ramnit | cba110137802b723148b6d7d522783767519b01fa763a8c68d79af87295e759d

Analysis

max time kernel
92s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 10:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

70598f6db3031e6fe3748c3ad3b76ae8b38247eb92cd170ddabd993d70bbf564N.dll
Size

220KB
MD5

a40c281ecb47d7afd5a8047c895e7f1e
SHA1

ad6740d10a178585530038d0c69aa49a0f81d78b
SHA256

cba110137802b723148b6d7d522783767519b01fa763a8c68d79af87295e759d
SHA512

4b6bb1ed2a59176165c02bd338441a54453a9348f8ae65172d3b8ff3fb034ad807769d017c7939f10d3678c20d02c760e24d240fdab2b9efc4965cfe3971cf7a
SSDEEP

3072:P4vsEahcJAy45zlcEkKE8Ag0FuT0tBzeK8QaEt6yvXw8Sdjva1NiJn:P4taDpLkKdAOU9VBw8abaG

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
4300	rundll32Srv.exe
2916	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/0x000c000000023b94-3.dat	upx
behavioral2/memory/4300-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2916-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2916-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4300-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8925.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143347"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143347"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FAB5D008-A1A6-11EF-91C3-5EA348B38F9D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3477438681"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3474470382"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143347"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3474626218"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438257376"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe
2916	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3352	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3352	iexplore.exe
3352	iexplore.exe
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE
2692	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 3112	1792	rundll32.exe	84
PID 1792 wrote to memory of 3112	1792	rundll32.exe	84
PID 1792 wrote to memory of 3112	1792	rundll32.exe	84
PID 3112 wrote to memory of 4300	3112	rundll32.exe	85
PID 3112 wrote to memory of 4300	3112	rundll32.exe	85
PID 3112 wrote to memory of 4300	3112	rundll32.exe	85
PID 4300 wrote to memory of 2916	4300	rundll32Srv.exe	86
PID 4300 wrote to memory of 2916	4300	rundll32Srv.exe	86
PID 4300 wrote to memory of 2916	4300	rundll32Srv.exe	86
PID 2916 wrote to memory of 3352	2916	DesktopLayer.exe	87
PID 2916 wrote to memory of 3352	2916	DesktopLayer.exe	87
PID 3352 wrote to memory of 2692	3352	iexplore.exe	88
PID 3352 wrote to memory of 2692	3352	iexplore.exe	88
PID 3352 wrote to memory of 2692	3352	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\70598f6db3031e6fe3748c3ad3b76ae8b38247eb92cd170ddabd993d70bbf564N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\70598f6db3031e6fe3748c3ad3b76ae8b38247eb92cd170ddabd993d70bbf564N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3112
- - 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:4300
  - - 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:2916
    - - 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:3352
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3352 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2692

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
b88227d8cd7a65511bbbb66e5a26e3de

SHA1
40d381d159da1285f947c468717c8ca0c02ff597

SHA256
e7559c406347f6de487b4cd642fb3c430120fe16da8fa4a2f5a303707da42ddb

SHA512
6af22698ae6e729212d963d151d289e0810338d4b063f10129bff94288b4b78e9e8e9bac5f11ed4bdea966e6eeded3e5fc3283d132400f0cb8059d61e68837c0

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

Filesize
404B

MD5
9a3b1f4f290749d23fd73df658147a96

SHA1
7542ae817e2fdcea2c02e6f3a21ee5cd6233e873

SHA256
4f1743ca99d6925fc9790190886ef73992a4b17f955b6b284c6101826a696168

SHA512
beb335713b9dd414aa4457f4884d0453d2546acad926d4ff2372e9880272c66563239aabf86bc053bc364dd55e8afa406a3ac8a50040c8885b5b184ffd6beac2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\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/2916-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2916-14-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2916-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3112-1-0x0000000010000000-0x0000000010044000-memory.dmp

Filesize
272KB

Download
memory/4300-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4300-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/4300-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download