 540	604	rundll32mgr.exe	35
PID 1076 wrote to memory of 1400	1076	iexplore.exe	36
PID 1076 wrote to memory of 1400	1076	iexplore.exe	36
PID 1076 wrote to memory of 1400	1076	iexplore.exe	36
PID 1076 wrote to memory of 1400	1076	iexplore.exe	36
PID 1076 wrote to memory of 1592	1076	iexplore.exe	37
PID 1076 wrote to memory of 1592	1076	iexplore.exe	37
PID 1076 wrote to memory of 1592	1076	iexplore.exe	37
PID 1076 wrote to memory of 1592	1076	iexplore.exe	37

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c21df909903a9a1bb2d7ed974ab0416dcd406ec8c4dc47920ec775bcfd1276.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c21df909903a9a1bb2d7ed974ab0416dcd406ec8c4dc47920ec775bcfd1276.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:604
  - - 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:1076
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:840
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:209934 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:360
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:275482 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1400
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:603146 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1592
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:816
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1224
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:540

Network

MITRE ATT&CK Enterprise v6

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\N5JIZTQK.txt

Filesize
537B

MD5
26c0bec69ac370d78c6f9038b30414d1

SHA1
5ef66f0d9a0ff79dca6e1055efffba2c45b39177

SHA256
c75edc9a711d113562442d29313aad72098fc84f2bce99b68c28ae6aafb5b478

SHA512
c8a424d91e5c9573cab369a7c8f675ac1dda82a6153cb37cdc13b9b8a13b9a462225a575d4b7cfc918bdd9d7e5145ec91bbd0efc7f68c828b46e8db4a3ac96eb

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
memory/604-61-0x0000000001F30000-0x0000000002020000-memory.dmp

Filesize
960KB

Download
memory/604-62-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/604-64-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1516-55-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download