ramnit | 04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45f

Analysis

max time kernel
93s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 15:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe
Size

1.3MB
MD5

e235dc1645a3cf947136cb1f7fc58fa0
SHA1

9b909fa6361ea3605b2dc306a0416d953bdae283
SHA256

04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45f
SHA512

1890f803d1cef1c9324e962c1bf29d93b142a6277b7f6ef0f3b41457bc6b90081627a6020afa6079b9943c8628fba17b79766b4b88c02c849bd5f3179001c20c
SSDEEP

24576:vz1cUNHT/8iOHyIy9eOmjL73lPs8EzS1VVA6C05VPKa4iijZr8I:vz1XHTuHyIkYL73lPnF1vF5+iitr

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
448	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe
5000	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023c90-3.dat	upx
behavioral2/memory/448-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/448-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5000-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5000-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB97C.tmp	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3352355964"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3352355964"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3356262340"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142184"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F36C1D58-9D1B-11EF-9361-E6FB6C85BB83} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142184"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437757859"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142184"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3552	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5108	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe
5108	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe
3552	iexplore.exe
3552	iexplore.exe
3016	IEXPLORE.EXE
3016	IEXPLORE.EXE
3016	IEXPLORE.EXE
3016	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 448	5108	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe	83
PID 5108 wrote to memory of 448	5108	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe	83
PID 5108 wrote to memory of 448	5108	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe	83
PID 448 wrote to memory of 5000	448	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe	84
PID 448 wrote to memory of 5000	448	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe	84
PID 448 wrote to memory of 5000	448	04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe	84
PID 5000 wrote to memory of 3552	5000	DesktopLayer.exe	85
PID 5000 wrote to memory of 3552	5000	DesktopLayer.exe	85
PID 3552 wrote to memory of 3016	3552	iexplore.exe	86
PID 3552 wrote to memory of 3016	3552	iexplore.exe	86
PID 3552 wrote to memory of 3016	3552	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe
"C:\Users\Admin\AppData\Local\Temp\04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Local\Temp\04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe
  C:\Users\Admin\AppData\Local\Temp\04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:448
- - 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:5000
  - - 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:3552
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3552 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3016

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
526c40c41732e5b3d962f781fbbae134

SHA1
baa42198e292fdb90b0e2b290da206b650ae8bd5

SHA256
f4a1f2b28c9eeac4af29803c6803961aab329ca1753a70ad157618c299b7ea48

SHA512
d2a161bdedc2354dea4ffc62d62d0a6625c2ff93d2254cf038badeb0c2f9da5b5afaa5be0e647c8342d2b0976018f3570ee0aeb0a7f158d4562fa9c9024a07c0

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

Filesize
404B

MD5
d91f8aa4ae813fdbac1556e585219d44

SHA1
629668a8b11be5a21beee9e688463ff42a660dd9

SHA256
ea90fd8e8ca9681b26e57f9ecd000e122a5f12d3508afac587200d599968405e

SHA512
54f7a2a824868b17966bdc9633c8e209ebe03e4287744866db80d5f711cc74d02b308f62bad0bb8da8baeb023af4e706a7515dec77852628ff0e256f50f1c34c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\04e9db11f0d41df3ffbfb918ea443a3b6b2e8fdcf7de36277f48012a0768d45fNSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/448-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/448-6-0x0000000000440000-0x000000000044F000-memory.dmp

Filesize
60KB

Download
memory/448-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5000-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5000-13-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/5000-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5108-0-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/5108-17-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download