ramnit | e408c8dd659689aa421da34cfe55f5019c21d601b28fb3ef8b6bc0c7e4a8e835

General

Target

e408c8dd659689aa421da34cfe55f5019c21d601b28fb3ef8b6bc0c7e4a8e835.dll
Size

96KB
MD5

799ce61626cffcac92f8db6c52a74bd3
SHA1

3f2e8e0a730a8cbbf27618d6a0068d6ebc54aaef
SHA256

e408c8dd659689aa421da34cfe55f5019c21d601b28fb3ef8b6bc0c7e4a8e835
SHA512

a888c4c24b2363a1f4705242ffb291ebdb701af51b7652c175480ec794aaf8b5a2ea22e1baeebe4e8bf4679ef3d17c23be6aedd4c542108a0803101df6baaec8
SSDEEP

1536:zC/TB2UeZVfNjkkvVDslApxXUWqcNQyxLWpSAjZRJuV:mQX3fNjbpslsUWqeQfp7jr

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
2188	rundll32Srv.exe
2364	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0014000000023e6f-3.dat	upx
behavioral2/memory/2188-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2188-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2364-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2364-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2364-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px5C39.tmp	rundll32Srv.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	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\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-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{67352A79-0833-11F0-A824-46172D3D8C37} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449532706"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe
2364	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1108	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1108	iexplore.exe
1108	iexplore.exe
448	IEXPLORE.EXE
448	IEXPLORE.EXE
448	IEXPLORE.EXE
448	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 2232	4052	rundll32.exe	86
PID 4052 wrote to memory of 2232	4052	rundll32.exe	86
PID 4052 wrote to memory of 2232	4052	rundll32.exe	86
PID 2232 wrote to memory of 2188	2232	rundll32.exe	87
PID 2232 wrote to memory of 2188	2232	rundll32.exe	87
PID 2232 wrote to memory of 2188	2232	rundll32.exe	87
PID 2188 wrote to memory of 2364	2188	rundll32Srv.exe	88
PID 2188 wrote to memory of 2364	2188	rundll32Srv.exe	88
PID 2188 wrote to memory of 2364	2188	rundll32Srv.exe	88
PID 2364 wrote to memory of 1108	2364	DesktopLayer.exe	89
PID 2364 wrote to memory of 1108	2364	DesktopLayer.exe	89
PID 1108 wrote to memory of 448	1108	iexplore.exe	90
PID 1108 wrote to memory of 448	1108	iexplore.exe	90
PID 1108 wrote to memory of 448	1108	iexplore.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e408c8dd659689aa421da34cfe55f5019c21d601b28fb3ef8b6bc0c7e4a8e835.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e408c8dd659689aa421da34cfe55f5019c21d601b28fb3ef8b6bc0c7e4a8e835.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - 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:2364
    - - 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:1108
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1108 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:448

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\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
70f2cd5a40c53a24406bef59c4dca71a

SHA1
438a0730aab95862c097791a037678c5563c42cc

SHA256
a1c50f56a0ce0c9c0288e7a21a933e4b477de7d729666c884d3e6d734b087607

SHA512
f42fb79ad0075f05a4ad53d749a831f9d12f0d2b2d1016871734e19866b9c8406a041b84fc0085e422dcbbd17076f57ea2425e20a294124e24794d2262739e51

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
9090688b1e4d9a5e51aae1a292ea26dd

SHA1
5e82966b51f1869ab60ae1a45f842df7367b6ef7

SHA256
cfbd9176238403d0ba7daddf51be7dae61deecfcc8cbd82e0c0a8855e8adedd0

SHA512
dee48080ce81cfbbeb7d17c3865112545ed32e3417733ef7d54f1475c8e0cf5cdfa06f24c63f071b352e6cc3bd5a40d223eb3ea6dfdc5f5d531c479469881507

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\84O89Q0W\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2188-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2188-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/2188-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2232-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2364-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2364-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2364-13-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2364-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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