ramnit | 2c77039288e1f6eb7040a4ba76d6469f288846ec3e44440b9394ae4afb7d21b2

General

Target

JaffaCakes118_15bcb9a8ae1e2a7b9a199f4133ccb07c.dll
Size

188KB
MD5

15bcb9a8ae1e2a7b9a199f4133ccb07c
SHA1

a461892ff244c3079476a3f4c369d49a77ee77a7
SHA256

2c77039288e1f6eb7040a4ba76d6469f288846ec3e44440b9394ae4afb7d21b2
SHA512

3d91a9fb167f171ac9639afef94660f33f8e84288fb376450768cb229cd1be31f1addeba4fcba7c77b5526b0eb153e10f9e48f8e0198483a5fdc9f55036be1fd
SSDEEP

3072:R3/wsOgCW3uHj5jf7JYlkPrLUc3Tv5C/8FOXai3GnZt9Ca7HvTDR:RILLKuHjxrZtUKi2P9CarZ

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
4904	rundll32mgr.exe
4632	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4904-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4632-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9F4D.tmp	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	2476	WerFault.exe	86

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
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3220714859"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157622"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EB79350D-D969-11EF-AF2A-EE6C25FCE24B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444388426"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3222746613"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157622"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe
4632	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2448	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2448	iexplore.exe
2448	iexplore.exe
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4904	rundll32mgr.exe
4632	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3420	2928	rundll32.exe	83
PID 2928 wrote to memory of 3420	2928	rundll32.exe	83
PID 2928 wrote to memory of 3420	2928	rundll32.exe	83
PID 3420 wrote to memory of 4904	3420	rundll32.exe	84
PID 3420 wrote to memory of 4904	3420	rundll32.exe	84
PID 3420 wrote to memory of 4904	3420	rundll32.exe	84
PID 4904 wrote to memory of 4632	4904	rundll32mgr.exe	85
PID 4904 wrote to memory of 4632	4904	rundll32mgr.exe	85
PID 4904 wrote to memory of 4632	4904	rundll32mgr.exe	85
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2476	4632	WaterMark.exe	86
PID 4632 wrote to memory of 2448	4632	WaterMark.exe	91
PID 4632 wrote to memory of 2448	4632	WaterMark.exe	91
PID 4632 wrote to memory of 4112	4632	WaterMark.exe	92
PID 4632 wrote to memory of 4112	4632	WaterMark.exe	92
PID 2448 wrote to memory of 4924	2448	iexplore.exe	94
PID 2448 wrote to memory of 4924	2448	iexplore.exe	94
PID 2448 wrote to memory of 4924	2448	iexplore.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15bcb9a8ae1e2a7b9a199f4133ccb07c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15bcb9a8ae1e2a7b9a199f4133ccb07c.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3420
- - 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:4904
  - - 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:4632
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2476
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 204
        6⤵
        Program crash
        
        PID:4796
    - - 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:2448
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2448 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4924
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2476 -ip 2476
1⤵
PID:2800

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
2c48c73220d62a8faffe599e95896274

SHA1
452cd4222360fe7e881055d815ec65a2bbac564b

SHA256
35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

SHA512
6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

Filesize
404B

MD5
b07f6ab631dc32fd5023a4277e7ddf33

SHA1
42f5cef6c434969592c3042cf0b253f63f2c723e

SHA256
3fb3dcb52e74d92ac65256e56b2b41c37fab88ca5f309e91df9e63124b5b0141

SHA512
7f61dc777695addd854cc4ffd42713243bb6c44076ee2e2add1551c94478b1f8ad053e5ac93d822c71df1225f769212ac304fbb6b74d40d0903c5a1b91fe219c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
59KB

MD5
6cfe2a6cde791d7db4d31b789ee618e8

SHA1
aef964a5582265c77c5e9bc2d114879bf1b85d4c

SHA256
6d8582599332623873732616b5e1fc4697e6047b6ab93102c568f84c14877cfa

SHA512
fe9e271d608527659de9c0708358585ce655ec747555fce8275993cad601a2db27de9bfc39ad58f3a5610b75de968aaa3939a4bc348ae24d8c2918a61c9f3987

Download Submit
memory/2476-35-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/2476-36-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/3420-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4632-37-0x00000000778D2000-0x00000000778D3000-memory.dmp

Filesize
4KB

Download
memory/4632-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-31-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4632-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-33-0x00000000778D2000-0x00000000778D3000-memory.dmp

Filesize
4KB

Download
memory/4632-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4632-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4904-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4904-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-11-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/4904-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-25-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4904-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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