ramnit | c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2024, 13:34

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General

Target

c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll
Size

124KB
MD5

7451a21ed2ce4f587b6623373b77546d
SHA1

f05bb1b6015e8925d2c5c0bd1424c19d5068ba1d
SHA256

c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe
SHA512

d634922a5e21ee80e574ff07605ce30c2c1cbb860cd66b88e1dce8a6e764bd78c9d6c149126fa3a26144cc4b0c26748602cb7aa8a26bedc12874fa8383201151
SSDEEP

3072:fj6tCphM7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4r:f2cvZNDkYR2SqwK/AyVBQ9RIr

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
4612	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4612-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4612-7-0x0000000000400000-0x000000000041A000-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 30 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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3914761787"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3914761787"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31152026"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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\Main\CompatibilityFlags = "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\LastCheckForUpdateLowDateTime = "3919449380"	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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	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
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	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\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\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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 (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{14F1C0DB-C38E-11EF-A7EA-DA61A5E71E4E} = "0"	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\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31152026"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31152026"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441985022"	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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe
4612	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4980	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4980	iexplore.exe
4980	iexplore.exe
4844	IEXPLORE.EXE
4844	IEXPLORE.EXE
4844	IEXPLORE.EXE
4844	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4612	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 2668	4304	rundll32.exe	83
PID 4304 wrote to memory of 2668	4304	rundll32.exe	83
PID 4304 wrote to memory of 2668	4304	rundll32.exe	83
PID 2668 wrote to memory of 4612	2668	rundll32.exe	84
PID 2668 wrote to memory of 4612	2668	rundll32.exe	84
PID 2668 wrote to memory of 4612	2668	rundll32.exe	84
PID 4612 wrote to memory of 4980	4612	rundll32mgr.exe	85
PID 4612 wrote to memory of 4980	4612	rundll32mgr.exe	85
PID 4980 wrote to memory of 4844	4980	iexplore.exe	86
PID 4980 wrote to memory of 4844	4980	iexplore.exe	86
PID 4980 wrote to memory of 4844	4980	iexplore.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5db69f376bb904206fea02c0559495e96c80df8bbc3ab8eda12617df87e9dbe.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:4612
  - - 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:4980
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4980 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4844

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
863881560832be6db3d7e95507b796d8

SHA1
bab29c682b73454cb94d1a0edfaae5fd64d076f6

SHA256
1b8c898d463e9947656d97610caa6068a39c17fae72baa9168113364b7f70063

SHA512
0556ac3e08e23d12ba2558e3e1320f8c7591359a003c6b98e3d93208361000c3fc25dc13e9f4a3575ef854bd903b32f62a36e541ba10de67f38663d8d8debbcb

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

Filesize
404B

MD5
6b66582ee81cae57f6164bbf3841d9f5

SHA1
8eb9487a67271b7e787f7fc0259c386792f7302b

SHA256
3e0903a9764cd744b7a1d6275094ddf3713dcf3e7cd5683538f553913429fd48

SHA512
5f96d95a825423d529d3ad996f0e759d8bd120843fb726c221bef9220dcb42ecd8b91fbaad354749707c904c6319b7b697451423b9d64b23a594f03c38b1a096

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:\Windows\SysWOW64\rundll32mgr.exe

Filesize
88KB

MD5
fe76e62c9c90a4bea8f2c464dc867719

SHA1
f0935e8b6c22dea5c6e9d4127f5c10363deba541

SHA256
5705c47b229c893f67741480ed5e3bce60597b2bb0dd755fb1f499a23888d7d6

SHA512
7d6d5bfb10df493ffea7132807be417b5a283d34a1cd49042390b2b927691fd53ecf8eee459c727844395f34e4230b2cd85b38b7fb7df0a3638b244d0c3f6394

Download Submit
memory/2668-1-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/4612-18-0x0000000076F42000-0x0000000076F43000-memory.dmp

Filesize
4KB

Download
memory/4612-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-16-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4612-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-17-0x0000000076F42000-0x0000000076F43000-memory.dmp

Filesize
4KB

Download
memory/4612-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-10-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/4612-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4612-4-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download