ramnit | 9d0255ae8b3bfda5c412bb9a85d707785454a7387f2655793ba775d29813c6a6

Analysis

max time kernel
92s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 01:52

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General

Target

9d0255ae8b3bfda5c412bb9a85d707785454a7387f2655793ba775d29813c6a6.dll
Size

192KB
MD5

0f61b8ff80228be7492c312e2a406534
SHA1

29395b7ab32be6a8a8947896b9fefba5df66ec0a
SHA256

9d0255ae8b3bfda5c412bb9a85d707785454a7387f2655793ba775d29813c6a6
SHA512

9a36ee6d26eb9fae6cc3cc334c497a4a53f3ee8d878f6d5c76d990ba4f70dcefe222a9a89e3f76ce55de4fed4dce61923c7ebf72ad1f0b04889ba5b270302951
SSDEEP

3072:jJ0V2KtqwfJStmam4y5leWE+Z5RGRwajeySmItc+GsRRT4ZNWSa:jJwfJ94ilbz3RG+abSjthrRRT4ZsSa

Score

10^/10

ramnit banker 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

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/memory/4576-10-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-13-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-11-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-9-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-16-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-21-0x0000000000400000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/4576-14-0x0000000000400000-0x000000000041A000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4576	rundll32mgr.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4576-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-21-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4576-19-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4576-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D20112E6-29F0-11EF-86EC-6699275097D0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2794974121"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31112701"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31112701"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31112701"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\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-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425094951"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2791693301"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2791693301"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe
4576	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
636	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
636	iexplore.exe
636	iexplore.exe
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4576	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4028	1140	rundll32.exe	81
PID 1140 wrote to memory of 4028	1140	rundll32.exe	81
PID 1140 wrote to memory of 4028	1140	rundll32.exe	81
PID 4028 wrote to memory of 4576	4028	rundll32.exe	82
PID 4028 wrote to memory of 4576	4028	rundll32.exe	82
PID 4028 wrote to memory of 4576	4028	rundll32.exe	82
PID 4576 wrote to memory of 636	4576	rundll32mgr.exe	83
PID 4576 wrote to memory of 636	4576	rundll32mgr.exe	83
PID 636 wrote to memory of 4524	636	iexplore.exe	84
PID 636 wrote to memory of 4524	636	iexplore.exe	84
PID 636 wrote to memory of 4524	636	iexplore.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d0255ae8b3bfda5c412bb9a85d707785454a7387f2655793ba775d29813c6a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d0255ae8b3bfda5c412bb9a85d707785454a7387f2655793ba775d29813c6a6.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4576
  - - 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:636
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:636 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GU2A83AM\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
112KB

MD5
795f2a9209e88f0a2d693c7ad06915b1

SHA1
ab5bf0ed7e83e913fac8981f5047824840c4a859

SHA256
e01112d41987115913c0599fd01921fb4ff1eab86a5b5c8e19514fdad8ec5148

SHA512
fc5faddb8ce01c7d1b74f971ae0ae7f161285d93a426e3436d4395153bf553a61d981a16cf59c788d924a85b6a339aa405a2119168288bd35d6712f1efabd2b0

Download Submit
memory/4028-1-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/4576-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4576-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4576-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4576-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-21-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-20-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4576-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4576-15-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4576-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download