ramnit | 6c756cda8715992748c27f05b0b22653b94ad46231395cd290c97977bb0475a1

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 23:16

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General

Target

6c756cda8715992748c27f05b0b22653b94ad46231395cd290c97977bb0475a1.dll
Size

124KB
MD5

9fe8e5376fdec908ed52e0141c9bc430
SHA1

0824f40d42f6282f0865194a888298d9b2c63f68
SHA256

6c756cda8715992748c27f05b0b22653b94ad46231395cd290c97977bb0475a1
SHA512

6f2317c017685a5c5cd8d5d5403eb809fc37dd20bb60c190b66ef6fa15496c29e0eb7a5024de227f110ab6e9047444d41f898efabe7b382dd183daedd576a9a3
SSDEEP

3072:ijulMZM5M7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4Z:i9BcvZNDkYR2SqwK/AyVBQ9RIZ

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 1 IoCs

pid	Process
3116	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3116-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-18-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3116-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151705"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151705"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3820591069"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3820591069"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151705"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3821372210"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441847143"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0EA20118-C24D-11EF-ADF2-E26222BAF6A3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3821372210"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151705"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe
3116	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3024	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3024	iexplore.exe
3024	iexplore.exe
5092	IEXPLORE.EXE
5092	IEXPLORE.EXE
5092	IEXPLORE.EXE
5092	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3116	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3656	4448	rundll32.exe	82
PID 4448 wrote to memory of 3656	4448	rundll32.exe	82
PID 4448 wrote to memory of 3656	4448	rundll32.exe	82
PID 3656 wrote to memory of 3116	3656	rundll32.exe	83
PID 3656 wrote to memory of 3116	3656	rundll32.exe	83
PID 3656 wrote to memory of 3116	3656	rundll32.exe	83
PID 3116 wrote to memory of 3024	3116	rundll32mgr.exe	84
PID 3116 wrote to memory of 3024	3116	rundll32mgr.exe	84
PID 3024 wrote to memory of 5092	3024	iexplore.exe	85
PID 3024 wrote to memory of 5092	3024	iexplore.exe	85
PID 3024 wrote to memory of 5092	3024	iexplore.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c756cda8715992748c27f05b0b22653b94ad46231395cd290c97977bb0475a1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c756cda8715992748c27f05b0b22653b94ad46231395cd290c97977bb0475a1.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:3116
  - - 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:3024
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3024 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5092

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
ac3f25913a50aa09aeebae9f6bbaf3a8

SHA1
bb3e14c2752ffb0ecd49b0ec36ff7863be5de433

SHA256
a49353ed65cfc07f36f60316157f1435a42e143e65442abf45e28eadbb796c60

SHA512
e21124bcd0fa9fc5451556845830853111a3072ee4720dfdc758d0a79dcc9cee7420d6cbefb8be2568bdf048ebc799af8df44d72614ad7ac3e21470f675f0ade

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

Filesize
404B

MD5
325796d6e14afeda3a3394dac7f39182

SHA1
a5bc01258e5b3cf1efd46993c471a9726a4c365a

SHA256
5d5ecd7225000f9b5e61fba19f3980e29685431abe4318548b6a5b13f6e75ed2

SHA512
f29f8f43f306139bd82368243e763f0f0ad43bf9c7ce5b45bf27a085031266e622bbd236c2ff1a36d53a122725e1a61e7444105bdf762163ff9a61bdd5815982

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF07A.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
88KB

MD5
fe76e62c9c90a4bea8f2c464dc867719

SHA1
f0935e8b6c22dea5c6e9d4127f5c10363deba541

SHA256
5705c47b229c893f67741480ed5e3bce60597b2bb0dd755fb1f499a23888d7d6

SHA512
7d6d5bfb10df493ffea7132807be417b5a283d34a1cd49042390b2b927691fd53ecf8eee459c727844395f34e4230b2cd85b38b7fb7df0a3638b244d0c3f6394

Download Submit
memory/3116-17-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/3116-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-16-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/3116-18-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-5-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3116-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-19-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/3116-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-10-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/3116-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3116-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3656-1-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download