ramnit | 12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577

General

Target

12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe
Size

129KB
MD5

83212268c737b9aad2850030c53515cb
SHA1

1f3a75f65db196af59cceea29662855554e0e923
SHA256

12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577
SHA512

509f01d6a9829b5cb6ac18a906c430d1bfe43221e35f90d23bed7b95e72c357b9ac90c09de48d7968fdfe6dbd276f555a67450eb720f5fa41704aa3cc6f564b4
SSDEEP

3072:wMsy5bxAxW9XOKBUViOF0VSSJVsacD9KIHkz:BKxOXyAOkJVsLRJHk

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
1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe
1064	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-56.dat	upx
behavioral1/files/0x000c0000000054a8-58.dat	upx
behavioral1/files/0x000c0000000054a8-60.dat	upx
behavioral1/files/0x000a00000001232e-61.dat	upx
behavioral1/files/0x000a00000001232e-63.dat	upx
behavioral1/memory/1048-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a00000001232e-66.dat	upx
behavioral1/memory/1064-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1624-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1624	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe
1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6105.tmp	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
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\DomainSuggestion\FileNames\	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\Main	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\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CBB6D951-594C-11ED-8538-4A4A572A2DE9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374007181"	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\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	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\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1064	DesktopLayer.exe
1064	DesktopLayer.exe
1064	DesktopLayer.exe
1064	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1988	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1988	iexplore.exe
1988	iexplore.exe
524	IEXPLORE.EXE
524	IEXPLORE.EXE
524	IEXPLORE.EXE
524	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 1048	1624	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe	28
PID 1624 wrote to memory of 1048	1624	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe	28
PID 1624 wrote to memory of 1048	1624	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe	28
PID 1624 wrote to memory of 1048	1624	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe	28
PID 1048 wrote to memory of 1064	1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe	29
PID 1048 wrote to memory of 1064	1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe	29
PID 1048 wrote to memory of 1064	1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe	29
PID 1048 wrote to memory of 1064	1048	12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe	29
PID 1064 wrote to memory of 1988	1064	DesktopLayer.exe	30
PID 1064 wrote to memory of 1988	1064	DesktopLayer.exe	30
PID 1064 wrote to memory of 1988	1064	DesktopLayer.exe	30
PID 1064 wrote to memory of 1988	1064	DesktopLayer.exe	30
PID 1988 wrote to memory of 524	1988	iexplore.exe	32
PID 1988 wrote to memory of 524	1988	iexplore.exe	32
PID 1988 wrote to memory of 524	1988	iexplore.exe	32
PID 1988 wrote to memory of 524	1988	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe
"C:\Users\Admin\AppData\Local\Temp\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe
  C:\Users\Admin\AppData\Local\Temp\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1048
- - 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:1064
  - - 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:1988
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1988 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:524

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\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\WHETEH1W.txt

Filesize
608B

MD5
039fbc2ffdf3219431de6106c92c6b21

SHA1
399b9e894639fc9d8bce3c11a4bc86283660562c

SHA256
2a8008ea94d347ab1ad68bb2536324655929cef094764e0af199ec511ef2e37b

SHA512
98fa17342e771de2fcac8988ab095081c54a23dd640d5dc6e84ea21136f4d327570b4e39d36c2c925f0e6710ec3acc9aa6c186996ce50a4aa99970fbdc23706a

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\12c252fe220865428a2987d6925aeec598485971aa08f95bbcf6381758f05577Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1048-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1064-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1624-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/1624-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1624-69-0x0000000000AE0000-0x0000000000B05000-memory.dmp

Filesize
148KB

Download
memory/1624-55-0x0000000000AE0000-0x0000000000B05000-memory.dmp

Filesize
148KB

Download

Analysis

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