ramnit | c6fa8b093dbd07a71422c0d4036aed72fc4b6837a0907ee3760233daf5526342

General

Target

JaffaCakes118_84ead162e877109574c931886f65c6e0.dll
Size

259KB
MD5

84ead162e877109574c931886f65c6e0
SHA1

7148c649612d1805b64a5b2a986d4577f0e94ddc
SHA256

c6fa8b093dbd07a71422c0d4036aed72fc4b6837a0907ee3760233daf5526342
SHA512

a5e28ce152baf50ec81b4c818af3cbef63a880ca34726f2d4b0923763a2b756504411ace51f7b69a0430cf08dc0fc39ba5cb6be3cf0b49e55c5296e721fa1b89
SSDEEP

3072:SCuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6E:SCIGPj038tAgFMldWNX+5VSf9v

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
396	rundll32mgr.exe
2844	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/396-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/396-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2844-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2844-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2844-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2844-39-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/2844-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2844-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px4834.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
948	5876	WerFault.exe	85
5684	5328	WerFault.exe	90

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 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2D28074F-06A1-11F0-A1E4-7EA8B19A0055} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449359951"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe
2844	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5664	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5664	iexplore.exe
5664	iexplore.exe
4936	IEXPLORE.EXE
4936	IEXPLORE.EXE
4936	IEXPLORE.EXE
4936	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
396	rundll32mgr.exe
2844	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 5916 wrote to memory of 5876	5916	rundll32.exe	85
PID 5916 wrote to memory of 5876	5916	rundll32.exe	85
PID 5916 wrote to memory of 5876	5916	rundll32.exe	85
PID 5876 wrote to memory of 396	5876	rundll32.exe	86
PID 5876 wrote to memory of 396	5876	rundll32.exe	86
PID 5876 wrote to memory of 396	5876	rundll32.exe	86
PID 396 wrote to memory of 2844	396	rundll32mgr.exe	88
PID 396 wrote to memory of 2844	396	rundll32mgr.exe	88
PID 396 wrote to memory of 2844	396	rundll32mgr.exe	88
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5328	2844	WaterMark.exe	90
PID 2844 wrote to memory of 5664	2844	WaterMark.exe	99
PID 2844 wrote to memory of 5664	2844	WaterMark.exe	99
PID 2844 wrote to memory of 5600	2844	WaterMark.exe	100
PID 2844 wrote to memory of 5600	2844	WaterMark.exe	100
PID 5664 wrote to memory of 4936	5664	iexplore.exe	101
PID 5664 wrote to memory of 4936	5664	iexplore.exe	101
PID 5664 wrote to memory of 4936	5664	iexplore.exe	101

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84ead162e877109574c931886f65c6e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84ead162e877109574c931886f65c6e0.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5876
- - 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:396
  - - 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:2844
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:5328
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5328 -s 204
        6⤵
        Program crash
        
        PID:5684
    - - 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:5664
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5664 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4936
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:5600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5876 -s 616
    3⤵
    - Program crash
    PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 5876 -ip 5876
1⤵
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5328 -ip 5328
1⤵
PID:6088

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\Local\Microsoft\Windows\INetCache\IE\OMQG84ST\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
92KB

MD5
221e50dc3a4ab42db4cd73360aa99d41

SHA1
ef5857e1fcf962c9f7bbe17f8120b343ef797eb8

SHA256
a9e41334122fdce7384959bca1c33bfc8218d7538da8eeb11c2a53eae77fec08

SHA512
1ec8ee13e93e2b4b05fe93c510ccbd381867add5babe800a41f4f9528fbe517c0cbc2e66825d6bdbc70e21e118723b9b9420fe4a049f386ab5f548a97e9cdbaa

Download Submit
memory/396-22-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/396-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/396-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-12-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/396-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/396-5-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2844-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2844-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2844-31-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2844-34-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/2844-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2844-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2844-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2844-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2844-40-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/2844-39-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5328-35-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/5328-36-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/5876-37-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/5876-1-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download

Analysis

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