ramnit | 28b9b6de745fdd6ab7d909bd5a69fceab6010fbd67c363b5b1a94cd5e9987f86

General

Target

JaffaCakes118_6c1f5f5a56d2dc6d4e65800c306f81bf.dll
Size

796KB
MD5

6c1f5f5a56d2dc6d4e65800c306f81bf
SHA1

ceea931a005ea76d14080d0be0a77aa6c87e9c2e
SHA256

28b9b6de745fdd6ab7d909bd5a69fceab6010fbd67c363b5b1a94cd5e9987f86
SHA512

eb8db6a5e65165aa644b3ed9a2c115f22d6135a5ef7cc6af88186504b28715cf7617d8f91d8cbbbec56b9b8d6c4147fe5e0423bc8a1133917e636a86bb86657e
SSDEEP

24576:rSg9auyPl/1OhkbJK+YLqKw+Jx+DROSlM7a8eb5pH:rSg9auyV1OhkbJK+YLqKw+JMD8SlM7ad

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
4560	regsvr32Srv.exe
1020	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32Srv.exe	regsvr32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4560-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000c000000023b1c-3.dat	upx
behavioral2/memory/4560-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1020-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1020-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1020-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px99B0.tmp	regsvr32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe

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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1965864807"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1963052340"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159296"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159296"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A0852BAF-DFF3-11EF-BEF1-4A034D48373C} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "445107268"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe
1020	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3520	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3520	iexplore.exe
3520	iexplore.exe
2868	IEXPLORE.EXE
2868	IEXPLORE.EXE
2868	IEXPLORE.EXE
2868	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 5068	4736	regsvr32.exe	82
PID 4736 wrote to memory of 5068	4736	regsvr32.exe	82
PID 4736 wrote to memory of 5068	4736	regsvr32.exe	82
PID 5068 wrote to memory of 4560	5068	regsvr32.exe	83
PID 5068 wrote to memory of 4560	5068	regsvr32.exe	83
PID 5068 wrote to memory of 4560	5068	regsvr32.exe	83
PID 4560 wrote to memory of 1020	4560	regsvr32Srv.exe	84
PID 4560 wrote to memory of 1020	4560	regsvr32Srv.exe	84
PID 4560 wrote to memory of 1020	4560	regsvr32Srv.exe	84
PID 1020 wrote to memory of 3520	1020	DesktopLayer.exe	85
PID 1020 wrote to memory of 3520	1020	DesktopLayer.exe	85
PID 3520 wrote to memory of 2868	3520	iexplore.exe	86
PID 3520 wrote to memory of 2868	3520	iexplore.exe	86
PID 3520 wrote to memory of 2868	3520	iexplore.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c1f5f5a56d2dc6d4e65800c306f81bf.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c1f5f5a56d2dc6d4e65800c306f81bf.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Windows\SysWOW64\regsvr32Srv.exe
    C:\Windows\SysWOW64\regsvr32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1020
    - - 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:3520
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3520 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2868

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
fdf43c32c4d36825bd5879ea07a5b99e

SHA1
8292411b70d9e0536a0f4e0230f5df96dd68cb85

SHA256
7cfd6863bf7d9e6c96e002aefe66e1ae9f564e2d05b54e13f31e2b3f98e14449

SHA512
1724d115a8f7a6b3e17305845c581e2610d2aa58dcfe7432ce0f851f6508e70feae543f200242051e5d8a88cb4a3fa27c1dfef250b870b16e78f4af912a834f9

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

Filesize
404B

MD5
a204a275d58c726bf433ab593d66e3c7

SHA1
5fd2c82cc9d355a4d5b2eb987dba890d408a95f8

SHA256
b564d93262edb1b3e84376077408f2e039330188dae1881b7ed69cb570c36f81

SHA512
acb443e4eb73051478d889a842e18eae72dab21970b8f3164c182e48d30aa6c8d4c696eb144cc6d94ee63b2e9c2bd223591ca999ec4ca19fbc8291f7e62bf391

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1020-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1020-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1020-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1020-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1020-16-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/4560-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4560-6-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/4560-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5068-1-0x0000000010000000-0x00000000100DF000-memory.dmp

Filesize
892KB

Download

Analysis

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