ramnit | 0a1641aedc1e435780822e7de3efb28dacd7161d82e3dfafb5bed884313528f6

Analysis

max time kernel
148s
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
15-12-2024 16:04

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General

Target

f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe
Size

228KB
MD5

f4bbb0a5511ae0a14d8b70144484cb11
SHA1

0a60647c0cebbfd83ee3b3fd79546072e7af962b
SHA256

0a1641aedc1e435780822e7de3efb28dacd7161d82e3dfafb5bed884313528f6
SHA512

ea94d2e9bfdd48e3544384368f086e53b93a2cfc5c135f5629cd037ed742d77dc2da59d5c5aff5e3993c437eb952856c5edc3f55b59074dac26b7125cead0748
SSDEEP

3072:HYx4nwbtlp3cAqZ5V40IkYGsWYM0OkSRsgYWl2a/sAp3Sg:4x4ctI5KFGZYMpkSRVodQSg

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 2 IoCs

pid	Process
676	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
2168	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/676-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-19-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/676-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-38-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/memory/2168-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7EA6.tmp	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1184	5084	WerFault.exe	85

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	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.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
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "472828542"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149835"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149835"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4797F31B-BAFE-11EF-B319-C67090DD1599} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "472828542"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149835"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "470484787"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "470484787"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149835"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441043650"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3260	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3260	iexplore.exe
3260	iexplore.exe
1312	IEXPLORE.EXE
1312	IEXPLORE.EXE
1312	IEXPLORE.EXE
1312	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
676	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
2168	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 676	1968	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe	83
PID 1968 wrote to memory of 676	1968	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe	83
PID 1968 wrote to memory of 676	1968	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe	83
PID 676 wrote to memory of 2168	676	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe	84
PID 676 wrote to memory of 2168	676	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe	84
PID 676 wrote to memory of 2168	676	f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe	84
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 5084	2168	WaterMark.exe	85
PID 2168 wrote to memory of 3260	2168	WaterMark.exe	90
PID 2168 wrote to memory of 3260	2168	WaterMark.exe	90
PID 2168 wrote to memory of 4916	2168	WaterMark.exe	91
PID 2168 wrote to memory of 4916	2168	WaterMark.exe	91
PID 3260 wrote to memory of 1312	3260	iexplore.exe	93
PID 3260 wrote to memory of 1312	3260	iexplore.exe	93
PID 3260 wrote to memory of 1312	3260	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
  C:\Users\Admin\AppData\Local\Temp\f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:676
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - 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:2168
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:5084
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 204
        5⤵
        Program crash
        
        PID:1184
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3260
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3260 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1312
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5084 -ip 5084
1⤵
PID:3688

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
cda3a1245093d86501ad9761f10320fa

SHA1
9ff6b95b0a72732f8afbd9504fa640bec134b498

SHA256
eb60e5aa4327f06e072f6b97c6a52532aa55d5a5dc53e1d48ecced85da6214dc

SHA512
51abd474d484588dd1cdc5580cf28d6a5d0481a4488f1f5b8a491c4f30ecaf5ba8cffa9c9ac696358d6725c6e290e8d28d2e3984d3d55f0ae496a65bc4142a1d

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

Filesize
404B

MD5
a35c46eab453a5ded5e64d4fc3688eb5

SHA1
f50801890a3795eb8f196d08d5546f2da8b0948b

SHA256
d23d1f72fba6b257454230aa195359892ac55232d65214cd5e7690d123206376

SHA512
06dafcead94e42e7c3f041332768cd87cc750fe564c9a5fa456e1106160e22dde2e632f054b7f51577834186a82166cdc08a831a01839e2f932d4e554d235e84

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2CA.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\f4bbb0a5511ae0a14d8b70144484cb11_JaffaCakes118mgr.exe

Filesize
126KB

MD5
77134786acec823eb31a76b3f80cd498

SHA1
0d2d6acc6e9f31516a4699dcbb54f86172064238

SHA256
284ae8dfc599adc83a1f90b2898d212a3f75b39587955c7319eac9edee1e0b4b

SHA512
1cc4b1619e8bd8d04e9d4c0677108358fa922b11a1751fa685110bde55193c4a2a4c85f462be329938e0382eea60f2cbbd13b44a77ab292a308868a778cc812f

Download Submit
memory/676-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/676-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/676-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/676-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/676-7-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1968-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2168-34-0x0000000077872000-0x0000000077873000-memory.dmp

Filesize
4KB

Download
memory/2168-38-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2168-39-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2168-40-0x0000000077872000-0x0000000077873000-memory.dmp

Filesize
4KB

Download
memory/2168-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-33-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2168-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-24-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/5084-37-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/5084-36-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

Filesize
4KB

Download