ramnit | fad076e6251a6cfac705b8ebb773fa9a975e950d02a463cc1aaf64563ec3af9e

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 10:48

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General

Target

95c77ea0b777d9e2b82136ec0d24151d_JaffaCakes118.dll
Size

163KB
MD5

95c77ea0b777d9e2b82136ec0d24151d
SHA1

92486be9ee3505c38330ebcb48ad9af6a6a3e703
SHA256

fad076e6251a6cfac705b8ebb773fa9a975e950d02a463cc1aaf64563ec3af9e
SHA512

36d73b54cd5cf6767142c158cdaf7c1bc2fcaa929227cdba2b9b91dbcd52297923e5a96b7db8f56cb58cbfbe6c8b7e061e3053aa692ba4560a96ee447c19fa45
SSDEEP

3072:O244R/lE7liD1P8sFdXoh1U7Nm9fW1bwjAO7T4NehXn6vn+m5Av+3ywTZ7oWMy43:O2R/lE7aUsDoh+pk3jAO7QehXn6/+maD

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 4 IoCs

pid	Process
4732	rundll32Srv.exe
3940	rundll32Srv.exe
4580	WaterMark.exe
1772	WaterMark.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3940-9-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3940-12-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3940-13-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3940-15-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1772-31-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1772-36-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1772-40-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4732 set thread context of 3940	4732	rundll32Srv.exe	86
PID 4580 set thread context of 1772	4580	WaterMark.exe	88

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px89F0.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2408	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 6 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	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125047"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31125047"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BBC394BB-5A2A-11EF-BB4F-D60584CC4361} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2421376471"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430397480"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2417470520"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2417470520"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125047"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe
1772	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1772	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4340	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4732	rundll32Srv.exe
4580	WaterMark.exe
4340	iexplore.exe
4340	iexplore.exe
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 3944	2964	rundll32.exe	84
PID 2964 wrote to memory of 3944	2964	rundll32.exe	84
PID 2964 wrote to memory of 3944	2964	rundll32.exe	84
PID 3944 wrote to memory of 4732	3944	rundll32.exe	85
PID 3944 wrote to memory of 4732	3944	rundll32.exe	85
PID 3944 wrote to memory of 4732	3944	rundll32.exe	85
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 4732 wrote to memory of 3940	4732	rundll32Srv.exe	86
PID 3940 wrote to memory of 4580	3940	rundll32Srv.exe	87
PID 3940 wrote to memory of 4580	3940	rundll32Srv.exe	87
PID 3940 wrote to memory of 4580	3940	rundll32Srv.exe	87
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 4580 wrote to memory of 1772	4580	WaterMark.exe	88
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 2408	1772	WaterMark.exe	89
PID 1772 wrote to memory of 4340	1772	WaterMark.exe	98
PID 1772 wrote to memory of 4340	1772	WaterMark.exe	98
PID 4340 wrote to memory of 4428	4340	iexplore.exe	99
PID 4340 wrote to memory of 4428	4340	iexplore.exe	99
PID 4340 wrote to memory of 4428	4340	iexplore.exe	99

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95c77ea0b777d9e2b82136ec0d24151d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\95c77ea0b777d9e2b82136ec0d24151d_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3944
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4732
  - - C:\Windows\SysWOW64\rundll32Srv.exe
      "C:\Windows\SysWOW64\rundll32Srv.exe"
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3940
    - - C:\Program Files (x86)\Microsoft\WaterMark.exe
        
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4580
      - C:\Program Files (x86)\Microsoft\WaterMark.exe
        
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1772
        
        C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        7⤵
        
        PID:2408
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 204
        8⤵
        Program crash
        
        PID:2120
        
        C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4340
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4340 CREDAT:17410 /prefetch:2
        8⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2408 -ip 2408
1⤵
PID:3148

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\O8WYVOD7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
69KB

MD5
3284b0d95ae1f80355da5e04e79a6be1

SHA1
642bbb026f238a4eed9931772869b637621d98c8

SHA256
f2cf33052bb9ed658351e1ff0687d0602a1f619e0976cd45852d3eb109aacf60

SHA512
13712a19409818ecb66ecb2bb045a5800e4362f0ff0e9b2d158590fd501c35861ceae195f8171301ef6e72dd3b6f28184af31188836d92c171bfa6bedeb98547

Download Submit
memory/1772-31-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1772-39-0x0000000076F42000-0x0000000076F43000-memory.dmp

Filesize
4KB

Download
memory/1772-40-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1772-36-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1772-33-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2408-37-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/2408-38-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3940-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3940-15-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3940-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3940-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3944-0-0x0000000062840000-0x000000006286D000-memory.dmp

Filesize
180KB

Download
memory/4580-22-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4580-23-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4580-34-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4732-14-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4732-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4732-6-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download