ramnit | 0df07849041db7ec6da536f32e56147a3cfd3d75a5bef715b03752aa8e248ef5

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 01:00

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General

Target

91addb43efb1576a2d3b3c05283076b0_JaffaCakes118.dll
Size

265KB
MD5

91addb43efb1576a2d3b3c05283076b0
SHA1

7ae0d5d419778b3c7d1391f61e25b39ab60dfb1a
SHA256

0df07849041db7ec6da536f32e56147a3cfd3d75a5bef715b03752aa8e248ef5
SHA512

9828b1ccc61c226a04c26607f0c97ac634e6b6b1b38a92d502c8e13bbe7fb6a4115e00990966c28e9ff02d4aa940ec36e37d4f21dd327daa11150f0bafe358d9
SSDEEP

6144:mB9OCh1IOOcPWSMOjLEmZamm8eiG9loCR1:mB9O7jwWSjZnpy9loCR1

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
3968	rundll32mgr.exe
2572	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3968-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2572-26-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/2572-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3968-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2572-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2572-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2572-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2572-43-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px753F.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	2504	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145484"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145484"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7F28A465-A9FF-11EF-AF2A-CAFD856C81B1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1414120545"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31145484"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1414276495"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1414120545"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439175004"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31145484"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1414276495"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe
2572	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1064	iexplore.exe
1064	iexplore.exe
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE
1188	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3968	rundll32mgr.exe
2572	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 4236	4540	rundll32.exe	83
PID 4540 wrote to memory of 4236	4540	rundll32.exe	83
PID 4540 wrote to memory of 4236	4540	rundll32.exe	83
PID 4236 wrote to memory of 3968	4236	rundll32.exe	84
PID 4236 wrote to memory of 3968	4236	rundll32.exe	84
PID 4236 wrote to memory of 3968	4236	rundll32.exe	84
PID 3968 wrote to memory of 2572	3968	rundll32mgr.exe	85
PID 3968 wrote to memory of 2572	3968	rundll32mgr.exe	85
PID 3968 wrote to memory of 2572	3968	rundll32mgr.exe	85
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 2504	2572	WaterMark.exe	86
PID 2572 wrote to memory of 1064	2572	WaterMark.exe	92
PID 2572 wrote to memory of 1064	2572	WaterMark.exe	92
PID 2572 wrote to memory of 412	2572	WaterMark.exe	93
PID 2572 wrote to memory of 412	2572	WaterMark.exe	93
PID 1064 wrote to memory of 1188	1064	iexplore.exe	95
PID 1064 wrote to memory of 1188	1064	iexplore.exe	95
PID 1064 wrote to memory of 1188	1064	iexplore.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91addb43efb1576a2d3b3c05283076b0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91addb43efb1576a2d3b3c05283076b0_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4236
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.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:3968
  - - 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:2572
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2504
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 204
        6⤵
        Program crash
        
        PID:544
    - - 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:1064
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1064 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1188
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:2076

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
7fecd001d472e28495336306d3e0b570

SHA1
7dabf5687a11d1d8f92f8ffd348fb73bf077e960

SHA256
d3b1b54dfa02ea5cf017cd692023d382defa55e40749816bbddcc3e8ef5e9bff

SHA512
5255e2e7897f3abc246464dacea7d32b54a8bdb88806e9d0f54a3d23e76074e2a88adaa35789c32b68d0ca8d6f67726c9ceec31597f3b05628b29cd52af613db

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

Filesize
404B

MD5
7f7ee295ddbdacd3f2abc8334f149ebe

SHA1
be874e4669eb580a8c7e41b5eb8e0b9be3a84d98

SHA256
4d9199fecc75dd9cbc7a0a846d0e49059cf8faa09495488d1c1797a6d445e3c0

SHA512
14a852b294f92863627f6b76bfaec93b8b0f92806fc02689ff953b4b22c1201ecd2aceb42568deaf4a4cfb2166031fce56b66ddafa5927e4ead07a6109efdb1e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFCA0.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
112KB

MD5
d991de961bb094d782cdba825249bb59

SHA1
695b3ede0c83cfec976b10ec38606ab912a7074b

SHA256
9d1853688bce399ed5ef5c8e76dd3ddffa6d15a0b29a9eb11e5746dce781fd9c

SHA512
10aca884bd85145ddc64181d21eb97ce837988029261bbe04c6dd0ceb2d12c88e34bba59c80879b7be7857c10ca46478613cce10da32f86aa2e24de3192f6146

Download Submit
memory/2504-36-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2504-35-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2572-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2572-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2572-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2572-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2572-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2572-29-0x0000000003100000-0x0000000003101000-memory.dmp

Filesize
4KB

Download
memory/2572-33-0x0000000077072000-0x0000000077073000-memory.dmp

Filesize
4KB

Download
memory/2572-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2572-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2572-37-0x0000000077072000-0x0000000077073000-memory.dmp

Filesize
4KB

Download
memory/3968-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3968-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3968-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-31-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3968-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3968-12-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/3968-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4236-0-0x0000000074A90000-0x0000000074AD6000-memory.dmp

Filesize
280KB

Download