ramnit | f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94

General

Target

f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe
Size

425KB
MD5

923545729087b398afe72a816a1c1eaa
SHA1

068a11e2d07b54933ccb603ec3948b88ca09ee89
SHA256

f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94
SHA512

a28179456673d49bc54507aa60e54c577c991ee1389bed00743cdc81ac6ee2a97bb2639316c04c68c7ded61eb9afabe4f0d150a7425b1d5eebee9354e1ebf7a5
SSDEEP

12288:30X0KOnD/voMRQlNmrbhod2hiRAXQNs44BF4lIyHLhdQ:kX0hD34ShYVRyg0gHQ

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
5516	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe
3520	DesktopLayer.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1352-25-0x00000000001E0000-0x00000000002D4000-memory.dmp	autoit_exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1352-0-0x00000000001E0000-0x00000000002D4000-memory.dmp	upx
behavioral2/memory/5516-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5516-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00090000000229ca-6.dat	upx
behavioral2/memory/3520-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3520-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1352-25-0x00000000001E0000-0x00000000002D4000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxF484.tmp	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.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	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.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 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\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-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449492826"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8C3D569A-07D6-11F0-B6D4-FA0FD19E9D61} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe
3520	DesktopLayer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4784	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4784	iexplore.exe
4784	iexplore.exe
3528	IEXPLORE.EXE
3528	IEXPLORE.EXE
3528	IEXPLORE.EXE
3528	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 5516	1352	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe	86
PID 1352 wrote to memory of 5516	1352	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe	86
PID 1352 wrote to memory of 5516	1352	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe	86
PID 5516 wrote to memory of 3520	5516	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe	87
PID 5516 wrote to memory of 3520	5516	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe	87
PID 5516 wrote to memory of 3520	5516	f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe	87
PID 3520 wrote to memory of 4784	3520	DesktopLayer.exe	88
PID 3520 wrote to memory of 4784	3520	DesktopLayer.exe	88
PID 4784 wrote to memory of 3528	4784	iexplore.exe	89
PID 4784 wrote to memory of 3528	4784	iexplore.exe	89
PID 4784 wrote to memory of 3528	4784	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe
"C:\Users\Admin\AppData\Local\Temp\f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe
  C:\Users\Admin\AppData\Local\Temp\f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5516
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3520
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4784
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4784 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3528

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
01fa3211165ca3e0dbd816e5389630bf

SHA1
2a6569707c8ea29cbf996a906855470bb7831f48

SHA256
ab165a9a5b25e6c05f6f2eac77c9dcc9b4157897524a0be4415cdae9cef5636f

SHA512
1848c476ebf00781299715f7c664465a071fa54e3bc14002df35a74aa27667788956bddc4b96b241ea2865f819cf5e33ed7907504a99342c2a0379a0964550ad

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

Filesize
412B

MD5
b948ce77d06ebff1074b02ffb6653df5

SHA1
178f318ef613baf819c55909c4ad9ee8dcacba23

SHA256
e51405fb822ca7e3b1b73b3e588078d6aeea2cec99da178304dcb531cba3b351

SHA512
1937676fa4713d4909bc3592602430871e15678363a11970446f3319ef006498696930045a243cafd7375face9a2e26d93b38f64ac53db8a472e13fc028d6411

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0CMYC78C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\f78e269059bcc7facc79d28dab4d1063ea24a78d121f5363ac47cff21233aa94Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1352-0-0x00000000001E0000-0x00000000002D4000-memory.dmp

Filesize
976KB

Download
memory/1352-25-0x00000000001E0000-0x00000000002D4000-memory.dmp

Filesize
976KB

Download
memory/3520-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3520-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3520-12-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/5516-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5516-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5516-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

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Analysis

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