ramnit | e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 03:34

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General

Target

e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe
Size

816KB
MD5

f652ac403884b6957938a064dc2d3e3f
SHA1

e4d56cabb44e5583650d3cac1d214cde1629f82e
SHA256

e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c
SHA512

6b283035cc4a8d4ef0475cbd6760e02d8651927daa198269e334cd62cc35a8d1ce54332502a0be09cee27621815cf6a26c25ef4a7193e269f5488384ba18db22
SSDEEP

12288:SmwRwrKd7O4i0RfzjfL9deeUcviQG3juMU3kPK2:SbSKFO49Rfzjj9deHSG3xyb

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

Executes dropped EXE 2 IoCs

pid	Process
1388	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
4324	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000233bc-3.dat	upx
behavioral2/memory/1388-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1388-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4324-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4324-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4324-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4324-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px81E2.tmp	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.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	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
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	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31124584"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2927793177"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2927793177"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2931387108"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430198674"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DA16A5D7-585B-11EF-BFD9-FA5B96DB06CB} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124584"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124584"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe
4324	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5036	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2160	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe
2160	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe
5036	iexplore.exe
5036	iexplore.exe
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 1388	2160	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe	84
PID 2160 wrote to memory of 1388	2160	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe	84
PID 2160 wrote to memory of 1388	2160	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe	84
PID 1388 wrote to memory of 4324	1388	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe	85
PID 1388 wrote to memory of 4324	1388	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe	85
PID 1388 wrote to memory of 4324	1388	e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe	85
PID 4324 wrote to memory of 5036	4324	DesktopLayer.exe	86
PID 4324 wrote to memory of 5036	4324	DesktopLayer.exe	86
PID 5036 wrote to memory of 4500	5036	iexplore.exe	87
PID 5036 wrote to memory of 4500	5036	iexplore.exe	87
PID 5036 wrote to memory of 4500	5036	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe
"C:\Users\Admin\AppData\Local\Temp\e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
  C:\Users\Admin\AppData\Local\Temp\e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - 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:4324
  - - 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:5036
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5036 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4500

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\Local\Microsoft\Windows\INetCache\IE\WLXU5DI6\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\e66afb18b6cd47d95db7b148a77bcdb275381b1458dc3830d6c41bc7b237346cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1388-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-5-0x0000000000490000-0x000000000049F000-memory.dmp

Filesize
60KB

Download
memory/2160-0-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/2160-19-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/4324-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4324-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4324-15-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/4324-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4324-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download