ramnit | 89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 09:37

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General

Target

89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe
Size

100KB
MD5

8be685094a09e45fb51772949a846cf1
SHA1

b1a30cbe002e134c3fb60cb10a8b44a38e19d787
SHA256

89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994
SHA512

b4c56ceaf39764fd5cf1dd4d358ada8c4021ba0666997d03d45fed6b3a8635703cf703eef3715305a2c6cacdb24aac3254293e5ffe22b24b4f1c7ee22fca9482
SSDEEP

1536:ZP/hmMXSyJhjeZEVFaDT73aX2dT9R3aHCZ6st9S4UwPHUJbJAiZRKXE:0yJhje4UDA299R3/rP0J/Zb

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
4696	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe
2044	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023c76-3.dat	upx
behavioral2/memory/4696-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4696-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2044-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2044-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2044-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px94BE.tmp	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.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	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\Main\WindowsSearch	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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1479625991"	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
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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{82D490BB-CA7F-11EF-BDBF-EE81E66BE9E9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1479625991"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153804"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1486969333"	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\VersionManager	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\DomainSuggestion\NextUpdateDate = "442748422"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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 (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153804"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	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\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153804"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153804"	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 (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\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1486969333"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe
2044	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2256	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe
2504	iexplore.exe
2504	iexplore.exe
1776	IEXPLORE.EXE
1776	IEXPLORE.EXE
1776	IEXPLORE.EXE
1776	IEXPLORE.EXE
2256	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 4696	2256	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe	83
PID 2256 wrote to memory of 4696	2256	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe	83
PID 2256 wrote to memory of 4696	2256	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe	83
PID 4696 wrote to memory of 2044	4696	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe	84
PID 4696 wrote to memory of 2044	4696	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe	84
PID 4696 wrote to memory of 2044	4696	89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe	84
PID 2044 wrote to memory of 2504	2044	DesktopLayer.exe	85
PID 2044 wrote to memory of 2504	2044	DesktopLayer.exe	85
PID 2504 wrote to memory of 1776	2504	iexplore.exe	86
PID 2504 wrote to memory of 1776	2504	iexplore.exe	86
PID 2504 wrote to memory of 1776	2504	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe
"C:\Users\Admin\AppData\Local\Temp\89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe
  C:\Users\Admin\AppData\Local\Temp\89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4696
- - 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:2044
  - - 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:2504
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2504 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1776

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
8fad2e07a4c7a80a9b50d87e76420c29

SHA1
7faa7310d52e1b97b5f7597dda3fa439f4ec04d8

SHA256
be210b4b624d55d076fdc5b6d9f6b98acb116c646e43c56e52790d910bca942d

SHA512
459a02e6817f3ba0a1edc2590a266a772127f39f651c9a5ee1170fbaefedeadff6a6ff948f97ed09670413dabe611c2c34e00e7600b4ff501455c35776da7895

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

Filesize
404B

MD5
17c0cf22fc63fd04c4de2f0bc9179193

SHA1
e37856818cbca95ff464bb08937579e9d2803683

SHA256
ffa7c73e7bd7c3a15bcb81be2f33363f9f8549bf9eff8988fefec5cea1599039

SHA512
8fdd40cfaa41501748829153566ca6f1d5c821415b748748d061997e0a7df8173bbff593c328eedc8bdfa6b7734bcfc050036f5f969c2ccd9e75a17eb5c5516e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver14AC.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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:\Users\Admin\AppData\Local\Temp\89e0c1547d3db86bcaf5ac1b83da824cc1d7b2b26a6d951af0fdf8a8b55c1994Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2044-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2044-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2044-14-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2044-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2256-18-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2256-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4696-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4696-5-0x0000000002040000-0x000000000204F000-memory.dmp

Filesize
60KB

Download
memory/4696-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download