ramnit | 287fcfc5f81ab48d370fc04a7c42ea008897447451bec001692c96660f2285c2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 00:06

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General

Target

fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe
Size

120KB
MD5

fda4adcff37498fb0f7714db8d1de11d
SHA1

ae00f2eddd4dbc05bed0e4fabde97e6c6546b7bc
SHA256

287fcfc5f81ab48d370fc04a7c42ea008897447451bec001692c96660f2285c2
SHA512

d1003f6114788a96c5ae1454024b2abfc35f4d21df4be358fbc883630ebe721122a260101d446ac911e1ca45dcae291fc5fc5e846f2a5fab731601d01113ead3
SSDEEP

1536:+VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEtCGZZaD69sKx5KYOTmu9Z:unxwgxgfR/DVG7wBpEtComwDKYOqYZ

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 1 IoCs

pid	Process
1932	WaterMark.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1820-6-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/1820-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-34-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/1932-38-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/1932-37-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/1932-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxBAB5.tmp	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	4944	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150505"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441331743"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150505"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3799539019"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3799539019"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3764539034"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0BAEDA98-BD9D-11EF-9361-6AACA39217E0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3764539034"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150505"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150505"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe
1932	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4844	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4844	iexplore.exe
4844	iexplore.exe
3216	IEXPLORE.EXE
3216	IEXPLORE.EXE
3216	IEXPLORE.EXE
3216	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1820	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe
1932	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1932	1820	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1932	1820	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1932	1820	fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe	82
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4944	1932	WaterMark.exe	83
PID 1932 wrote to memory of 4844	1932	WaterMark.exe	87
PID 1932 wrote to memory of 4844	1932	WaterMark.exe	87
PID 1932 wrote to memory of 3088	1932	WaterMark.exe	88
PID 1932 wrote to memory of 3088	1932	WaterMark.exe	88
PID 4844 wrote to memory of 3216	4844	iexplore.exe	89
PID 4844 wrote to memory of 3216	4844	iexplore.exe	89
PID 4844 wrote to memory of 3216	4844	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fda4adcff37498fb0f7714db8d1de11d_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - 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:1932
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 208
      4⤵
      Program crash
      PID:2484
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4844
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4844 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3216
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:344

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:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
120KB

MD5
fda4adcff37498fb0f7714db8d1de11d

SHA1
ae00f2eddd4dbc05bed0e4fabde97e6c6546b7bc

SHA256
287fcfc5f81ab48d370fc04a7c42ea008897447451bec001692c96660f2285c2

SHA512
d1003f6114788a96c5ae1454024b2abfc35f4d21df4be358fbc883630ebe721122a260101d446ac911e1ca45dcae291fc5fc5e846f2a5fab731601d01113ead3

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

Filesize
471B

MD5
5e99ec80bb4e60401972729dff7db4f2

SHA1
a68a2f47614d8afd1b7afd1e0620d32cd393e2c0

SHA256
6ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0

SHA512
7670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654

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

Filesize
404B

MD5
7e73ef6d78f3bc388bc15f139495f2ec

SHA1
70a1a34252eb6d3167a1af272693a709af10903b

SHA256
6bd5f53591383570cf14de916bb312f4ee5ca84b90f0f6360b6ca3a88c8bf046

SHA512
308026d1c1879f24d25acdb3ada4ccc5f759400c975c244f36e28947f2dccdfde7b1840444643d06fcaf4a5e50b22b6d5f57bebafd6c0591caeca6d283af9188

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4D02.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1820-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-7-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1820-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1820-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1820-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1932-29-0x0000000077452000-0x0000000077453000-memory.dmp

Filesize
4KB

Download
memory/1932-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1932-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1932-34-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1932-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1932-38-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1932-37-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1932-36-0x0000000077452000-0x0000000077453000-memory.dmp

Filesize
4KB

Download
memory/1932-28-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1932-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4944-33-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/4944-32-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download