ramnit | 0989c5dbbdccbb2e08fe7a29a62771f7f4e36813d59ddedc2d9af3342d5d7756

Analysis

max time kernel
94s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2024, 15:16

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General

Target

0989c5dbbdccbb2e08fe7a29a62771f7f4e36813d59ddedc2d9af3342d5d7756.dll
Size

150KB
MD5

392f25e6871b4dc3f00bc031d36a8c15
SHA1

17444eaddb2dd694c94413df1b18f9382778b770
SHA256

0989c5dbbdccbb2e08fe7a29a62771f7f4e36813d59ddedc2d9af3342d5d7756
SHA512

8851dce5aba3b10170d99e8de7d953dd81b78add5d583757f0d29fb0f8cf580ebed41feb6a77b9bd775e25e80a23ff4ecb5d4754868bbf0d583ccecacaeca592
SSDEEP

3072:k7LTNzNup4hAQHnLP+VXmwxCtkNPG+XhZ0pi58GANtvgRoA:oLTfuCnj+VXmwxh8Eupi585NSb

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
3572	rundll32Srv.exe
1000	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c6b-3.dat	upx
behavioral2/memory/3572-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3572-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1000-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1000-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCA64.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	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	rundll32.exe
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

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3337112692"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149023"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3363206779"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F228ED5F-B7D2-11EF-B9D5-CA65FB447F0B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3337112692"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149023"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3363206779"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149023"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149023"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440695185"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1012	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1012	iexplore.exe
1012	iexplore.exe
3608	IEXPLORE.EXE
3608	IEXPLORE.EXE
3608	IEXPLORE.EXE
3608	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4832	1168	rundll32.exe	82
PID 1168 wrote to memory of 4832	1168	rundll32.exe	82
PID 1168 wrote to memory of 4832	1168	rundll32.exe	82
PID 4832 wrote to memory of 3572	4832	rundll32.exe	83
PID 4832 wrote to memory of 3572	4832	rundll32.exe	83
PID 4832 wrote to memory of 3572	4832	rundll32.exe	83
PID 3572 wrote to memory of 1000	3572	rundll32Srv.exe	84
PID 3572 wrote to memory of 1000	3572	rundll32Srv.exe	84
PID 3572 wrote to memory of 1000	3572	rundll32Srv.exe	84
PID 1000 wrote to memory of 1012	1000	DesktopLayer.exe	85
PID 1000 wrote to memory of 1012	1000	DesktopLayer.exe	85
PID 1012 wrote to memory of 3608	1012	iexplore.exe	86
PID 1012 wrote to memory of 3608	1012	iexplore.exe	86
PID 1012 wrote to memory of 3608	1012	iexplore.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0989c5dbbdccbb2e08fe7a29a62771f7f4e36813d59ddedc2d9af3342d5d7756.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0989c5dbbdccbb2e08fe7a29a62771f7f4e36813d59ddedc2d9af3342d5d7756.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4832
- - 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:3572
  - - 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:1000
    - - 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:1012
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1012 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3608

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
442f2149a2677d6452319fd147903a7d

SHA1
0d4d3aacb7eb8b19c3856a770d96626a8323e7db

SHA256
7d0e2aad4d879f8a8bc62e6dc5c62964ac32317066428949f3a2b1b8331d8dfc

SHA512
c27ac496b39316dcaa2fdfd47ecc3d9707fc926cf5c5d1ea5d4d79c8c9d31670607b11d291f226e2795c9bd40ae2a8b4ce3a4c659f6e4647041153cfc6c16654

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

Filesize
404B

MD5
7816f34361a47599ee0577850efb5697

SHA1
363a4525f9785a360edf53963c15cc57342311d9

SHA256
9106c3f692c8acb51c366540fbdde34b0904804cefddc8f280bbf032bef1ae78

SHA512
1c08d86b132b7183f6e1daf71ae6ea19cde33e2d8382acf711594ab272bc935c203e22963f8a116c554c856e29f80319a6fa9ec1352278b8efb0f6d51e9267e3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4D7F.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\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/1000-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1000-13-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1000-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3572-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3572-5-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/3572-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4832-1-0x00000000752A0000-0x00000000752CA000-memory.dmp

Filesize
168KB

Download
memory/4832-17-0x00000000752A0000-0x00000000752CA000-memory.dmp

Filesize
168KB

Download