ramnit | d72fe84bbf7aade903cb8cc0546f594f522197c6208ea1e16912f4151bf84c1f

Analysis

max time kernel
149s
max time network
149s
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 08:59

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General

Target

JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe
Size

1.0MB
MD5

4f05bf68ea2e20a16e0fb3d68e862f70
SHA1

11204359e5fa85463eb841b452164cd90b364298
SHA256

d72fe84bbf7aade903cb8cc0546f594f522197c6208ea1e16912f4151bf84c1f
SHA512

d6782421c3cfe1cbddfc540c838cfaded1a4200d89cd2e970f34220a149d40756376ef5d33613aa8f0a35e8b1fd46cc884ac350a22c8e65897067c74dc3d60d6
SSDEEP

24576:uQMiCyQMFzkWOYLzZ6oHxrzRY/hJYRu4ZjH2xpS6kQTppMo:IrMZk2xrRYPYN2xpS6kQT3M

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
1836	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
2888	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1836-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1836-8-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/2888-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/2888-19-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/2888-21-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px70AC.tmp	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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\Main	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153195"	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\Main\FullScreen = "no"	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153195"	iexplore.exe
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\LastCheckForUpdateHighDateTime = "31153195"	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
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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\LastUpdateLowDateTime = "2527791901"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2527791901"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C24D6AAA-C81E-11EF-A7EA-D2BD7E71DA05} = "0"	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\LastCheckForUpdateLowDateTime = "2531385388"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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
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\VersionManager\LastTTLLowDateTime = "1251635200"	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\VersionManager\LastTTLHighDateTime = "50"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442486965"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe
2888	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3532	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3532	iexplore.exe
3532	iexplore.exe
772	IEXPLORE.EXE
772	IEXPLORE.EXE
772	IEXPLORE.EXE
772	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 1836	3588	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe	83
PID 3588 wrote to memory of 1836	3588	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe	83
PID 3588 wrote to memory of 1836	3588	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe	83
PID 1836 wrote to memory of 2888	1836	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe	84
PID 1836 wrote to memory of 2888	1836	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe	84
PID 1836 wrote to memory of 2888	1836	JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe	84
PID 2888 wrote to memory of 3532	2888	DesktopLayer.exe	85
PID 2888 wrote to memory of 3532	2888	DesktopLayer.exe	85
PID 3532 wrote to memory of 772	3532	iexplore.exe	86
PID 3532 wrote to memory of 772	3532	iexplore.exe	86
PID 3532 wrote to memory of 772	3532	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1836
- - 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:2888
  - - 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:3532
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3532 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:772

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
44c6f7d040f0b733abc3b147b8ac3c4c

SHA1
5c6bff182b7906d316115e0b01602cd488e1756a

SHA256
32626e48e6055bbffd5030203c9f7e066f68be8c82a08bad9ae0e10df6f9e994

SHA512
cfe509026bb5edc343cdb1924f131a2c1b84e78ef3d586b836e715ab04134bf224250ca1afec0fbeb285daf235fc81baa2767e591422f9f9f7c8c2ea8e1b3554

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\JaffaCakes118_4f05bf68ea2e20a16e0fb3d68e862f70Srv.exe

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

Download Submit
memory/1836-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1836-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1836-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1836-6-0x00000000004C0000-0x00000000004C2000-memory.dmp

Filesize
8KB

Download
memory/2888-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2888-20-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2888-21-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2888-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2888-16-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3588-0-0x0000000000400000-0x0000000000515000-memory.dmp

Filesize
1.1MB

Download
memory/3588-14-0x0000000000400000-0x0000000000515000-memory.dmp

Filesize
1.1MB

Download