ramnit | 19e943df00936e368c89f5441771930c885ec4404470cfbec3c69bab1dff4948

General

Target

JaffaCakes118_276687275f0f9d19ecab6b15e4af797b.dll
Size

258KB
MD5

276687275f0f9d19ecab6b15e4af797b
SHA1

a3da367a3845e706d029252c4d73bfd151989072
SHA256

19e943df00936e368c89f5441771930c885ec4404470cfbec3c69bab1dff4948
SHA512

09301fab68593d612ad5f0ff903648e79497d62b78836687b437fec66f6383f70d0b4201bce4d78efab881464ba86fa1407499be81da6186909f6bd0f678f707
SSDEEP

3072:aCuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6g:aCIGPj038tAgFMldWNX+Ejtujg

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
4632	rundll32mgr.exe
1600	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4632-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1600-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1600-34-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1600-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1600-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px278B.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 2 IoCs

pid	pid_target	Process	procid_target
4064	2448	WerFault.exe	86
2736	5064	WerFault.exe	82

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.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 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BC52F7F0-DAC3-11EF-9361-CAFD856C81B1} = "0"	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\LastCheckForUpdateLowDateTime = "2438116879"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	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 (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	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444536943"	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\VersionManager\LastCheckForUpdateHighDateTime = "31157968"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	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\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\LastCheckForUpdateLowDateTime = "2430617336"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157968"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe
1600	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1500	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1500	iexplore.exe
1500	iexplore.exe
4724	IEXPLORE.EXE
4724	IEXPLORE.EXE
4724	IEXPLORE.EXE
4724	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4632	rundll32mgr.exe
1600	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 5064	4984	rundll32.exe	82
PID 4984 wrote to memory of 5064	4984	rundll32.exe	82
PID 4984 wrote to memory of 5064	4984	rundll32.exe	82
PID 5064 wrote to memory of 4632	5064	rundll32.exe	83
PID 5064 wrote to memory of 4632	5064	rundll32.exe	83
PID 5064 wrote to memory of 4632	5064	rundll32.exe	83
PID 4632 wrote to memory of 1600	4632	rundll32mgr.exe	85
PID 4632 wrote to memory of 1600	4632	rundll32mgr.exe	85
PID 4632 wrote to memory of 1600	4632	rundll32mgr.exe	85
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 2448	1600	WaterMark.exe	86
PID 1600 wrote to memory of 1500	1600	WaterMark.exe	91
PID 1600 wrote to memory of 1500	1600	WaterMark.exe	91
PID 1600 wrote to memory of 4124	1600	WaterMark.exe	92
PID 1600 wrote to memory of 4124	1600	WaterMark.exe	92
PID 1500 wrote to memory of 4724	1500	iexplore.exe	93
PID 1500 wrote to memory of 4724	1500	iexplore.exe	93
PID 1500 wrote to memory of 4724	1500	iexplore.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_276687275f0f9d19ecab6b15e4af797b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_276687275f0f9d19ecab6b15e4af797b.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5064
- - 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:4632
  - - 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:1600
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2448
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 204
        6⤵
        Program crash
        
        PID:4064
    - - 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:1500
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4724
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:4124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 608
    3⤵
    - Program crash
    PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2448 -ip 2448
1⤵
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5064 -ip 5064
1⤵
PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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
ce36378334f2edb4e728e0632afebb70

SHA1
89d54efcb8c7bbe532e5ad91b38468279d3f5c93

SHA256
6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

SHA512
3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

Filesize
404B

MD5
17d88c0b0206def8528ce057cc3f0e18

SHA1
93457e1e867629f7741fa812ee3cf506cdc2710b

SHA256
2518052c88b3661734d3b0e1ddf6441dbf7cf2615f371468b20842f792b3c624

SHA512
f35c0ab1b591673bf7b44af1386de6b89a265802187b62346b60a2307c726a56a2ec61ceb3e78e1882d859184961e226478a5e99429c9f990ef045d13eb2f5b0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JAZ6MGFU\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
92KB

MD5
7ee724f57cd50cc251c9640919b5469e

SHA1
f46cf7427e3519358ce354265a7226abb157cf15

SHA256
caffeddde0516e982f2adc315190b9a55b67a2646d113f5f892533489307edce

SHA512
f6fe974490da9c753f61c455c0efdceebb0d2af46519fbc15843d79aca7c1ef3fb33c77644e977cc0ade60e60e4f72c6a6cf552d1bdfada11abeb29d9c899c32

Download Submit
memory/1600-36-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1600-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1600-27-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1600-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1600-37-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/1600-34-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1600-31-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/1600-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2448-32-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2448-33-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/4632-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/4632-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-5-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5064-35-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/5064-1-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download

Analysis

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