ramnit | ec8a5f705760044597a6e33afc939406510ea18d4816cf6dd5cd1adffbb1d4da

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 19:29

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General

Target

JaffaCakes118_67ac8d32f11eea0d8f7dcf986d4ad2d0.dll
Size

728KB
MD5

67ac8d32f11eea0d8f7dcf986d4ad2d0
SHA1

dc1c188d571b7a0fb1f0c1c7cdb9c18fa61d7e4f
SHA256

ec8a5f705760044597a6e33afc939406510ea18d4816cf6dd5cd1adffbb1d4da
SHA512

f0f6d39423c6fe2a67d0f383a6dedcf169090901a09c644c9b9693beb65d1f406b713e664ff91091f3a81e220a36d632510da81aa32e8afaeb02b18e61551161
SSDEEP

12288:bv+MYhRBVGxr4oRaqi6sfo0k9/6YltNqs4TtJN+zG8+8M1N9i:brYhRjGugaqZ0eSOK5JN+zG8+vg

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
3604	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3604-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-21-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3604-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3604-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2428	3248	WerFault.exe	85

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

Modifies Internet Explorer settings 1 TTPs 30 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\LastUpdateHighDateTime = "31153484"	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 = "3291995674"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3285120857"	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\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
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\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Recovery\PendingRecovery\AdminActive = "0"	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 = "3285120857"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153484"	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 (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153484"	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\DomainSuggestion\NextUpdateDate = "442611165"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EF4B31FF-C93F-11EF-B319-D2BD7E71DA05} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe
3604	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3220	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3220	iexplore.exe
3220	iexplore.exe
4508	IEXPLORE.EXE
4508	IEXPLORE.EXE
4508	IEXPLORE.EXE
4508	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3604	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 3248	3820	rundll32.exe	85
PID 3820 wrote to memory of 3248	3820	rundll32.exe	85
PID 3820 wrote to memory of 3248	3820	rundll32.exe	85
PID 3248 wrote to memory of 3604	3248	rundll32.exe	86
PID 3248 wrote to memory of 3604	3248	rundll32.exe	86
PID 3248 wrote to memory of 3604	3248	rundll32.exe	86
PID 3604 wrote to memory of 3220	3604	rundll32mgr.exe	89
PID 3604 wrote to memory of 3220	3604	rundll32mgr.exe	89
PID 3220 wrote to memory of 4508	3220	iexplore.exe	91
PID 3220 wrote to memory of 4508	3220	iexplore.exe	91
PID 3220 wrote to memory of 4508	3220	iexplore.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67ac8d32f11eea0d8f7dcf986d4ad2d0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67ac8d32f11eea0d8f7dcf986d4ad2d0.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.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:3604
  - - 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:3220
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 608
    3⤵
    - Program crash
    PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3248 -ip 3248
1⤵
PID:2556

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
d3ef026dd88e6e5106ac84f80286c124

SHA1
75062b0190d63b6ee191c2d3fd7deed40520a363

SHA256
2ecb929a03fb648afd921206e9f84eebfe98b3b343061e6d2e5bbf3a1d02619c

SHA512
809dafd4a0fb9c3c22d3fff05ebb4c025b35a69b514ddb082565a14b3543581f1c430532b6dec2dd4da97a4c9b9818b57d91dcc6f91a3a5425f5a65a078cf64e

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

Filesize
404B

MD5
9497abcccbfe298ddd66cd872cdb8325

SHA1
942263cb954eb013601a011cb7183b7946d594fe

SHA256
9d0b244989bdfc5a47cb5ce21ee9e971ac37f823858c769f658a1160251a8f44

SHA512
313456c1b7594e2b1d543c4490160c301b019bf32cac3fcb50fcac2ca5ad1618330b0f035e6f1889c7e76dd16b82915ff1108940dce0308faa839caf7ea7ad34

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:\Windows\SysWOW64\rundll32mgr.exe

Filesize
54KB

MD5
fba9053e3a7f286a68a072f5d1b57b42

SHA1
19c4800e8de1e83ff7bf0b96a96563e8430ce9f3

SHA256
5675295a26c3839803fd25fb667f2be09c2b6bf3412202a09c3dfc9a46eb4ca4

SHA512
ee53bbd9531801df780279da49bd34863513db67fbacbd6b0abb844d02cb76f5e86ed39ad28585b27aa42d3659a8fc9f3d1459f92f81eca970e69bac7c403c64

Download Submit
memory/3248-1-0x0000000061000000-0x00000000610B8000-memory.dmp

Filesize
736KB

Download
memory/3248-22-0x0000000061000000-0x00000000610B8000-memory.dmp

Filesize
736KB

Download
memory/3604-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-18-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/3604-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-17-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/3604-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3604-20-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3604-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-15-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3604-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-10-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/3604-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3604-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3604-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download