ramnit | 3cb768625bc63e2075e7f07e10a06822aaabb858abcfd3cc3ee44b1246c95162

General

Target

2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
Size

7.7MB
MD5

2ea92aef62e2e3442061bfac63200d82
SHA1

54741ea20f2f8f195383bb62e9ceb5c21375fa64
SHA256

3cb768625bc63e2075e7f07e10a06822aaabb858abcfd3cc3ee44b1246c95162
SHA512

2f65089554f8b979266ca559c98949906520c0544079217776d4b6bbef73040108aa44d79e2424deb252bf7eb35a8ef600cf0f18046a50a4c68bbafa01038f3b
SSDEEP

49152:K3ORwRazeYFRu6cjZ72WIJfJnugVaryxMNdPyORo7veIAe+/rvATWFNyALrcVMdH:Z+6/9KN9ie3rcVZAnDhKy

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

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\lsass.exe	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
File created	C:\Windows\SysWOW64\drivers\lsass.exe	lsass.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cmd.pif	lsass.exe

Executes dropped EXE 4 IoCs

pid	Process
876	lsass.exe
3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp
4484	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
1048	DesktopLayer.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	lsass.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023ca9-14.dat	upx
behavioral2/memory/1048-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1048-24-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4484-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAA59.tmp	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 26 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\VersionManager\LastCheckForUpdateHighDateTime = "31155873"	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\DomainSuggestion\NextUpdateDate = "443637041"	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155873"	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\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7CA8B41C-D294-11EF-9361-E26222BAF6A3} = "0"	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\GPU	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
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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\LastCheckForUpdateLowDateTime = "1359682239"	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\LastCheckForUpdateLowDateTime = "1369838478"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe
1048	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4884	iexplore.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
876	lsass.exe
876	lsass.exe
3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp
3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp
4884	iexplore.exe
4884	iexplore.exe
764	IEXPLORE.EXE
764	IEXPLORE.EXE
764	IEXPLORE.EXE
764	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 876	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	82
PID 908 wrote to memory of 876	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	82
PID 908 wrote to memory of 876	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	82
PID 908 wrote to memory of 3608	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	83
PID 908 wrote to memory of 3608	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	83
PID 908 wrote to memory of 3608	908	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe	83
PID 3608 wrote to memory of 4484	3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp	84
PID 3608 wrote to memory of 4484	3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp	84
PID 3608 wrote to memory of 4484	3608	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp	84
PID 4484 wrote to memory of 1048	4484	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe	85
PID 4484 wrote to memory of 1048	4484	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe	85
PID 4484 wrote to memory of 1048	4484	2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe	85
PID 1048 wrote to memory of 4884	1048	DesktopLayer.exe	86
PID 1048 wrote to memory of 4884	1048	DesktopLayer.exe	86
PID 4884 wrote to memory of 764	4884	iexplore.exe	87
PID 4884 wrote to memory of 764	4884	iexplore.exe	87
PID 4884 wrote to memory of 764	4884	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.exe"
1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\drivers\lsass.exe
  "C:\Windows\system32\drivers\lsass.exe"
  2⤵
  - Drops file in Drivers directory
  - Drops startup file
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:876
- C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp
  "C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
    C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4484
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1048
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4884
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4884 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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
fdba1e1aaafa78dc1bc5319f2afb6f86

SHA1
5432b1fa5f940052c9f9117307b2c97a7950cab2

SHA256
83c001e05993c8e603aec23cc4fa21a1515943496a69e18ab4a1196294b5354d

SHA512
ad7a1db5d9f4ac4edc07dfaacd2dd5aa15d8e228b2e096f9add822e4be84c66db28729583f9fdd5ae4f20fe685854cf2c35ced250a19df3b001c7b563c78a13e

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

Filesize
404B

MD5
69a73a117d579a509c37b894fa2f5b21

SHA1
0258262493801cc729ebff2110f785af86e203c8

SHA256
9d200845909e22fe03e24d294c3be8a380b0c1b62947ba5d0271bef3022fc1b7

SHA512
dcb96563a810f06838491144932d4e882c0f163bcf8a82674c20dc5cdc5ea6a5c2a282222976322a48dc9291a193f95fadacb74f47ad0c08dd0e7dc862722570

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\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictor.~tmp

Filesize
7.6MB

MD5
7dad81914d8bb0bf4fcabf067305a999

SHA1
602440c638cd7b5cfa3d666bf5b145ebf8e954df

SHA256
10244d53e27a2385c491ef411f029ee07aec3baf087b665010a624d51a31965b

SHA512
cf61740bb07a2244b9aa28df4e86b1d9869568fdf2a676737c2e8da3e34998ba87566969bde5839382f6913c44277819621610fba402c14118174555de66e12d

Download Submit
C:\Users\Admin\AppData\Local\Temp\2025-01-14_2ea92aef62e2e3442061bfac63200d82_icedid_ramnit_ruftar_strictorSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\drivers\lsass.exe

Filesize
32KB

MD5
c451134261557ae5fe1ee308d0ae1b98

SHA1
e55a9ddd2e3b3083a76d091b13748f55c2caeae3

SHA256
c5eb765654730a8a3dc53997549d97542b419cc5f3fccb9d4a487d1a04dd6481

SHA512
5e9606529d2fea3ac3932f7f08fddc13497f9b3dfe66d61dfa14a68cd37d12cb40dd2a7071c6d8db346cfceded2b2947ec1d3c0291b15d250b75aee7adf52be3

Download Submit
memory/1048-21-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1048-24-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1048-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3608-26-0x0000000000C50000-0x00000000013F7000-memory.dmp

Filesize
7.7MB

Download
memory/3608-10-0x0000000000C50000-0x00000000013F7000-memory.dmp

Filesize
7.7MB

Download
memory/4484-17-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/4484-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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