ramnit | fb58ba6a44d5dd40a677b7da027011169ae9765c16e62743868c6e273612b6ce

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 01:35

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General

Target

184ff73a94684953b217fdd594a4cc1f_JaffaCakes118.dll
Size

337KB
MD5

184ff73a94684953b217fdd594a4cc1f
SHA1

952155d9927433503dbdf3c2d1bb15f7460e779d
SHA256

fb58ba6a44d5dd40a677b7da027011169ae9765c16e62743868c6e273612b6ce
SHA512

04b1d3c0e2e522551814745273b43f2c71fb66639c3f2325192515e1fec0c2272ca7361c76891586980ef56114cb734eda3b3a7f1557772a54646167280f6d78
SSDEEP

6144:PN0yr1sO/wIKS0FKtOT/OrDtgUi0uvQee7Qee/0QeesQeeglQeekQeeDC7M3HCR7:1G6wndYtamDSU1MHCRfl1

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 2 IoCs

pid	Process
4608	regsvr32mgr.exe
3896	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4608-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3896-24-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/3896-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4608-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3896-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px3C1E.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
3760	3496	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426303513"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115515"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115515"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2376970480"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115515"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2376970480"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115515"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B9311269-34EE-11EF-92F1-7ACDD6433640} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2375095880"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2375095880"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe
3896	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2012	iexplore.exe
2012	iexplore.exe
3568	IEXPLORE.EXE
3568	IEXPLORE.EXE
3568	IEXPLORE.EXE
3568	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4608	regsvr32mgr.exe
3896	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4040	2736	regsvr32.exe	80
PID 2736 wrote to memory of 4040	2736	regsvr32.exe	80
PID 2736 wrote to memory of 4040	2736	regsvr32.exe	80
PID 4040 wrote to memory of 4608	4040	regsvr32.exe	81
PID 4040 wrote to memory of 4608	4040	regsvr32.exe	81
PID 4040 wrote to memory of 4608	4040	regsvr32.exe	81
PID 4608 wrote to memory of 3896	4608	regsvr32mgr.exe	82
PID 4608 wrote to memory of 3896	4608	regsvr32mgr.exe	82
PID 4608 wrote to memory of 3896	4608	regsvr32mgr.exe	82
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 3496	3896	WaterMark.exe	83
PID 3896 wrote to memory of 4624	3896	WaterMark.exe	90
PID 3896 wrote to memory of 4624	3896	WaterMark.exe	90
PID 3896 wrote to memory of 2012	3896	WaterMark.exe	91
PID 3896 wrote to memory of 2012	3896	WaterMark.exe	91
PID 2012 wrote to memory of 3568	2012	iexplore.exe	93
PID 2012 wrote to memory of 3568	2012	iexplore.exe	93
PID 2012 wrote to memory of 3568	2012	iexplore.exe	93

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\184ff73a94684953b217fdd594a4cc1f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\184ff73a94684953b217fdd594a4cc1f_JaffaCakes118.dll
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4040
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:3896
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:3496
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 208
        6⤵
        Program crash
        
        PID:3760
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:4624
    - - 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:2012
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3496 -ip 3496
1⤵
PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
fa34ecb8815a2d98849888cb1cdbf38b

SHA1
84fd0e04586009efb3683c98da8d9aa41487cd42

SHA256
5077a54924f80491a74ed78bbd73ff7bf85a27caddb80ceaa9ccb86f8b9a11be

SHA512
ccfdb76ccedd0076601e17272d346229e2b9c0dd884c09bb7701b32c5dc177da8a91bb539ce751297d8ea44716fc497e8a337a9499c93a474ba85915f28f1053

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

Filesize
404B

MD5
197f36822c6720ff62ef8a1a86eeec96

SHA1
f21e48add8654a48a8b4a799f7c2392b823a5625

SHA256
3d7655c9fd2049d8244e2cb924cd7f32fdb6f9053164f515a94c693d7286190d

SHA512
85f6f18b9104c17eb9c2b01f663d7365bfde4bafff06e91946172da5127ac0d4760c59f9f242792e48f1c658ebf94e4359f9edc23fd39cd1a6cfa1692d9adbf0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBF49.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0RV7W6KN\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
96KB

MD5
8c51fd9d6daa7b6137634de19a49452c

SHA1
db2a11cca434bacad2bf42adeecae38e99cf64f8

SHA256
528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

SHA512
b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

Download Submit
memory/3496-32-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/3496-33-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/3896-24-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3896-27-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3896-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3896-29-0x0000000076F82000-0x0000000076F83000-memory.dmp

Filesize
4KB

Download
memory/3896-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3896-34-0x0000000076F82000-0x0000000076F83000-memory.dmp

Filesize
4KB

Download
memory/3896-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4040-1-0x0000000074900000-0x0000000074957000-memory.dmp

Filesize
348KB

Download
memory/4608-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/4608-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4608-5-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download