ramnit | d4321ae1e165f5adca29ae3458bb03c69dffe96a8712c8cd297d1ef58a5beaf1

General

Target

2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe
Size

7.7MB
MD5

9e5e962c28d2b4bb05a5c27697415866
SHA1

3719d116923c7b9433cbea5f950cd61e069245b9
SHA256

d4321ae1e165f5adca29ae3458bb03c69dffe96a8712c8cd297d1ef58a5beaf1
SHA512

d7fe7e12e0e7ad38a288f30bb8b6b60caec8be4c8c42d8ba0328d05496b40859100e79414087bbab11c02a1847daa8f8f82c97608465fbd7e24bcb943a5d6acb
SSDEEP

49152:J70vVrYK8m0TzBNMFcUVcAYXnGYXPNd2kala+yihdXAF/edvoRFRh1Z+WD14gkz8:JwdrytXlposN/I83HpR7h5u

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_9e5e962c28d2b4bb05a5c27697415866_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
4384	lsass.exe
4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp
3956	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe
3868	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023b80-15.dat	upx
behavioral2/memory/3956-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3956-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3868-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3868-26-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3868-25-0x0000000000400000-0x000000000042E000-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	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA18F.tmp	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_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	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_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_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.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 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B38600DB-D298-11EF-ADF2-FA9F886F8D04} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2281404406"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155877"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2282810998"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443638850"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155877"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe
3868	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1080	iexplore.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe
4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe
4384	lsass.exe
4384	lsass.exe
4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp
4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp
1080	iexplore.exe
1080	iexplore.exe
1376	IEXPLORE.EXE
1376	IEXPLORE.EXE
1376	IEXPLORE.EXE
1376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4384	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	81
PID 4572 wrote to memory of 4384	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	81
PID 4572 wrote to memory of 4384	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	81
PID 4572 wrote to memory of 4620	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	82
PID 4572 wrote to memory of 4620	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	82
PID 4572 wrote to memory of 4620	4572	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe	82
PID 4620 wrote to memory of 3956	4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp	83
PID 4620 wrote to memory of 3956	4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp	83
PID 4620 wrote to memory of 3956	4620	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp	83
PID 3956 wrote to memory of 3868	3956	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe	84
PID 3956 wrote to memory of 3868	3956	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe	84
PID 3956 wrote to memory of 3868	3956	2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe	84
PID 3868 wrote to memory of 1080	3868	DesktopLayer.exe	85
PID 3868 wrote to memory of 1080	3868	DesktopLayer.exe	85
PID 1080 wrote to memory of 1376	1080	iexplore.exe	86
PID 1080 wrote to memory of 1376	1080	iexplore.exe	86
PID 1080 wrote to memory of 1376	1080	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_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:4572
- 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:4384
- C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp
  "C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictorSrv.exe
    C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_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:3956
  - - 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:3868
    - - 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:1080
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1376

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
c6d5ffc1ee975e2a18d048642f946154

SHA1
649f4025bdcfdd53a7a8bb3fd8a9857f403a57a3

SHA256
60d571db5d9911e1411ce320b1e739a37772f2d4cc72a851f94ed511ec2e9f21

SHA512
c62bfd568d26fbd8c5dad5dbe98f83db5dd2a1b027b5f54e750095371750c2edf4c007ab349c1d813b9c964f0fe641e28437a2ffe178ff1405e0f1ca6e5d05d9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\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_9e5e962c28d2b4bb05a5c27697415866_icedid_ramnit_ruftar_strictor.~tmp

Filesize
7.6MB

MD5
cad221d5a37741a26f6484e947b178dc

SHA1
22b6f29044d87ddd5e03b17e0355a8ae28401529

SHA256
a3b767f26cb84dbe455615b1d7c3f6a5bc2c5d7fd27b30c6941c7b733e190536

SHA512
e324206e5b25c0dbc6088c26fcd620cb8baeeda70adbfd40da056e42207d26f113cc09ac8d75de8f5d10404f57876149288159123d2b7f07544eb4227b1e4202

Download Submit
C:\Users\Admin\AppData\Local\Temp\2025-01-14_9e5e962c28d2b4bb05a5c27697415866_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/3868-24-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3868-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3868-26-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3868-25-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-17-0x0000000002040000-0x000000000204F000-memory.dmp

Filesize
60KB

Download
memory/3956-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4620-28-0x0000000000980000-0x0000000001126000-memory.dmp

Filesize
7.6MB

Download
memory/4620-12-0x0000000000980000-0x0000000001126000-memory.dmp

Filesize
7.6MB

Download

Analysis

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