ramnit | e62b144551305c8b1bd31d8e5e0dfcae89ac0a76dc930ceb3613bf667e39afe8

Analysis

max time kernel
94s
max time network
148s
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 11:45

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General

Target

e62b144551305c8b1bd31d8e5e0dfcae89ac0a76dc930ceb3613bf667e39afe8.dll
Size

71KB
MD5

2fcde9e71be009b9b3dd50cdc87f0b5c
SHA1

7964584bdacdd8e81898cbb5f28ad1c0af2332f4
SHA256

e62b144551305c8b1bd31d8e5e0dfcae89ac0a76dc930ceb3613bf667e39afe8
SHA512

16a2e1e1f304facc97e2840a73a13d717ff77c52d8012292c8023626fe0f3378dbd99d06cc499e367e0c0335f857b34668aa924996149e0cecf5f2e7bea60b92
SSDEEP

1536:eQUh5VR9unGw60fnHkucCP8DB59ROSqZ+FH5LTMrZd7+SY6S46c:KVR9uGB0ES0l5lW+FH5/M1d7+M1z

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:

rundll32Srv.exeDesktopLayer.exe

pid	Process
2156	rundll32Srv.exe
4632	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

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

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1760-0-0x0000000010000000-0x0000000010021000-memory.dmp	upx
behavioral2/files/0x0008000000023ca7-3.dat	upx
behavioral2/memory/2156-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2156-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4632-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4632-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4632-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4632-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA028.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

Processes:

rundll32.exerundll32Srv.exeDesktopLayer.exeIEXPLORE.EXE

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 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\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438695334"	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
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	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
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
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2184918989"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2189762495"	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\{ADB2AD7C-A5A2-11EF-AF2A-EE6C25FCE24B} = "0"	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 (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144367"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2184918989"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144367"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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
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\LastCheckForUpdateHighDateTime = "31144367"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	Process
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe
4632	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid	Process
2476	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid	Process
2476	iexplore.exe
2476	iexplore.exe
3708	IEXPLORE.EXE
3708	IEXPLORE.EXE
3708	IEXPLORE.EXE
3708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	Process	procid_target
PID 1304 wrote to memory of 1760	1304	rundll32.exe	83
PID 1304 wrote to memory of 1760	1304	rundll32.exe	83
PID 1304 wrote to memory of 1760	1304	rundll32.exe	83
PID 1760 wrote to memory of 2156	1760	rundll32.exe	84
PID 1760 wrote to memory of 2156	1760	rundll32.exe	84
PID 1760 wrote to memory of 2156	1760	rundll32.exe	84
PID 2156 wrote to memory of 4632	2156	rundll32Srv.exe	85
PID 2156 wrote to memory of 4632	2156	rundll32Srv.exe	85
PID 2156 wrote to memory of 4632	2156	rundll32Srv.exe	85
PID 4632 wrote to memory of 2476	4632	DesktopLayer.exe	86
PID 4632 wrote to memory of 2476	4632	DesktopLayer.exe	86
PID 2476 wrote to memory of 3708	2476	iexplore.exe	87
PID 2476 wrote to memory of 3708	2476	iexplore.exe	87
PID 2476 wrote to memory of 3708	2476	iexplore.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e62b144551305c8b1bd31d8e5e0dfcae89ac0a76dc930ceb3613bf667e39afe8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e62b144551305c8b1bd31d8e5e0dfcae89ac0a76dc930ceb3613bf667e39afe8.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - 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:2156
  - - 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:4632
    - - 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:2476
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2476 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3708

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
43fd9598262bbb1896e88e731a0d5d78

SHA1
ac69a909f5b82e90d05428ba1cd16dbd2cf3b481

SHA256
7370deee7b7c9abc04e1ecd22ade4b9d27ef55f9d7e5a9bb71b9426432dc6a9e

SHA512
e7b275d6f1d278488f47bd32b6722e48f6eb5dedaed98517f90cec11cc425c050ae9b9bb0f64a9f22efa29d6c1d4d4508817e7aee28dfcfab472c0063907cde7

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:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1760-0-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2156-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2156-5-0x00000000004D0000-0x00000000004DF000-memory.dmp

Filesize
60KB

Download
memory/2156-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4632-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4632-16-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/4632-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4632-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4632-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download