ramnit | 3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104b

Analysis

max time kernel
94s
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 11:34

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General

Target

3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe
Size

104KB
MD5

a01370d4707d85554b115f3c5b3d5120
SHA1

bbd8aaec4c9742f24f94f9abfeac4fbe3d25e85b
SHA256

3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104b
SHA512

c18b8807b3e2cfaa407f4928cfd73528cc1fa672bec57802bdb0d0a635c183da97dee683643e70c7b4d1d69abc6aafb7853055212a25e0fe58512197254170df
SSDEEP

3072:Uauqxnj8U+Ooj+E5veq3CymfF7SAw5gUrV:Ua/PJq3Cymfu/

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
4000	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe
1640	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b03-3.dat	upx
behavioral2/memory/4000-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4000-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1640-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1640-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1640-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px70AC.tmp	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.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	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "656531594"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{52BAB73D-9CFC-11EF-A4B7-5EA348B38F9D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "656531594"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142153"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437744275"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142153"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142153"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "662156279"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4668	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4668	iexplore.exe
4668	iexplore.exe
816	IEXPLORE.EXE
816	IEXPLORE.EXE
816	IEXPLORE.EXE
816	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4000	4568	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe	83
PID 4568 wrote to memory of 4000	4568	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe	83
PID 4568 wrote to memory of 4000	4568	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe	83
PID 4000 wrote to memory of 1640	4000	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe	84
PID 4000 wrote to memory of 1640	4000	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe	84
PID 4000 wrote to memory of 1640	4000	3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe	84
PID 1640 wrote to memory of 4668	1640	DesktopLayer.exe	85
PID 1640 wrote to memory of 4668	1640	DesktopLayer.exe	85
PID 4668 wrote to memory of 816	4668	iexplore.exe	86
PID 4668 wrote to memory of 816	4668	iexplore.exe	86
PID 4668 wrote to memory of 816	4668	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe
"C:\Users\Admin\AppData\Local\Temp\3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Users\Admin\AppData\Local\Temp\3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe
  C:\Users\Admin\AppData\Local\Temp\3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4000
- - 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:1640
  - - 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:4668
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4668 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:816

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
526c40c41732e5b3d962f781fbbae134

SHA1
baa42198e292fdb90b0e2b290da206b650ae8bd5

SHA256
f4a1f2b28c9eeac4af29803c6803961aab329ca1753a70ad157618c299b7ea48

SHA512
d2a161bdedc2354dea4ffc62d62d0a6625c2ff93d2254cf038badeb0c2f9da5b5afaa5be0e647c8342d2b0976018f3570ee0aeb0a7f158d4562fa9c9024a07c0

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

Filesize
404B

MD5
930544b50817be351dd9edb66e6c8098

SHA1
02a5725939c20d3a6150c26a76507a3e97222ffb

SHA256
adb77f51bdfe494e0a79c037af9c227f7b922db46df79d088d62f78fe9436bbb

SHA512
84e3b9cb7410d5cb4cba909d446816654eb60dfb8917c457fad91c747df9162cfa6f5ded5308f8120c646824cb4fa9ac27013a6d6523633a6c681c38239c8a59

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\3de367a4ef5926a824443a09ea0ea03bebaee78618d35a2606a07f74bc39104bNSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1640-16-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1640-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1640-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1640-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4000-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4000-6-0x0000000000560000-0x000000000056F000-memory.dmp

Filesize
60KB

Download
memory/4000-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4568-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4568-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

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