ramnit | eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
26/06/2024, 04:34

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General

Target
eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
Size 126KB
Sample240626-e7k59sxhpp
SHA256 eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7
MD5 0fa6bdafab779e2a36ef87db5219229b
SHA1 e8d481bbfee3a1c6a45d3f672f996cfd59c042b5
SHA512 4d1be03ea7f8bd1c60282597f7a2cbe592fbf6390f497808eae1dff82b5b5800a77991fa9d7e038862a3a852b95ad5d97e3359eca054b2984d0c165e63a5a970
SSDEEP 3072:tLLVpImRqLOUph/3FhIvLwV9jqPEEhHdKk:FLVpOjvg8VxqcETJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker 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

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012269-2.dat	UPX
behavioral1/memory/2292-19-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral1/memory/2060-9-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral1/memory/2416-448-0x00000000001E0000-0x0000000000204000-memory.dmp	UPX

Executes dropped EXE 2 IoCs

pid	Process
2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
2292	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2416	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012269-2.dat	upx
behavioral1/memory/2292-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2060-9-0x0000000000400000-0x000000000042E000-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	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px4B33.tmp	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{72332F51-3375-11EF-B47E-DA79F2D4D836} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425538368"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2292	DesktopLayer.exe
2292	DesktopLayer.exe
2292	DesktopLayer.exe
2292	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2616	iexplore.exe
2616	iexplore.exe
2716	IEXPLORE.EXE
2716	IEXPLORE.EXE
2716	IEXPLORE.EXE
2716	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2060	2416	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	28
PID 2416 wrote to memory of 2060	2416	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	28
PID 2416 wrote to memory of 2060	2416	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	28
PID 2416 wrote to memory of 2060	2416	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	28
PID 2060 wrote to memory of 2292	2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	29
PID 2060 wrote to memory of 2292	2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	29
PID 2060 wrote to memory of 2292	2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	29
PID 2060 wrote to memory of 2292	2060	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	29
PID 2292 wrote to memory of 2616	2292	DesktopLayer.exe	30
PID 2292 wrote to memory of 2616	2292	DesktopLayer.exe	30
PID 2292 wrote to memory of 2616	2292	DesktopLayer.exe	30
PID 2292 wrote to memory of 2616	2292	DesktopLayer.exe	30
PID 2616 wrote to memory of 2716	2616	iexplore.exe	31
PID 2616 wrote to memory of 2716	2616	iexplore.exe	31
PID 2616 wrote to memory of 2716	2616	iexplore.exe	31
PID 2616 wrote to memory of 2716	2616	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
"C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
  C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2292
  - - 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:2616
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2616 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact