ramnit | 6d4070ac93ba1aa91b96ed9cf7f95c3fe8cf03ee292d41fb49afbab8ab2f39c4

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2024, 04:29

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General

Target
2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe
Size 248KB
Sample240324-e4f25shg43
SHA256 6d4070ac93ba1aa91b96ed9cf7f95c3fe8cf03ee292d41fb49afbab8ab2f39c4
MD5 f0c7f4158a558d939dd778aeca324ad4
SHA1 a82f524738fa6ea8203cb84211c79bd3167dddde
SHA512 e8b9399dd7b59015732efc39943ac2c0ae8618ee70ccdcd7d3e93ff14cb49134de49d4e5a4acf566c589ff8166e9acbdc5afd7486c689aab688b652d9094e49b
SSDEEP 3072:F4NtQqJVpZ1T6RZVz3sAAJPh4aPIjQ+Vw05R4TXGJ1u85dIik4x/LaXRYEX+Rot:FyQqrpZ1T4zz3sAeCaAGw4K3aNcNs
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker persistence 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

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023218-7.dat	UPX
behavioral2/memory/1184-13-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/1184-8-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/1180-16-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/1180-20-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/1180-25-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/2972-27-0x0000000000400000-0x0000000000445000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
4072	sysmgr.exe
1184	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
1180	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023218-7.dat	upx
behavioral2/memory/1184-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1184-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1180-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1180-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1180-25-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4"	sysmgr.exe

Drops file in Program Files directory 14 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	sysmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px5E7B.tmp	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	sysmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	sysmgr.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	sysmgr.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\conf.dat	sysmgr.exe
File created	C:\Windows\sysmgr.exe	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe
File created	C:\Windows\svc.dat	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe
File opened for modification	C:\Windows\conf.dat	sysmgr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31096227"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "418019549"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31096227"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4058078902"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4068546327"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1D350B59-E997-11EE-B49E-D2E65CF77D40} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4058078902"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31096227"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe
1180	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3736	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3736	iexplore.exe
3736	iexplore.exe
4548	IEXPLORE.EXE
4548	IEXPLORE.EXE
4548	IEXPLORE.EXE
4548	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4072	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	87
PID 2972 wrote to memory of 4072	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	87
PID 2972 wrote to memory of 4072	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	87
PID 2972 wrote to memory of 1184	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	90
PID 2972 wrote to memory of 1184	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	90
PID 2972 wrote to memory of 1184	2972	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe	90
PID 1184 wrote to memory of 1180	1184	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe	91
PID 1184 wrote to memory of 1180	1184	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe	91
PID 1184 wrote to memory of 1180	1184	2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe	91
PID 1180 wrote to memory of 3736	1180	DesktopLayer.exe	92
PID 1180 wrote to memory of 3736	1180	DesktopLayer.exe	92
PID 3736 wrote to memory of 4548	3736	iexplore.exe	94
PID 3736 wrote to memory of 4548	3736	iexplore.exe	94
PID 3736 wrote to memory of 4548	3736	iexplore.exe	94

C:\Users\Admin\AppData\Local\Temp\2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\sysmgr.exe
  "C:\Windows\sysmgr.exe"
  2⤵
  - Executes dropped EXE
  - Modifies WinLogon
  - Drops file in Program Files directory
  - Drops file in Windows directory
  PID:4072
- C:\Users\Admin\AppData\Local\Temp\2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1180
  - - 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:3736
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3736 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 e875dbce040c10a7aa4730fc0777f7e97bf97276cf6805c438eb3c06b6b567ae
MD5 caa90a177227ecd4b19cf5355bec4fd0
SHA1 26533261a7a0a215447392c9db3acaf819a8d054
SHA512 152b7c5a974c39a40edbe7a6d7307413327b5f39de24dc206b57e86d6cba9b25547f307c2e2fc9d244a9ac9890bcf1c363b1d28b01084b9cc1b04b4b2c623419
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 d344abca8d0350ef3663d78f715f67ddf73f1f939c216e746760c855ce376514
MD5 ea0e82d3c98fb3bdce1b8dbd01ffe983
SHA1 2757ccc01a2e8dfe1508b4ca2db55a48020e799f
SHA512 2e28bfec2e04da7b6e923610bc260160defaa4843f931032dc1a6c11e04851ebc30aaa12e873b317d5137dfa37e23257b6a6378ab935e7eb15db10f7ce64bed1
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8XRBHXP1\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe

Path C:\Users\Admin\AppData\Local\Temp\2024-03-24_f0c7f4158a558d939dd778aeca324ad4_icedid_ramnitSrv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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svc.dat

Path C:\Windows\svc.dat
Size 2KB
SHA256 ea8c039f0d78042c6f429ef7910cdf59978e19a81716eb05b55e80ac1a607471
MD5 1a53d18726dd518c851071bba33a19e1
SHA1 b08ff38ae192deac9295153592fec8abbd261a75
SHA512 16ee500776816d4cdb982670c5dbb5f81b4e02de88d5b2e85cc3dbdedeea1b377a3f2a7274ae7dd70f2275d463a820097d4b7e2e5ef05dbdacfc5a39c90f40db
MD5 SHA1 SHA512

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sysmgr.exe

Path C:\Windows\sysmgr.exe
Size 36KB
SHA256 e506e529d2d1d80ba433d4dec9fcbf07506112c8d0a130bed322f03346640456
MD5 2373dfbdba70b54164d4fe163f7f59f1
SHA1 fbc51778f9e4868ddce4763d0bef4cb48090e3f6
SHA512 32e48c596def05ddd1c987ae54cb069f750e0e4a993aa9f5c1d69e11c49ca90f6d324dfb4fa7c29c7d642eb2d939b2efe9332e0f4f4cbc5a0b2893adbf8598ec
SSDEEP 384:pnAvHMUga1Tz86P5LDml85VOLa4Z9aZeXJJReypFy+E66ryotf:lMMXa106BL5kvSZeZPeAA+P6ryotf
MD5 SHA1 SHA512 SSDEEP

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memory/1180-24-0x00000000771A2000-0x00000000771A3000-memory.dmp

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memory/1180-16-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/1180-20-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/1180-19-0x0000000000520000-0x0000000000521000-memory.dmp

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memory/1180-25-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/1180-26-0x0000000000510000-0x000000000051F000-memory.dmp

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memory/1180-21-0x00000000771A2000-0x00000000771A3000-memory.dmp

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memory/1180-29-0x0000000000510000-0x000000000051F000-memory.dmp

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memory/1184-8-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/1184-9-0x0000000000590000-0x000000000059F000-memory.dmp

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memory/1184-13-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2972-0-0x0000000000400000-0x0000000000445000-memory.dmp

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memory/2972-27-0x0000000000400000-0x0000000000445000-memory.dmp

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