ramnit | 57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73

Analysis

max time kernel
110s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 11:14

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General

Target

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe
Size

270KB
MD5

4aa6e9b3133180b84735e32458239f20
SHA1

8d0cdc8408de8877db1de3d6ac3fee30c23d5025
SHA256

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73
SHA512

b81a3837c5a5efc66972e8927917b49fd6a66267441efdae2ff0f5e699cc73f9aa8171ae6c18db7dcf79309d2e6347f0e3f7f5f7e8ac247b0fc773896cd27691
SSDEEP

6144:QeRvKChCeQvHcHCIOrcV7XlbR73Yk2CZRpHAZuacgQIxr:QeRvyeyHcHCIOr27pR73YZORpHAZu3gQ

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

Processes:

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exeDesktopLayer.exe

pid	Process
3908	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe
4276	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2160-0-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral2/files/0x000d000000023b6c-3.dat	upx
behavioral2/memory/3908-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3908-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4276-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4276-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2160-17-0x0000000000400000-0x00000000004A9000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6801.tmp	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.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

Processes:

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exeDesktopLayer.exeIEXPLORE.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.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 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144363"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144363"	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\GPU	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	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 (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4F8B19FB-A59E-11EF-A7EA-622000771059} = "0"	iexplore.exe
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\LastCheckForUpdateLowDateTime = "609485334"	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\VersionManager\LastUpdateLowDateTime = "603548060"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "603548060"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438693457"	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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144363"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	Process
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe
4276	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid	Process
4216	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid	Process
4216	iexplore.exe
4216	iexplore.exe
2200	IEXPLORE.EXE
2200	IEXPLORE.EXE
2200	IEXPLORE.EXE
2200	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exeDesktopLayer.exeiexplore.exe

description	pid	Process	procid_target
PID 2160 wrote to memory of 3908	2160	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe	83
PID 2160 wrote to memory of 3908	2160	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe	83
PID 2160 wrote to memory of 3908	2160	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe	83
PID 3908 wrote to memory of 4276	3908	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe	84
PID 3908 wrote to memory of 4276	3908	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe	84
PID 3908 wrote to memory of 4276	3908	57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe	84
PID 4276 wrote to memory of 4216	4276	DesktopLayer.exe	85
PID 4276 wrote to memory of 4216	4276	DesktopLayer.exe	85
PID 4216 wrote to memory of 2200	4216	iexplore.exe	86
PID 4216 wrote to memory of 2200	4216	iexplore.exe	86
PID 4216 wrote to memory of 2200	4216	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe
"C:\Users\Admin\AppData\Local\Temp\57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3908
- - 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:4276
  - - 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:4216
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4216 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2200

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
cdfebcd84ff934bb577a1d3a07a3ccad

SHA1
5092f452374bb3943b00cf53bcad7a92215bae87

SHA256
7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf

SHA512
605a455017dc67d6257a5b434ce9a8df8fbac30dcf6e45856c823ee9998f4008ae08947129a23d88c222c866a06192c2e75374880fe8b67d591816492ae4f56b

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

Filesize
404B

MD5
904fb52ab64fe9032cc0ec4e0504aba6

SHA1
47dda003e33f8e7fab34c8435cc71ae0cc9f1bda

SHA256
f5a3441f0e6130568c651dd4d039c18b47f9d4d8fb5c0631365f0039cca08b9d

SHA512
e2bae56862ed47e3f75aa7fe023c4b6a669a0b8123b54b7335cd78fc11a7139d5fc4d217f0f3c379e8f1309ff651ad0c4efaee6aadc4cf42c1eaffd7c3169018

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:\Users\Admin\AppData\Local\Temp\57f52bfb7f421c483fe7cd32387a832cb84f94dcee4a76fb56a654cf7236dc73NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2160-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2160-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/3908-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3908-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/3908-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4276-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4276-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4276-14-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

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