ramnit | 8975781a7ecd529cd700437f2e958831058c325422dd1bf7507cb8a5a9884fda

Analysis

max time kernel
120s
max time network
145s
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 11:52

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General

Target

JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe
Size

180KB
MD5

540667b9bd5caa73a4a5d950bf4b49e0
SHA1

09a6453fd4239ac4812438c241d14853fad895ef
SHA256

8975781a7ecd529cd700437f2e958831058c325422dd1bf7507cb8a5a9884fda
SHA512

17e1c6107fdfc04494e27edf47d5f84f9cdc5b9b4231a13d348fd8c33ddbf01345ad6157e1e3bd79dfd8d8f3ca425a6ce9afc86dbdbf8ca59d0938f41955f9cf
SSDEEP

3072:or7cj66rUPSHJpode3ZnsPC4PuCie2TMifFgEkaWEqnT727DfWnb:ntrUwIe3ZnV4Lie2TMifyF+iT74Knb

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
3540	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe
3188	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3540-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000c000000023bac-3.dat	upx
behavioral2/memory/3540-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3188-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3188-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3188-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB97C.tmp	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.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_540667b9bd5caa73a4a5d950bf4b49e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DD118261-C836-11EF-9361-5EA348B38F9D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153219"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153219"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442497318"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2976694341"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2980444150"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2976694341"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153219"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe
3188	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3032	iexplore.exe
3032	iexplore.exe
4888	IEXPLORE.EXE
4888	IEXPLORE.EXE
4888	IEXPLORE.EXE
4888	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 3540	2352	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe	82
PID 2352 wrote to memory of 3540	2352	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe	82
PID 2352 wrote to memory of 3540	2352	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe	82
PID 3540 wrote to memory of 3188	3540	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe	83
PID 3540 wrote to memory of 3188	3540	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe	83
PID 3540 wrote to memory of 3188	3540	JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe	83
PID 3188 wrote to memory of 3032	3188	DesktopLayer.exe	84
PID 3188 wrote to memory of 3032	3188	DesktopLayer.exe	84
PID 3032 wrote to memory of 4888	3032	iexplore.exe	85
PID 3032 wrote to memory of 4888	3032	iexplore.exe	85
PID 3032 wrote to memory of 4888	3032	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - 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:3188
  - - 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:3032
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4888

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
30f59b20e935520badc298242cb4cff1

SHA1
00622b2054eb148a8459c2ccd0b22606c2d5c7f6

SHA256
4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

SHA512
f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

Filesize
404B

MD5
23cd041a826709d53fbd30dfab3f4a2f

SHA1
32df7b91afa66c606af71b6ccdea50585bce93de

SHA256
b4bba7259092a811aaaf22901e0f9dbc5dab4e8b9bd775a346ced1da203879a7

SHA512
7127451f545e609a3c40f2eab484bead146e4a518e4d553dfd7695b4791bccb5c23233156cdfe7731f75f272d20c1aab031962ef499f017aef85333a20a96bfc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540667b9bd5caa73a4a5d950bf4b49e0Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2352-18-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/2352-38-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/2352-0-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/3188-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3188-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3188-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3188-14-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/3540-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3540-6-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/3540-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download