ramnit | 83777e971aab9ececdca02949cc358f1684b11441bb04fc34ce9f692bf079a94

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
25-12-2024 00:03

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General

Target

83777e971aab9ececdca02949cc358f1684b11441bb04fc34ce9f692bf079a94.dll
Size

128KB
MD5

e5110ce2f43aa7ca02233f61ce690295
SHA1

1c86c0dd1602aae4be5a103088174b6769cc2b27
SHA256

83777e971aab9ececdca02949cc358f1684b11441bb04fc34ce9f692bf079a94
SHA512

107c631e764ffd4af0c37c14897b6834430560e30f07065c8ab6526b21b1d2aa02deb19da780a4c7f6315d6d8c3bff7686f709be546e80ef0844acc92ef135aa
SSDEEP

3072:iMLMhM7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4Y:BcvZNDkYR2SqwK/AyVBQ9RIY

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
1384	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1384-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1384-12-0x0000000000400000-0x000000000041A000-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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.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 (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151712"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441850011"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2426733334"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151712"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151712"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2426733334"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BC2603DD-C253-11EF-BDBF-7E3D785E6C2E} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2430639673"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe
1384	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3360	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3360	iexplore.exe
3360	iexplore.exe
4212	IEXPLORE.EXE
4212	IEXPLORE.EXE
4212	IEXPLORE.EXE
4212	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1384	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83
PID 1632 wrote to memory of 1384	1632	rundll32.exe	84
PID 1632 wrote to memory of 1384	1632	rundll32.exe	84
PID 1632 wrote to memory of 1384	1632	rundll32.exe	84
PID 1384 wrote to memory of 3360	1384	rundll32mgr.exe	85
PID 1384 wrote to memory of 3360	1384	rundll32mgr.exe	85
PID 3360 wrote to memory of 4212	3360	iexplore.exe	86
PID 3360 wrote to memory of 4212	3360	iexplore.exe	86
PID 3360 wrote to memory of 4212	3360	iexplore.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83777e971aab9ececdca02949cc358f1684b11441bb04fc34ce9f692bf079a94.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83777e971aab9ececdca02949cc358f1684b11441bb04fc34ce9f692bf079a94.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - 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:1384
  - - 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:3360
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3360 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4212

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
66081c8bd2dd7470661f125e528d3ef3

SHA1
7d15772df9b4132f183f88db9a64f13bd82e2458

SHA256
19a7b5c85973a7c8869ccfc7fc0dab17d6a0dbf2de9e642d7f81a58a694c4def

SHA512
d80ddad979748cd5900e9c196c83e7cd1e89a482576b89c7e1fd4dc49401e9503f50105661883375821ff9b6c5ba101815a2ec5ad0d96b833697f14c04ec59be

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\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/1384-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1384-18-0x00000000772E2000-0x00000000772E3000-memory.dmp

Filesize
4KB

Download
memory/1384-20-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1384-4-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1384-11-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1384-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1384-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1384-7-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1632-1-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download