ramnit | aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd

Analysis

max time kernel
93s
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
10-12-2024 15:53

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General

Target

aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe
Size

108KB
MD5

0e16a6f5c3cbb0ab44331864a8266c42
SHA1

d8cb1c486a97c427450cd109374da13b98b66bae
SHA256

aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd
SHA512

6eee3e098645351235c1bc5d7266e2d9b153ed6cf48398f2c8c63546f941909dcde7da3d967fb68dcaeabcc68e4fe4bc8a5a75cb887024c3e1e74715cfae84e3
SSDEEP

1536:THMUMLtWfykrjXzE5KyiZlE8Nzv6dXH1QwtjKz5X4pthGQP3+jZ3M0Uek:TeLAfykEKyOlE85wFPtj+5X4BIHk

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
484	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe
4804	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bdf-3.dat	upx
behavioral2/memory/484-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/484-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4804-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4804-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4804-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAB72.tmp	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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 (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\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148827"	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\Recovery\AdminActive\{EF583D33-B70E-11EF-9361-CEB9D96D8528} = "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
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 = "3294412764"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3294256531"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148827"	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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440610999"	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\LastUpdateHighDateTime = "31148827"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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 (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 (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3294412764"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3294256531"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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\Main	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\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148827"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe
4804	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3508	iexplore.exe
3508	iexplore.exe
1560	IEXPLORE.EXE
1560	IEXPLORE.EXE
1560	IEXPLORE.EXE
1560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 484	1600	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe	82
PID 1600 wrote to memory of 484	1600	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe	82
PID 1600 wrote to memory of 484	1600	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe	82
PID 484 wrote to memory of 4804	484	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe	83
PID 484 wrote to memory of 4804	484	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe	83
PID 484 wrote to memory of 4804	484	aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe	83
PID 4804 wrote to memory of 3508	4804	DesktopLayer.exe	84
PID 4804 wrote to memory of 3508	4804	DesktopLayer.exe	84
PID 3508 wrote to memory of 1560	3508	iexplore.exe	85
PID 3508 wrote to memory of 1560	3508	iexplore.exe	85
PID 3508 wrote to memory of 1560	3508	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe
"C:\Users\Admin\AppData\Local\Temp\aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe
  C:\Users\Admin\AppData\Local\Temp\aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:484
- - 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:4804
  - - 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:3508
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3508 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1560

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
87f8376b71b1fd35da4b511eff055888

SHA1
0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

SHA256
a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

SHA512
8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

Filesize
404B

MD5
0d85d577fe2248aa456ad67843d5e2fc

SHA1
3df46daeb3f8d37b5cf97bf21ffce67c7bd1383f

SHA256
3a42bd75546c825514839a89bd2f26e66f69c8a0c6b465631db79b4d70fe1773

SHA512
022705cfd61fe1b9e1871ef3e6077bd9e5847e89179e364c1f36afb887ada87ef9c95cdf48cc555c0314b6bc67a69af44190e9ecbc5a8d68154b1a0a3cccce44

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2650.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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\aed45116036e8536276ebea49a2b7356e2f9441e1f0aaee3f34260ba650147cdSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/484-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/484-5-0x0000000000510000-0x000000000051F000-memory.dmp

Filesize
60KB

Download
memory/484-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1600-18-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1600-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1600-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4804-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4804-14-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4804-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4804-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download