ramnit | ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 10:14

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General

Target

ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe
Size

292KB
MD5

540ce6edb77a6941dcee1d03536a04df
SHA1

3be74dd166444f5b78b3f21206a40bbdd08cc5c8
SHA256

ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10
SHA512

acb69ca66bc242016d80ccbb6367d641edd90e6264f1a4f358f1d435c8916acc7af5ca12fc5a58db34dee3e58e4d8d54d23d443ee151f41a5319e53e955b14b0
SSDEEP

6144:0GWajvSsANgXb8MtQXrZ0giO7WNNw1DtPE:1z5XbNtYrCOYufE

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 3 IoCs

pid	Process
3696	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe
2868	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
4524	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023442-3.dat	upx
behavioral2/memory/3696-5-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2868-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000800000002349e-7.dat	upx
behavioral2/memory/2868-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4524-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4524-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3696-24-0x0000000000400000-0x000000000045B000-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	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px8E36.tmp	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4712	3696	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 5 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	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31129267"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1175087275"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432209832"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129267"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{71A5A324-6AA6-11EF-98CC-D6586EC96307} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1175087275"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1179618598"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129267"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe
4524	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4796	iexplore.exe
4796	iexplore.exe
4268	IEXPLORE.EXE
4268	IEXPLORE.EXE
4268	IEXPLORE.EXE
4268	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 3696	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	86
PID 4204 wrote to memory of 3696	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	86
PID 4204 wrote to memory of 3696	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	86
PID 4204 wrote to memory of 2868	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	87
PID 4204 wrote to memory of 2868	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	87
PID 4204 wrote to memory of 2868	4204	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe	87
PID 2868 wrote to memory of 4524	2868	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe	89
PID 2868 wrote to memory of 4524	2868	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe	89
PID 2868 wrote to memory of 4524	2868	ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe	89
PID 4524 wrote to memory of 4796	4524	DesktopLayer.exe	91
PID 4524 wrote to memory of 4796	4524	DesktopLayer.exe	91
PID 4796 wrote to memory of 4268	4796	iexplore.exe	93
PID 4796 wrote to memory of 4268	4796	iexplore.exe	93
PID 4796 wrote to memory of 4268	4796	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe
"C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe
  C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 272
    3⤵
    - Program crash
    PID:4712
- C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
  C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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:4524
  - - 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:4796
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4796 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 3696
1⤵
PID:3720

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
92263a7b40579a5aa3e1485ae1c154af

SHA1
a586a9471059d10b8e36f6a2107a58d847cc613d

SHA256
77fb89fead00c3f22b6f498a5ce4cd4b236266dee3318fc8d40187cdaa249c6e

SHA512
5f3f751ef29629bd833eec7e9ced83ce102542c6a512be8dcc783f23b184e2a5fe340b052b4cfa7f988eaed22c2788ca287dde91e10875c48b2183b0d4d2a07c

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

Filesize
404B

MD5
b2d3fe7016532f98eb3bf4bab8174bb4

SHA1
7a6c627715a6205d200419cb49983b2b58e68933

SHA256
1b85032ad6964b63b70d282969e5fec89ea7a8a01b943a2439dd494bc864e261

SHA512
d1ae2c74a1f6e6890cfd66c445705c4866ccb31c72f40f2cb4ccd14f100799b48b02942bda95f9de28df74c06d462a94c27a9b342325f8d6a0064d81dcb67f37

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NUB8HZ4Z\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe

Filesize
105KB

MD5
dfb5daabb95dcfad1a5faf9ab1437076

SHA1
4a199569a9b52911bee7fb19ab80570cc5ff9ed1

SHA256
54282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0

SHA512
5d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8

Download Submit
memory/2868-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2868-11-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/2868-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3696-24-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3696-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3696-10-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4204-25-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4204-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4204-26-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4524-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4524-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4524-19-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download