ramnit | 3f5a3b6daf5e8e88f10946aeb3edcfb263f572fde0996a60874126b0c396db82

Analysis

max time kernel
131s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 12:30

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General

Target

da5a1623c5d5153cd912396aaa48949e_JaffaCakes118.dll
Size

829KB
MD5

da5a1623c5d5153cd912396aaa48949e
SHA1

54ff1f3cc4891b3fed84874e8a944a5667b0ad18
SHA256

3f5a3b6daf5e8e88f10946aeb3edcfb263f572fde0996a60874126b0c396db82
SHA512

ef22f41c8214b3835685b7508f53206cab1c15eb05a1aec4990a9a669e064e08a34c21246f08e065e56b9e3e88729db9d1b20e778c2317729ed4bf3d498dc2bf
SSDEEP

24576:yL5/rmRsmDWDPNuFhPvYrpLYHSfcoopooLY9Nu0ULz:oK5hPILYHSfeY9na

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	rundll32mgr.exe
2836	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3216-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2836-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2836-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3216-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2836-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2836-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px5BE6.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
3044	4160	WerFault.exe	93

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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432822782"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130694"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130694"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130694"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{946B0511-7039-11EF-A2A4-CA89CBF88D4A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1759699176"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1762354818"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130694"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1762354818"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1759699176"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe
2836	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5028	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5028	iexplore.exe
5028	iexplore.exe
3456	IEXPLORE.EXE
3456	IEXPLORE.EXE
3456	IEXPLORE.EXE
3456	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3216	rundll32mgr.exe
2836	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 3620	3796	rundll32.exe	90
PID 3796 wrote to memory of 3620	3796	rundll32.exe	90
PID 3796 wrote to memory of 3620	3796	rundll32.exe	90
PID 3620 wrote to memory of 3216	3620	rundll32.exe	91
PID 3620 wrote to memory of 3216	3620	rundll32.exe	91
PID 3620 wrote to memory of 3216	3620	rundll32.exe	91
PID 3216 wrote to memory of 2836	3216	rundll32mgr.exe	92
PID 3216 wrote to memory of 2836	3216	rundll32mgr.exe	92
PID 3216 wrote to memory of 2836	3216	rundll32mgr.exe	92
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 4160	2836	WaterMark.exe	93
PID 2836 wrote to memory of 5028	2836	WaterMark.exe	103
PID 2836 wrote to memory of 5028	2836	WaterMark.exe	103
PID 2836 wrote to memory of 2432	2836	WaterMark.exe	104
PID 2836 wrote to memory of 2432	2836	WaterMark.exe	104
PID 5028 wrote to memory of 3456	5028	iexplore.exe	105
PID 5028 wrote to memory of 3456	5028	iexplore.exe	105
PID 5028 wrote to memory of 3456	5028	iexplore.exe	105

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da5a1623c5d5153cd912396aaa48949e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da5a1623c5d5153cd912396aaa48949e_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3620
- - 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: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:2836
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:4160
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 204
        6⤵
        Program crash
        
        PID:3044
    - - 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:5028
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5028 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3456
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:2432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4160 -ip 4160
1⤵
PID:624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8
1⤵
PID:2884

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
5f81c2f0e32c339ad20a7b38cb5b684b

SHA1
4196d08225494b3da7819301cac57f3618ef8aa7

SHA256
f1465c392ed09e095c9ed94934a546cd13bcf3c2f5fcd669bb58fb1475fc3b39

SHA512
fff25d77166243ec1c5e029ca5c51b605228e6faebbc08834c3bc9c1042f14596c062e9ab9f9cc6567f5ba3bb0679a4fc833704fbef0c91a1461bc005d4bf19b

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

Filesize
404B

MD5
8e85a20ccedeccf9b01a41d1b502d5c5

SHA1
15fc92a8523da8f204e71711763d8f760e963227

SHA256
fe2782de35d0c6b45413cc0b34b46f0cda62916f3c15b5968bae183ff155c548

SHA512
fd180652612b3b374e59e3587c56b02756161211e37fb4d38f796d7207cfc3a421557a2cb34be51da0f60d89639d3c6b521b7fcbfa10eb17314e768f69940c8b

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

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCPU4OJ5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
60KB

MD5
c27dc77f49f2be740e3bf1b64387882e

SHA1
82f4ce73d55f46e1ecccbf406f9420364a82872f

SHA256
a0bac67a54681dcc7ec8204eb959a540356568b06b1a03cec6ec42ed6e9f1715

SHA512
14880de329428973dbcc2c726fee09dcc3666ab7aab69e32864577e01216ca8a58ac901d261ad1a84e0d3d6926c328b53d92beb695cc3dd1d6f453a5d853314e

Download Submit
memory/2836-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2836-37-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

Filesize
4KB

Download
memory/2836-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2836-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2836-32-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

Filesize
4KB

Download
memory/2836-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2836-30-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/2836-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3216-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

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

Filesize
132KB

Download
memory/3216-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

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

Filesize
132KB

Download
memory/3216-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

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

Filesize
132KB

Download
memory/3216-23-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

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

Filesize
132KB

Download
memory/3216-12-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

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

Filesize
132KB

Download
memory/3620-0-0x0000000074950000-0x0000000074A23000-memory.dmp

Filesize
844KB

Download
memory/4160-35-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/4160-36-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download