ramnit | 2c2223118482b065a742d8eabd29b4a725febb2358d2fcd68046ada756a0e5d1

General

Target

2c2223118482b065a742d8eabd29b4a725febb2358d2fcd68046ada756a0e5d1.dll
Size

548KB
MD5

2c2df6f428b323150e7db485febfa620
SHA1

12a5e91329f1fc699b1f1edc46c2c6705fcae2fe
SHA256

2c2223118482b065a742d8eabd29b4a725febb2358d2fcd68046ada756a0e5d1
SHA512

681fefe0be117c89ef342aa9ccbd5eef9a08aa93605a3b8ed0a12a00b7738dcaa1044a3c45270345428cb041bd0df5c620c060db9f0b74a151cd09719d0e3b53
SSDEEP

12288:mhpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUaLRgLSaT:m/jG01NHXaPuLRWSaT

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
888	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/888-61-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/888-62-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/888-60-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/888-64-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/888-65-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
904	rundll32.exe
904	rundll32.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1076	904	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5F58C491-6995-11ED-9681-FAF5FAF3A79A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375797560"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
888	rundll32mgr.exe
888	rundll32mgr.exe
888	rundll32mgr.exe
888	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	888	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2004	iexplore.exe
2004	iexplore.exe
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
888	rundll32mgr.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 1528 wrote to memory of 904	1528	rundll32.exe	27
PID 904 wrote to memory of 888	904	rundll32.exe	28
PID 904 wrote to memory of 888	904	rundll32.exe	28
PID 904 wrote to memory of 888	904	rundll32.exe	28
PID 904 wrote to memory of 888	904	rundll32.exe	28
PID 904 wrote to memory of 1076	904	rundll32.exe	29
PID 904 wrote to memory of 1076	904	rundll32.exe	29
PID 904 wrote to memory of 1076	904	rundll32.exe	29
PID 904 wrote to memory of 1076	904	rundll32.exe	29
PID 888 wrote to memory of 2004	888	rundll32mgr.exe	30
PID 888 wrote to memory of 2004	888	rundll32mgr.exe	30
PID 888 wrote to memory of 2004	888	rundll32mgr.exe	30
PID 888 wrote to memory of 2004	888	rundll32mgr.exe	30
PID 2004 wrote to memory of 1744	2004	iexplore.exe	32
PID 2004 wrote to memory of 1744	2004	iexplore.exe	32
PID 2004 wrote to memory of 1744	2004	iexplore.exe	32
PID 2004 wrote to memory of 1744	2004	iexplore.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c2223118482b065a742d8eabd29b4a725febb2358d2fcd68046ada756a0e5d1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c2223118482b065a742d8eabd29b4a725febb2358d2fcd68046ada756a0e5d1.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:904
- - 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:888
  - - 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:2004
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 236
    3⤵
    - Program crash
    PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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\3HRPQ2E3.txt

Filesize
608B

MD5
e37481bd987fe05b59770bb50eaa563b

SHA1
52c9cbe68907736da4669ca13693623e364298c0

SHA256
93881dd8abe570ad8825fdaaf3407aa8baef94fd4334f3ef38d5e8e1fbd2e076

SHA512
472c253d889f6d12f24300a2cabca955b78ab4790866c68a8ad0582b172f39a32e6c653d182593670d919261996b037b41bcf679d5560f87e2fe3667baaa8218

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

Filesize
87KB

MD5
58da7ff3c598b41bbe4cb76d5666aaa8

SHA1
e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

SHA256
885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

SHA512
c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
87KB

MD5
58da7ff3c598b41bbe4cb76d5666aaa8

SHA1
e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

SHA256
885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

SHA512
c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
87KB

MD5
58da7ff3c598b41bbe4cb76d5666aaa8

SHA1
e0b965f7a4e4bbeede3d1d4a82beab1209b2f2f6

SHA256
885c8e15532b46d2203b50c67f593288968be6d5f7c79e19b637e0129a1f5987

SHA512
c05ead242fe60c4aea4a034748edc2329cc31ebcad7b9895d1d0cc8a01e2891d40cfd2adda733780c5ecec0abbad71d5a30e55659752ee7199dadc3332cf027b

Download Submit
memory/888-62-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/888-64-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/888-61-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/888-65-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/888-60-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/904-66-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/904-68-0x0000000000140000-0x000000000015A000-memory.dmp

Filesize
104KB

Download
memory/904-67-0x0000000000140000-0x000000000015A000-memory.dmp

Filesize
104KB

Download
memory/904-55-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/904-70-0x0000000000140000-0x000000000015A000-memory.dmp

Filesize
104KB

Download
memory/904-71-0x0000000000140000-0x000000000015A000-memory.dmp

Filesize
104KB

Download

Analysis

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