ramnit | 4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c

Analysis

max time kernel
93s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 07:58

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General

Target

4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe
Size

156KB
MD5

d95f3c51a7182780ea08d8214f213cb6
SHA1

fbfd65fc9bc846a01486c17eb75d3a82b08d5237
SHA256

4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c
SHA512

c7c54920f097d4269debee72b624677e6ae38785958f44ea23fe8c797899d6f855d09838eb75472168dd7d7a7d52af22bd22a20325780bf125e15ad9dabaf26f
SSDEEP

3072:zZgC/uOY3G1dYzZZ3JfAg/UhCshlxTQdEL5mmuXXK+yC:zWC/zY3GzYzLJfv/UhFBE7XlyC

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
2352	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe
716	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b17-3.dat	upx
behavioral2/memory/2352-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2352-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/716-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/716-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/716-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/716-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px885A.tmp	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4032661821"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150571"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4029224146"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4032661821"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4029224146"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150571"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441360115"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1B4AB689-BDDF-11EF-B9B6-EE8B2F3CE00B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150571"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150571"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe
716	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3080	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3080	iexplore.exe
3080	iexplore.exe
3680	IEXPLORE.EXE
3680	IEXPLORE.EXE
3680	IEXPLORE.EXE
3680	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 2352	1516	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe	83
PID 1516 wrote to memory of 2352	1516	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe	83
PID 1516 wrote to memory of 2352	1516	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe	83
PID 2352 wrote to memory of 716	2352	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe	84
PID 2352 wrote to memory of 716	2352	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe	84
PID 2352 wrote to memory of 716	2352	4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe	84
PID 716 wrote to memory of 3080	716	DesktopLayer.exe	85
PID 716 wrote to memory of 3080	716	DesktopLayer.exe	85
PID 3080 wrote to memory of 3680	3080	iexplore.exe	86
PID 3080 wrote to memory of 3680	3080	iexplore.exe	86
PID 3080 wrote to memory of 3680	3080	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe
"C:\Users\Admin\AppData\Local\Temp\4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe
  C:\Users\Admin\AppData\Local\Temp\4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - 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:716
  - - 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:3080
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3080 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3680

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
5e99ec80bb4e60401972729dff7db4f2

SHA1
a68a2f47614d8afd1b7afd1e0620d32cd393e2c0

SHA256
6ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0

SHA512
7670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654

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

Filesize
404B

MD5
db186d075ec88e17cfcba2be308d2663

SHA1
3f7bdab8a0f0a8cfaf14ffe6ed67ab099ae35966

SHA256
036df7fd579e6111f29c89927d81589517b6e25b8744cf9c8751723197375454

SHA512
7c1c8f166aadd339b21f615d4556caae9af0fa466a2594bb144103de5ca60eaaebe786b647756f65639f2006f23a7fe8b11e9e6a25ea10386b502b24b36fe668

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver366.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\4577507144cc50d3aefc90d90076172936f6f36923071ab902affffa3c10a91cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/716-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/716-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/716-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/716-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/716-15-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1516-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1516-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2352-6-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/2352-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2352-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download