ramnit | 14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 10:55

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General

Target

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
Size

1.4MB
MD5

7f2ea738eecc9ff7be1a571ad13408c0
SHA1

8b795d6210e4a208f203bc918e33cb26076f534d
SHA256

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4
SHA512

b3d8844ee2a88df213475aa28e0fdf9c9f613ea7686b28f787857b002c738ab6d8a26bd2e531d56a9df591449a053020557c8b0d424ff30b48afb6ca98045740
SSDEEP

24576:zFiJgbowe6ssJQcAZvI4lyzTCiKC/XS8BGqcJOx0D3gQ:z7ow4sKpqFSDJA0k

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

Processes:

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exeDesktopLayer.exe

pid	Process
2480	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
220	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023c90-3.dat	upx
behavioral2/memory/2480-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2480-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/220-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/220-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px877F.tmp	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.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

Processes:

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exeDesktopLayer.exeIEXPLORE.EXE14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.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	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	Process
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
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2015279689"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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 (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\GPU	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\LastUpdateHighDateTime = "31144360"	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\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A347821B-A59B-11EF-AF2A-FAA11E730504} = "0"	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\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2010592288"	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\Main	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\VersionManager\LastUpdateLowDateTime = "2010592288"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144360"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144360"	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
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\Recovery\AdminActive	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\Recovery\PendingRecovery	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\DomainSuggestion\NextUpdateDate = "438692310"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	Process
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe
220	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid	Process
3932	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exeiexplore.exeIEXPLORE.EXE

pid	Process
2720	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
2720	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
3932	iexplore.exe
3932	iexplore.exe
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exeDesktopLayer.exeiexplore.exe

description	pid	Process	procid_target
PID 2720 wrote to memory of 2480	2720	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	83
PID 2720 wrote to memory of 2480	2720	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	83
PID 2720 wrote to memory of 2480	2720	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	83
PID 2480 wrote to memory of 220	2480	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	84
PID 2480 wrote to memory of 220	2480	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	84
PID 2480 wrote to memory of 220	2480	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	84
PID 220 wrote to memory of 3932	220	DesktopLayer.exe	85
PID 220 wrote to memory of 3932	220	DesktopLayer.exe	85
PID 3932 wrote to memory of 2100	3932	iexplore.exe	86
PID 3932 wrote to memory of 2100	3932	iexplore.exe	86
PID 3932 wrote to memory of 2100	3932	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
"C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - 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:220
  - - 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:3932
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3932 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
cdfebcd84ff934bb577a1d3a07a3ccad

SHA1
5092f452374bb3943b00cf53bcad7a92215bae87

SHA256
7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf

SHA512
605a455017dc67d6257a5b434ce9a8df8fbac30dcf6e45856c823ee9998f4008ae08947129a23d88c222c866a06192c2e75374880fe8b67d591816492ae4f56b

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

Filesize
404B

MD5
46b386dbde746bfc1b9f9467346edcce

SHA1
be2141558cd0ffdacf086abf37bd5dddcd80f046

SHA256
7b57b1689195e60465c8c280b6bc263e1cdf5d46c3a1b0649289d4c6852bb957

SHA512
8078028c876ccb2558beaaf116b08934e1a8be2ef362ebe7847b0e83206ae08848401f2cb9900c5317060ecea6532b72c40679fafd637c750632a460ccc9b79d

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:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/220-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/220-13-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/220-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2480-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2480-5-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/2480-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-0-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/2720-17-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download