ramnit | b856be4654e62b6faa5f4a81f6d6a4ea9d79a7d930c46e3d94afbc9a403796d3

General

Target

2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
Size

1.6MB
MD5

0c487ce5916b8baeb7b233a3776f24ef
SHA1

612a8f233bb6365859fd036c77e22ee25902081d
SHA256

b856be4654e62b6faa5f4a81f6d6a4ea9d79a7d930c46e3d94afbc9a403796d3
SHA512

c53b089cba0789030110ce368570033b8a0b625a1424de632fd80b02f8e59d4e1d37c05c72cf0bfa779cb525e13a2c5d36bc5e2a381cdd6ca54981998d13cf1c
SSDEEP

49152:/oTfSbJYz+fgs5W7xBJmMcBXyP1EnbHWNu3n:Qk8JmMcNHnbHx

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
3648	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
3776	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c64-3.dat	upx
behavioral2/memory/3648-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3648-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3776-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3776-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA77B.tmp	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.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	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
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	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157361"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444276421"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4260947032"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{29439011-D865-11EF-A7EA-5EA348B38F9D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4256571925"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157361"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
3776	DesktopLayer.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4680	iexplore.exe
2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4680	iexplore.exe
4680	iexplore.exe
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3648	2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe	82
PID 2376 wrote to memory of 3648	2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe	82
PID 2376 wrote to memory of 3648	2376	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe	82
PID 3648 wrote to memory of 3776	3648	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe	83
PID 3648 wrote to memory of 3776	3648	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe	83
PID 3648 wrote to memory of 3776	3648	2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe	83
PID 3776 wrote to memory of 4680	3776	DesktopLayer.exe	84
PID 3776 wrote to memory of 4680	3776	DesktopLayer.exe	84
PID 4680 wrote to memory of 4516	4680	iexplore.exe	85
PID 4680 wrote to memory of 4516	4680	iexplore.exe	85
PID 4680 wrote to memory of 4516	4680	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - 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:3776
  - - 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:4680
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4680 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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
fbd57568c7e969025fd7a77d6a9e5f45

SHA1
d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

SHA256
b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

SHA512
c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

Filesize
404B

MD5
4d46a0b60e54d1eebe3b5cb204590cb9

SHA1
90a41b38ec646a970f692f8152944936ac8f9516

SHA256
bdab496a8fada0d4790496194d612b18ac49ce83bcd075e540038e34bdf3a22b

SHA512
8010e8d6fb84595a75508c697c3d2c690da417a16495863769f19e6cfbdc4c1fb76ca7f7c92f685e89100dc8f69924e3c939a768fb3f735a7e5708d03c6d16e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\2025-01-22_0c487ce5916b8baeb7b233a3776f24ef_luca-stealer_magniber_ramnitSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2376-17-0x0000000000E60000-0x0000000001067000-memory.dmp

Filesize
2.0MB

Download
memory/2376-0-0x0000000000E60000-0x0000000001067000-memory.dmp

Filesize
2.0MB

Download
memory/2376-18-0x0000000000E60000-0x0000000001067000-memory.dmp

Filesize
2.0MB

Download
memory/3648-6-0x00000000005A0000-0x00000000005AF000-memory.dmp

Filesize
60KB

Download
memory/3648-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3648-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3776-12-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/3776-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3776-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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