ramnit | d3f0b27a8ce5edeea863f3c530d3c833e50cd6184cdcc0c4431b9bbc6f7f8d82

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
28/08/2026, 15:02

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General

Target
d3f0b27a8ce5edeea863f3c530d3c833e50cd6184cdcc0c4431b9bbc6f7f8d82.dll
Size 4.8MB
Sample260828-seq3psbk9s
SHA256 d3f0b27a8ce5edeea863f3c530d3c833e50cd6184cdcc0c4431b9bbc6f7f8d82
MD5 fd8991c2116315818d4c5d15338d1610
SHA1 481a6e2998ccfc0e68a4b61e1e1041efb9e01ce4
SHA512 277075aec45afe9d0a59c3ce68972a4970a823102fd78ce06bf4dce740131a4dc5fbb6e478d7ecb9aa9bf76cf0834e5e12935bba229089f8edb582ede9510953
SSDEEP 98304:zaTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/uk+:zaTiZ7qfRmp3QZ6/+9Fu/v0AmWh+
TLSH
T19636BE127BC2C47BC6030236985B936D51B5EFB14B3686E378D4BB2E1E386C36E35985
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

adware banker discovery ramnit spyware stealer trojan upx worm

Malware Config

Signatures

Family: 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
5268	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5268-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-19-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral1/memory/5268-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "494694365"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1470213073"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31274750"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{828A1810-A2F1-11F1-B05C-C69B2EA1B5B9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe
5268	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5268	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5044	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5044	iexplore.exe
5044	iexplore.exe
5476	IEXPLORE.EXE
5476	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
5268	rundll32mgr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5944 wrote to memory of 1760	5944	rundll32.exe	86
PID 1760 wrote to memory of 5268	1760	rundll32.exe	87
PID 5268 wrote to memory of 5044	5268	rundll32mgr.exe	88
PID 5044 wrote to memory of 5476	5044	iexplore.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3f0b27a8ce5edeea863f3c530d3c833e50cd6184cdcc0c4431b9bbc6f7f8d82.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3f0b27a8ce5edeea863f3c530d3c833e50cd6184cdcc0c4431b9bbc6f7f8d82.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:5268
  - - 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:5044
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5044 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5476

Network

MITRE ATT&CK Enterprise v16

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

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GI7SXTIE\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
TLSH
T13A823E4E61D88F57EA47B6B2D9084EA702E0C8794716DB93D62CFE63CDE33B25D02161
MD5 SHA1 SHA512 SSDEEP TLSH

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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 129KB
SHA256 523503d21cdfb222a85649cfe151591ca8fdba56c80c3f4b1cff0dcb54420aa7
MD5 d13ff0f0e139843d06bb4defaf17d22d
SHA1 df85dd3bf9f2e20beda66d161c6f8eb0de468f79
SHA512 5d7f54fb0fb5ceb9ed11bf6ed89af605a3c622a8b35bf0d201099bc607f936d11e4ab1cc46af2c00ccdc6fea051136225a95d72b3856c7eb00aa4768db74a2f4
SSDEEP 3072:4kAwOzhjdRmSZiAqFbrnp+KsYGngwO85jj1zrhC:kw8h/7PCkKsYGgY5HBFC
TLSH
T1C4D3D05383C5ECCBC4F9EF34C96E7415BE9C5A952EC6A827B485316B2FE36013810DA9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1760-4-0x0000000006000000-0x00000000064D2000-memory.dmp

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memory/5268-18-0x00000000776B2000-0x00000000776B3000-memory.dmp

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memory/5268-15-0x00000000006E0000-0x00000000006E1000-memory.dmp

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memory/5268-14-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-16-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-19-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-13-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-11-0x0000000000680000-0x0000000000681000-memory.dmp

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memory/5268-10-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-8-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-7-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-6-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5268-5-0x0000000000400000-0x0000000000420000-memory.dmp

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