ramnit | 120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4

Analysis

max time kernel
96s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2024, 20:25

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General

Target

120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
Size

3.5MB
MD5

698e225b1e677a2059c86bbb3bf89f3a
SHA1

805cbf52381a48967b064a12075946d110d48ca3
SHA256

120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4
SHA512

efc22602280b0642fe22c3dcc8015d1a859b80a79f4adff23631e959a2a827fc37c3129b7abe3ae59d8527e174036dd00a98708b3dce8a912c077c4282773d55
SSDEEP

98304:U9PazYBVkS4wagSkc7NCVDOdKtRQQQbvFLOAkGkzdnEVomFHKnP8t:MDoYOdKtRQQQbvFLOyomFHKnP8t

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
3436	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe
1132	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b9b-3.dat	upx
behavioral2/memory/3436-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3436-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1132-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1132-14-0x0000000000400000-0x000000000042E000-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	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxACE9.tmp	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.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	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\LastCheckForUpdateHighDateTime = "31144440"	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
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\LastCheckForUpdateHighDateTime = "31144440"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "321496241"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144440"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "329778419"	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
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "321496241"	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\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Recovery\AdminActive\{3E251F41-A5EB-11EF-A7EA-DEEFF298442C} = "0"	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\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438726500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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 (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\LastUpdateLowDateTime = "329778419"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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\Recovery\PendingRecovery\AdminActive = "0"	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\VersionManager\LastUpdateHighDateTime = "31144440"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe
1132	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1592	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
1592	iexplore.exe
1592	iexplore.exe
312	IEXPLORE.EXE
312	IEXPLORE.EXE
312	IEXPLORE.EXE
312	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 3436	2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe	83
PID 2708 wrote to memory of 3436	2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe	83
PID 2708 wrote to memory of 3436	2708	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe	83
PID 3436 wrote to memory of 1132	3436	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe	84
PID 3436 wrote to memory of 1132	3436	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe	84
PID 3436 wrote to memory of 1132	3436	120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe	84
PID 1132 wrote to memory of 1592	1132	DesktopLayer.exe	85
PID 1132 wrote to memory of 1592	1132	DesktopLayer.exe	85
PID 1592 wrote to memory of 312	1592	iexplore.exe	86
PID 1592 wrote to memory of 312	1592	iexplore.exe	86
PID 1592 wrote to memory of 312	1592	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe
"C:\Users\Admin\AppData\Local\Temp\120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe
  C:\Users\Admin\AppData\Local\Temp\120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3436
- - 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:1132
  - - 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:1592
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1592 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:312

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
cdfebcd84ff934bb577a1d3a07a3ccad

SHA1
5092f452374bb3943b00cf53bcad7a92215bae87

SHA256
7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf

SHA512
605a455017dc67d6257a5b434ce9a8df8fbac30dcf6e45856c823ee9998f4008ae08947129a23d88c222c866a06192c2e75374880fe8b67d591816492ae4f56b

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

Filesize
404B

MD5
019968975a2481f072abeff2d4f0f80e

SHA1
d8b262a28ac520771d9d7e8559ba5f44bc465c6e

SHA256
fc425a9a10511a44c55889e153385887dfb44292c634bf99424b005fa1b00077

SHA512
a59219c6f13261bb997ba632d9fdde2a12ea83ce90080709d1b557bf52b210a2230baf93f51ee2a78cab53ee2040a9aeb01c35c568ccf2d5a08cf4e917734964

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2B22.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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\120c148dfc1655cbd5e1889d9735960a0ab455ea71f272a3b010324ae7cfa0d4Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1132-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1132-13-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1132-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2708-0-0x00000000001D0000-0x0000000000553000-memory.dmp

Filesize
3.5MB

Download
memory/2708-17-0x00000000001D0000-0x0000000000553000-memory.dmp

Filesize
3.5MB

Download
memory/3436-6-0x00000000005C0000-0x00000000005CF000-memory.dmp

Filesize
60KB

Download
memory/3436-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3436-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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