ramnit | 7d70a94483ca1e8e84379bfc091bcdd25c64e7dc2f4359ca64adedf52ea5189d

General

Target

JaffaCakes118_2260faa6ded27d0ea29a6ce473234287.dll
Size

204KB
MD5

2260faa6ded27d0ea29a6ce473234287
SHA1

2255bd1375ff9f257b30b9484dac4eb7fb88cfd6
SHA256

7d70a94483ca1e8e84379bfc091bcdd25c64e7dc2f4359ca64adedf52ea5189d
SHA512

82fbfc72526b803884068b943ce79e1d648934180c8dc5acc197b5f403648caea3992ea0795e25162fe66e8660cacd6334ce6b0102ecd9a61b39617c53e84f80
SSDEEP

3072:l2UxPvVKNiNz1a2JRC+Tq/KcnjLFhVz1YyqR:wGvQ4Nx9RHTVmLVz1pqR

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
3660	rundll32mgr.exe
880	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/3660-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3660-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/880-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/880-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/880-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/880-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/880-40-0x0000000000400000-0x0000000000421000-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\px9942.tmp	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	2364	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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3255331883"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444494076"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157868"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3257206861"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157868"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EDA3A66B-DA5F-11EF-91C3-F6235BFAC6D3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe
880	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3120	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3120	iexplore.exe
3120	iexplore.exe
3924	IEXPLORE.EXE
3924	IEXPLORE.EXE
3924	IEXPLORE.EXE
3924	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3660	rundll32mgr.exe
880	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 4344	2232	rundll32.exe	83
PID 2232 wrote to memory of 4344	2232	rundll32.exe	83
PID 2232 wrote to memory of 4344	2232	rundll32.exe	83
PID 4344 wrote to memory of 3660	4344	rundll32.exe	84
PID 4344 wrote to memory of 3660	4344	rundll32.exe	84
PID 4344 wrote to memory of 3660	4344	rundll32.exe	84
PID 3660 wrote to memory of 880	3660	rundll32mgr.exe	85
PID 3660 wrote to memory of 880	3660	rundll32mgr.exe	85
PID 3660 wrote to memory of 880	3660	rundll32mgr.exe	85
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 2364	880	WaterMark.exe	86
PID 880 wrote to memory of 3120	880	WaterMark.exe	90
PID 880 wrote to memory of 3120	880	WaterMark.exe	90
PID 880 wrote to memory of 4072	880	WaterMark.exe	91
PID 880 wrote to memory of 4072	880	WaterMark.exe	91
PID 3120 wrote to memory of 3924	3120	iexplore.exe	93
PID 3120 wrote to memory of 3924	3120	iexplore.exe	93
PID 3120 wrote to memory of 3924	3120	iexplore.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2260faa6ded27d0ea29a6ce473234287.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2260faa6ded27d0ea29a6ce473234287.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4344
- - 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:3660
  - - 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:880
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2364
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 196
        6⤵
        Program crash
        
        PID:4256
    - - 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:3120
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3120 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3924
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2364 -ip 2364
1⤵
PID:1984

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
90571252df2b01825d4dc943d20e0f8c

SHA1
13122b6704725b578074e00328a1a30df6d57f3c

SHA256
5a513f19cd72e470a13465aa0d30bf8961b4de21720c35a969b0e4ab0c58ab29

SHA512
27fa35333797309e87fb186bfe00335198cae8945aa72f7d736c734030c4832197a2dde5787aa1ef97dc5572322dca32f388c2b6852bdbbd0eb2308a1b987ec3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
103KB

MD5
0ff8c1c8de1f818a51512f4d894e30d1

SHA1
bd99a343ea5ca5ebdd7207651478a8425054716a

SHA256
7cc54785e229b1605103e3219969939eb80f106e9edca3cb380917ac33526d28

SHA512
da23767aa25ba5c1bb55c338fa82b1b60853c83fd1e4af28cc023fdd1405b46717bc58137d7bfe7a3a581dcd23de0520ab6ace88434b8cf35b3a0278f516dfd2

Download Submit
memory/880-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/880-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/880-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/880-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/880-39-0x0000000077882000-0x0000000077883000-memory.dmp

Filesize
4KB

Download
memory/880-36-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/880-31-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/880-32-0x0000000077882000-0x0000000077883000-memory.dmp

Filesize
4KB

Download
memory/880-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2364-35-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/2364-34-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Filesize
4KB

Download
memory/3660-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-26-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3660-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3660-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3660-5-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4344-0-0x000000006D280000-0x000000006D2B3000-memory.dmp

Filesize
204KB

Download

Analysis

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