ramnit | 8b0d6914fc983b82277a091fa9e306842fd85c48c514e8222a4c0f85ae9e55b6

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 21:45

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General

Target

c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
Size

166KB
MD5

c1a74a2919175c26b1ecd5006df8e0c2
SHA1

306c8553e9fee8fc9787bfecf12b561a0f2074b7
SHA256

8b0d6914fc983b82277a091fa9e306842fd85c48c514e8222a4c0f85ae9e55b6
SHA512

ce9b225b59385c38b09147265f5c1b1e8e01a78ea11fe03b88628f3ae1800d9ebf4e0b72b0e156549fc7a13a176294f635f2220edb7ecc2e5b248d915787738b
SSDEEP

3072:PTU56gVxj27Ne4L99ZgyXf9MWebpjMGlDCdrn:A4L7vBsGdn

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

Executes dropped EXE 2 IoCs

pid	Process
3216	regsvr32mgr.exe
1620	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3216-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-38-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/1620-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1620-43-0x0000000000400000-0x0000000000421000-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\px7A70.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
2112	1828	WerFault.exe	87

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431387323"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "950618744"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{641E5C46-632B-11EF-8D5B-CA89CBF88D4A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "947649576"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31127352"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "947649576"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31127352"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31127352"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe
1620	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3560	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3560	iexplore.exe
3560	iexplore.exe
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3216	regsvr32mgr.exe
1620	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4484	2044	regsvr32.exe	84
PID 2044 wrote to memory of 4484	2044	regsvr32.exe	84
PID 2044 wrote to memory of 4484	2044	regsvr32.exe	84
PID 4484 wrote to memory of 3216	4484	regsvr32.exe	85
PID 4484 wrote to memory of 3216	4484	regsvr32.exe	85
PID 4484 wrote to memory of 3216	4484	regsvr32.exe	85
PID 3216 wrote to memory of 1620	3216	regsvr32mgr.exe	86
PID 3216 wrote to memory of 1620	3216	regsvr32mgr.exe	86
PID 3216 wrote to memory of 1620	3216	regsvr32mgr.exe	86
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 1828	1620	WaterMark.exe	87
PID 1620 wrote to memory of 3560	1620	WaterMark.exe	95
PID 1620 wrote to memory of 3560	1620	WaterMark.exe	95
PID 1620 wrote to memory of 3204	1620	WaterMark.exe	96
PID 1620 wrote to memory of 3204	1620	WaterMark.exe	96
PID 3560 wrote to memory of 2488	3560	iexplore.exe	97
PID 3560 wrote to memory of 2488	3560	iexplore.exe	97
PID 3560 wrote to memory of 2488	3560	iexplore.exe	97

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4484
- - 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:3216
  - - 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:1620
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:1828
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 204
        6⤵
        Program crash
        
        PID:2112
    - - 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:3560
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3560 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2488
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1828 -ip 1828
1⤵
PID:1960

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\Local\Microsoft\Windows\INetCache\IE\KQ3665LB\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/1620-38-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1620-23-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1620-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-42-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

Filesize
4KB

Download
memory/1620-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-40-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1620-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-35-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

Filesize
4KB

Download
memory/1620-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1620-33-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1828-37-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/1828-36-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/3216-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3216-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-22-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3216-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-11-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3216-12-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/3216-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-4-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4484-0-0x0000000075850000-0x000000007587C000-memory.dmp

Filesize
176KB

Download