ramnit | e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef

General

Target

e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe
Size

168KB
MD5

0c79170e8690444c2c76c176548c9740
SHA1

21bf6edfbc842bed1e1c0b2a05eed2c38d70fedd
SHA256

e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef
SHA512

690085edf2d88408022bf37698817c581457c22397fe04b3ddd1bd7dae7dc944f2e6364a68a0bf9eaf30152d5da02ecba273994f2a132aee70fb03b881d2160b
SSDEEP

3072:Y4q7miHlSzMKn+W+D8xql5Mmng0k2hqsRdTzC:RqaiFSzMKn+lQQ+mTf

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

Executes dropped EXE 2 IoCs

pid	Process
1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe
1900	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-54.dat	upx
behavioral1/files/0x000c0000000054a8-56.dat	upx
behavioral1/files/0x000c0000000054a8-59.dat	upx
behavioral1/files/0x0007000000014145-60.dat	upx
behavioral1/memory/1640-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0007000000014145-62.dat	upx
behavioral1/files/0x0007000000014145-65.dat	upx
behavioral1/memory/1900-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
832	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe
1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px159.tmp	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373958090"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B0FF4071-5E56-11ED-991C-C6F54D7498C3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
936	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
936	iexplore.exe
936	iexplore.exe
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1640	832	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe	27
PID 832 wrote to memory of 1640	832	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe	27
PID 832 wrote to memory of 1640	832	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe	27
PID 832 wrote to memory of 1640	832	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe	27
PID 1640 wrote to memory of 1900	1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe	28
PID 1640 wrote to memory of 1900	1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe	28
PID 1640 wrote to memory of 1900	1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe	28
PID 1640 wrote to memory of 1900	1640	e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe	28
PID 1900 wrote to memory of 936	1900	DesktopLayer.exe	29
PID 1900 wrote to memory of 936	1900	DesktopLayer.exe	29
PID 1900 wrote to memory of 936	1900	DesktopLayer.exe	29
PID 1900 wrote to memory of 936	1900	DesktopLayer.exe	29
PID 936 wrote to memory of 1908	936	iexplore.exe	31
PID 936 wrote to memory of 1908	936	iexplore.exe	31
PID 936 wrote to memory of 1908	936	iexplore.exe	31
PID 936 wrote to memory of 1908	936	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe
"C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215ef.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe
  C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1640
- - 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:1900
  - - 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:936
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:936 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\e04908b8bd0f13d68653a68725a1183bd309413a16a6d42c91a66ded3b5215efSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/832-57-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-58-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1640-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1900-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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