ramnit | d93b551b3835541376929d8faedf285bdc37a0c34be8efc58befcd22c4a68085

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 14:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
Size

1.9MB
MD5

36508c961b7c7aaebefa90568e4fa865
SHA1

6f302dc5f96b6b636d37d47475b68937a2b98a4e
SHA256

d93b551b3835541376929d8faedf285bdc37a0c34be8efc58befcd22c4a68085
SHA512

789136ef59eb273494b449441ee5680d6b43cc9cf4d4d24298db595319904877ead4a2634306d719dc31cb8406e4a6828311a8f5b532a2a79f81c81c83556988
SSDEEP

49152:NexqJHK1DGeJfqopT1zZbFRKnxRBGoxLibj9Xl7Z/9Uu0E5:GqJHK1zJbpTVZb8pLlibj9Xl7Z/9n

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
3284	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe
4284	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b53-3.dat	upx
behavioral2/memory/3284-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3284-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4284-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4284-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px71A6.tmp	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_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	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.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

description	ioc	Process
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
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\Main	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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31145600"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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 = "596363486"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145600"	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\Main\CompatibilityFlags = "0"	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\LastTTLHighDateTime = "50"	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\FileNames	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 (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145600"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439224745"	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\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\VersionManager\LastCheckForUpdateLowDateTime = "596363486"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "601519476"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4F1B1645-AA73-11EF-A4B7-5EA348B38F9D} = "0"	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\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe
4284	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3420	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
3420	iexplore.exe
3420	iexplore.exe
3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
3360	IEXPLORE.EXE
3360	IEXPLORE.EXE
3360	IEXPLORE.EXE
3360	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3284	3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe	82
PID 3508 wrote to memory of 3284	3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe	82
PID 3508 wrote to memory of 3284	3508	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe	82
PID 3284 wrote to memory of 4284	3284	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe	83
PID 3284 wrote to memory of 4284	3284	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe	83
PID 3284 wrote to memory of 4284	3284	2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe	83
PID 4284 wrote to memory of 3420	4284	DesktopLayer.exe	84
PID 4284 wrote to memory of 3420	4284	DesktopLayer.exe	84
PID 3420 wrote to memory of 3360	3420	iexplore.exe	85
PID 3420 wrote to memory of 3360	3420	iexplore.exe	85
PID 3420 wrote to memory of 3360	3420	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3284
- - 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:4284
  - - 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:3420
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3420 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3360

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
539399c9f7153f78b67cde1bcdea163f

SHA1
6cb6e4936d546c17549aec9431a2af7c31bb3c3a

SHA256
27b9528028887b2d852cae2cb55efb965fc13dfa0882f85d6236814f7eb0ad65

SHA512
11836ba1429de7d15b9eb33b4852b0c71872149e9d448959c366aca1db75796446a86ee5c40b274ac3102d5395c7197d4dc2cd11b32754538aa6883e0ebdbf17

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

Filesize
404B

MD5
c049f8d22e81f8931bee8be058bd7585

SHA1
98c9e51e483285e4e5bc8d0e2386ff56dc1fa550

SHA256
0a778634abf28d18a62be6d5489d6b52234d8ef9ddaae84652032bd51fd3288b

SHA512
b478238e1e9763c0699c9ba015c8269a1c3409e785289c31dcdb9ff0d344f8f35c06d0a4cd2d7686a9a0a498ceb4d105129e5e91cf0fbbcc468c9fc0b555e4c5

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\2024-11-24_36508c961b7c7aaebefa90568e4fa865_bkransomware_ramnitSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3284-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3284-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3284-6-0x0000000000960000-0x000000000096F000-memory.dmp

Filesize
60KB

Download
memory/3508-0-0x0000000000500000-0x00000000006FC000-memory.dmp

Filesize
2.0MB

Download
memory/3508-18-0x0000000000500000-0x00000000006FC000-memory.dmp

Filesize
2.0MB

Download
memory/4284-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4284-13-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4284-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download