ramnit | 43075887bc8d92dd260cb228278befd22c20b38165b30a28a53e11ebfda1c1df

Analysis

max time kernel
150s
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
03-01-2025 02:05

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General

Target

JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe
Size

118KB
MD5

6991a1753a8b440fd72e2d5d87fa0bac
SHA1

43af2a9fc9c056cbe0adec4e8e2c2b4151a0a40e
SHA256

43075887bc8d92dd260cb228278befd22c20b38165b30a28a53e11ebfda1c1df
SHA512

1c2d42783f1736dd3edeb8303dc5f98ce016f42811abbfa05fbc87875c169131aea49fe25840d49cec7712aaeeece68d3bed028909ea2a4323aeb0d6cc176baa
SSDEEP

1536:0VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApELNCMe6dW4T4PqjSdzYAk:knxwgxgfR/DVG7wBpELNfeKVTr8zYAk

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
916	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/916-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/916-22-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/4116-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4116-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/916-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/916-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px58AF.tmp	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5064	1556	WerFault.exe	84

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	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.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\LastCheckForUpdateLowDateTime = "406245846"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153540"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442634929"	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\LastUpdateLowDateTime = "406245846"	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
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	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\LastUpdateHighDateTime = "31153540"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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 (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\Main	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\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\{439D960A-C977-11EF-B319-FAA11E730504} = "0"	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\Recovery\AdminActive	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\VersionManager\LastUpdateLowDateTime = "404682926"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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\VersionManager	iexplore.exe
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 = "404682926"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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
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\LastCheckForUpdateHighDateTime = "31153540"	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\LastUpdateHighDateTime = "31153540"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe
916	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4336	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4336	iexplore.exe
4336	iexplore.exe
2436	IEXPLORE.EXE
2436	IEXPLORE.EXE
2436	IEXPLORE.EXE
2436	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4116	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe
916	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 916	4116	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe	83
PID 4116 wrote to memory of 916	4116	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe	83
PID 4116 wrote to memory of 916	4116	JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe	83
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 1556	916	WaterMark.exe	84
PID 916 wrote to memory of 4336	916	WaterMark.exe	89
PID 916 wrote to memory of 4336	916	WaterMark.exe	89
PID 916 wrote to memory of 2820	916	WaterMark.exe	90
PID 916 wrote to memory of 2820	916	WaterMark.exe	90
PID 4336 wrote to memory of 2436	4336	iexplore.exe	92
PID 4336 wrote to memory of 2436	4336	iexplore.exe	92
PID 4336 wrote to memory of 2436	4336	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6991a1753a8b440fd72e2d5d87fa0bac.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4116
- 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:916
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 204
      4⤵
      Program crash
      PID:5064
- - 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:4336
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4336 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2436
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 1556
1⤵
PID:2028

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
118KB

MD5
6991a1753a8b440fd72e2d5d87fa0bac

SHA1
43af2a9fc9c056cbe0adec4e8e2c2b4151a0a40e

SHA256
43075887bc8d92dd260cb228278befd22c20b38165b30a28a53e11ebfda1c1df

SHA512
1c2d42783f1736dd3edeb8303dc5f98ce016f42811abbfa05fbc87875c169131aea49fe25840d49cec7712aaeeece68d3bed028909ea2a4323aeb0d6cc176baa

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

Filesize
471B

MD5
d3ef026dd88e6e5106ac84f80286c124

SHA1
75062b0190d63b6ee191c2d3fd7deed40520a363

SHA256
2ecb929a03fb648afd921206e9f84eebfe98b3b343061e6d2e5bbf3a1d02619c

SHA512
809dafd4a0fb9c3c22d3fff05ebb4c025b35a69b514ddb082565a14b3543581f1c430532b6dec2dd4da97a4c9b9818b57d91dcc6f91a3a5425f5a65a078cf64e

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

Filesize
404B

MD5
898d35c33b047d75cbfb171d015bfe54

SHA1
d4ce16cc63c05dfaf5c737ff25cbbb7fac616903

SHA256
2e6bd1c86fd0841c1d16f946e9effbda6f5ef8e2cb5dc3e799251f3a364550fb

SHA512
829a15acfc68fbb32d716849b2f46d4f41b0c965892dcafff9d6ff9955015d8b22af5a04ad8d86824724e8ee050036eb40b47c6a309b621a542d49bfe67c517d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDC75.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
memory/916-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/916-28-0x0000000077E82000-0x0000000077E83000-memory.dmp

Filesize
4KB

Download
memory/916-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/916-22-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/916-25-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/916-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/916-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/916-33-0x0000000077E82000-0x0000000077E83000-memory.dmp

Filesize
4KB

Download
memory/1556-31-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/1556-30-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/4116-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4116-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4116-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4116-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4116-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4116-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download