ramnit | e5486205ffd10d2532b82dfd9323e4617182111283272b4c7bf4c2f9a52efdfc

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
01-01-2025 02:29

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General

Target

JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
Size

1.0MB
MD5

43f35c2992fefb165aea0eb254fe3230
SHA1

52a20d02f69967839e4f131a3af1a998b7a932b4
SHA256

e5486205ffd10d2532b82dfd9323e4617182111283272b4c7bf4c2f9a52efdfc
SHA512

eee730d27aca14cb50425894d557f937fcd2b4a177533e9287280a5cce9e616b48090b7d51f50597bf3c74c44b14bd417359e08bb30e65a2f48ce0b1a1665756
SSDEEP

24576:j3nmLCzvpI6QhAM7LttrJan8KnseJSG3krYVosgR5RyUsSD8gvE:bm0I6QGM7RMlnse9q3vyUs8LE

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
3564	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe
724	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d000000023b3f-3.dat	upx
behavioral2/memory/3564-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3564-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/724-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/724-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px783D.tmp	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.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	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.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
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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153141"	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 = "247236709"	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\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
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153141"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "248955531"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "248955531"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442463544"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153141"	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\Recovery\AdminActive\{3A424D52-C7E8-11EF-B9B6-D2BD7E71DA05} = "0"	iexplore.exe
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 (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153141"	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\LastTTLLowDateTime = "1251635200"	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 (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "247393008"	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\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe
724	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3968	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
3968	iexplore.exe
3968	iexplore.exe
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE
3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 3564	3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe	83
PID 3168 wrote to memory of 3564	3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe	83
PID 3168 wrote to memory of 3564	3168	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe	83
PID 3564 wrote to memory of 724	3564	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe	84
PID 3564 wrote to memory of 724	3564	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe	84
PID 3564 wrote to memory of 724	3564	JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe	84
PID 724 wrote to memory of 3968	724	DesktopLayer.exe	85
PID 724 wrote to memory of 3968	724	DesktopLayer.exe	85
PID 3968 wrote to memory of 1200	3968	iexplore.exe	86
PID 3968 wrote to memory of 1200	3968	iexplore.exe	86
PID 3968 wrote to memory of 1200	3968	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f35c2992fefb165aea0eb254fe3230.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3168
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3564
- - 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:724
  - - 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:3968
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3968 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1200

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
febff5e5b64433316ee5f116c5c14309

SHA1
55a533777edeed0d18304f073d59d5ca1e5c7737

SHA256
888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

SHA512
cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

Filesize
404B

MD5
c0679f37c9debb5ef7c6ade95d304649

SHA1
9873bd6e4c1bcc033d9c9778e9b0bfa1489d63dd

SHA256
a772dfe7e31f4b791a069bfe0f4ab6c44de5dd171a416a1aad175ea361e819f9

SHA512
2f9ea8f65b027e3933939ed5cd32ca284291377d5fcfb8b53adc7bc9b100b8d8377803bcb44f09c6df43dd16d836694c6589ce07b7e7e0c241bfc159db928d7a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF00D.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\321WJBEQ\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f35c2992fefb165aea0eb254fe3230Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/724-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/724-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/724-14-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3168-0-0x0000000000C90000-0x0000000000D9B000-memory.dmp

Filesize
1.0MB

Download
memory/3168-38-0x0000000000C90000-0x0000000000D9B000-memory.dmp

Filesize
1.0MB

Download
memory/3564-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3564-7-0x0000000000440000-0x000000000044F000-memory.dmp

Filesize
60KB

Download
memory/3564-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download