ramnit | b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0

Analysis

max time kernel
93s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:28

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General

Target

b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
Size

123KB
MD5

fd69ce71d5c0f7df5bc39843f6db52c0
SHA1

2a58116ba8738dba53cff79533b8366f9e3d3530
SHA256

b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0
SHA512

5cf0bc4e465b11b8b06f0d4302d04b19d0b74ef477b9dbcf7e86a8f728cbdc3ae83e62b2df1ae68c26047ac6f8b9bba9c1131317f35b1c679e4491275fbb6974
SSDEEP

1536:+k4CEi1tQDbHLiYXGsnv5u3lFf7A0jbgEQ277yKPJe6TL:+k4CEi1giwzvE7fLbaKJL

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2016	regsvr32mgr.exe
3872	WaterMark.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2016-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3872-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3872-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3872-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2016-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3872-40-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3872-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3872-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px70EA.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1076	4072	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150710"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "621947580"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441419475"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{50B48B8F-BE69-11EF-A7EA-D2BD7E71DA05} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150710"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150710"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "625072995"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "621947580"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe
3872	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3864	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3864	iexplore.exe
3864	iexplore.exe
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2016	regsvr32mgr.exe
3872	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 5052	4468	regsvr32.exe	83
PID 4468 wrote to memory of 5052	4468	regsvr32.exe	83
PID 4468 wrote to memory of 5052	4468	regsvr32.exe	83
PID 5052 wrote to memory of 2016	5052	regsvr32.exe	84
PID 5052 wrote to memory of 2016	5052	regsvr32.exe	84
PID 5052 wrote to memory of 2016	5052	regsvr32.exe	84
PID 2016 wrote to memory of 3872	2016	regsvr32mgr.exe	85
PID 2016 wrote to memory of 3872	2016	regsvr32mgr.exe	85
PID 2016 wrote to memory of 3872	2016	regsvr32mgr.exe	85
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 4072	3872	WaterMark.exe	86
PID 3872 wrote to memory of 3864	3872	WaterMark.exe	91
PID 3872 wrote to memory of 3864	3872	WaterMark.exe	91
PID 3872 wrote to memory of 1280	3872	WaterMark.exe	92
PID 3872 wrote to memory of 1280	3872	WaterMark.exe	92
PID 3864 wrote to memory of 4032	3864	iexplore.exe	94
PID 3864 wrote to memory of 4032	3864	iexplore.exe	94
PID 3864 wrote to memory of 4032	3864	iexplore.exe	94

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      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:3872
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:4072
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 204
        6⤵
        Program crash
        
        PID:1076
    - - 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:3864
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3864 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4032
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4072 -ip 4072
1⤵
PID:4832

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
e5ade6c00eff82e29d72a64e434c59bf

SHA1
39f7f2422694b953c56df2951bfa90e0ecc0bd5b

SHA256
a53cbf629f2b9e3e7ae51aad0cf20047fe6eedffe9b13e929036ec79c7de9501

SHA512
63e7b8bb83431752d876866898cc39d26a1b4494eff1f28c97d3c007849a46e93ed16f893156bb35b127d4717eed390e1cd1a2230ec8742c391af04bedb3ccbb

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
f9d4425491134baee7a842734e1e35f8

SHA1
619fb807f459a18dd76a49fe9f19a1c1d400dfa5

SHA256
7b99f8ad0a73d7ad4b9a67fc4c1f8550c6b483a07de33df46e72c30928e6810e

SHA512
fa5c04e40401e5a25fbf544960f89516ff59fad5ca43fdb7f102114f8de44ebf57cab240b3f41c6869cb1922c66a40bf6bf1d37b598576f2a756b995dba839d0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
116KB

MD5
242f5fffb519c398b15866ca79206620

SHA1
48a4f008d6c304992499f820ebc7a707e358545e

SHA256
0c8b4e7d06339dadeb05599c49e3e167bb1bc9153b418fdcf37e9e4e2622cbf6

SHA512
d7b86f66e11a6eea286ac2d911241c336c703c30a8f343529fdb1323b1c724f3fd8d19a8f76b998a57c04ca317681f5d99066c8fafabce2ff445599fbce5bc47

Download Submit
memory/2016-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-17-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2016-15-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2016-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-5-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2016-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2016-32-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2016-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2016-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-22-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3872-40-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3872-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-31-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3872-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3872-34-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/3872-39-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/3872-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4072-37-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/4072-36-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/5052-1-0x00000000754E0000-0x0000000075503000-memory.dmp

Filesize
140KB

Download