ramnit | 71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3

Analysis

max time kernel
110s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 03:42

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General

Target

71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
Size

174KB
MD5

1ba03cffad7b4230cd43c1f55aa56ec0
SHA1

3d610d834ec2782fda6394a7c396d8c3dd2fb29b
SHA256

71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3
SHA512

007e0ce6e61091790f95094b4e64fd82b4f82d3978787a6c76ba6935c39a95d2c1608b42c6debd25d16638afc5493781da82fae733fbff7481f2f72f04cbad38
SSDEEP

3072:FNVJoqk+6oSqdMKY4orvqsb1uyb1wAlFybGDbfATdzO0OW05mpKhh6RxoTOp:FNf1Io5yQoTqsZuyZwkocfkzDOCmXK

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
2224	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe
1296	DesktopLayer.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2596-0-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/files/0x000a000000023c07-3.dat	upx
behavioral2/memory/2224-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2224-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1296-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1296-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2596-17-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-18-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-19-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-20-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-30-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-31-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-32-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-43-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-44-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-45-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-46-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2596-47-0x0000000000400000-0x000000000044A000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB3BF.tmp	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.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	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.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
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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	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 = "2700592469"	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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2700592469"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142690"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2704342919"	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\DomainSuggestion\FileNames\en-US = "en-US.1"	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\{CC8E3B4F-9F15-11EF-A7EA-FA89EA07D49F} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142690"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142690"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\DomainSuggestion\NextUpdateDate = "437975119"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe
1296	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
1440	iexplore.exe
1440	iexplore.exe
4884	IEXPLORE.EXE
4884	IEXPLORE.EXE
4884	IEXPLORE.EXE
4884	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2224	2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe	85
PID 2596 wrote to memory of 2224	2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe	85
PID 2596 wrote to memory of 2224	2596	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe	85
PID 2224 wrote to memory of 1296	2224	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe	86
PID 2224 wrote to memory of 1296	2224	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe	86
PID 2224 wrote to memory of 1296	2224	71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe	86
PID 1296 wrote to memory of 1440	1296	DesktopLayer.exe	87
PID 1296 wrote to memory of 1440	1296	DesktopLayer.exe	87
PID 1440 wrote to memory of 4884	1440	iexplore.exe	88
PID 1440 wrote to memory of 4884	1440	iexplore.exe	88
PID 1440 wrote to memory of 4884	1440	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe
"C:\Users\Admin\AppData\Local\Temp\71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - 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:1296
  - - 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:1440
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1440 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4884

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
042619486a0f512d0313c7b4fa6c9756

SHA1
9a3f09247b4b03933f23331b4f0207672c93e02a

SHA256
a231a95c194f54c33eef59babf53d979f0342fbc68bc52dbb524887fd378418d

SHA512
4b2b32d754d116b0609ca43b9ff54ad72c9e22ddbd617b5c94586a219c297c13823c0c2812937db6b2181382176bba46b2f3d37b4b29ae6f171e01ada216c257

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

Filesize
404B

MD5
53be2e4625d788539bf2b7127932e3f2

SHA1
ec5000f9fbc2a10f84e11d6e0015d36bffebfd8f

SHA256
c8d1c4f2b52466d9138ca0af0366fb0db5b13df4ca1f064e8410989fef0f88cf

SHA512
de234bd326559b0f6d190020cec0ce2837667900df587254b01653909bbd159e35a118894eb42e8c971fc1cdd8af7363d25dd07b743f090449aa0bb9ba7ec669

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\71794098935c522f98f95643b552fd930681124edcf4da78049910e60c49d2d3NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1296-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1296-14-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1296-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-6-0x0000000000510000-0x000000000051F000-memory.dmp

Filesize
60KB

Download
memory/2224-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2596-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-20-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-18-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-30-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-31-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-32-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-43-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-44-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-45-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-46-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2596-47-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download