ramnit | 5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb

General

Target

5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
Size

890KB
MD5

3a8972666b81491cbd3abb33b9dc9c1c
SHA1

cf65f1023f53e9dbe57614679b20d8d6b9b02357
SHA256

5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb
SHA512

320d4dcb74eeb77567f2b6c1bc36658690d08f180cdca3b86e32d1fb9183ec197015737e83731ce8d83290bfbf75276d46a5a7a27c12182ea559f10740709b69
SSDEEP

24576:bksJkQi9wJ+kQd6UUJXrXruFYW0xUcMIHmolc8Qcf:bksJxi7kQ4UUJXrXcRVoHFf

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
856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
588	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-55.dat	upx
behavioral1/files/0x000500000000b2d2-57.dat	upx
behavioral1/files/0x000500000000b2d2-59.dat	upx
behavioral1/files/0x000a00000001231c-60.dat	upx
behavioral1/files/0x000a00000001231c-63.dat	upx
behavioral1/memory/856-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a00000001231c-65.dat	upx
behavioral1/memory/588-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB19.tmp	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376339168"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{66A31101-6E82-11ED-BE8B-FAA138970F28} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
588	DesktopLayer.exe
588	DesktopLayer.exe
588	DesktopLayer.exe
588	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1072	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1072	AUDIODG.EXE
Token: 33	1072	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1072	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
1100	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
1100	iexplore.exe
1100	iexplore.exe
1716	IEXPLORE.EXE
1716	IEXPLORE.EXE
1716	IEXPLORE.EXE
1716	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 856	620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	27
PID 620 wrote to memory of 856	620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	27
PID 620 wrote to memory of 856	620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	27
PID 620 wrote to memory of 856	620	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	27
PID 856 wrote to memory of 588	856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	28
PID 856 wrote to memory of 588	856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	28
PID 856 wrote to memory of 588	856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	28
PID 856 wrote to memory of 588	856	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	28
PID 588 wrote to memory of 1100	588	DesktopLayer.exe	29
PID 588 wrote to memory of 1100	588	DesktopLayer.exe	29
PID 588 wrote to memory of 1100	588	DesktopLayer.exe	29
PID 588 wrote to memory of 1100	588	DesktopLayer.exe	29
PID 1100 wrote to memory of 1716	1100	iexplore.exe	32
PID 1100 wrote to memory of 1716	1100	iexplore.exe	32
PID 1100 wrote to memory of 1716	1100	iexplore.exe	32
PID 1100 wrote to memory of 1716	1100	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
"C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620
- C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
  C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:856
- - 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:588
  - - 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:1100
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1716

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x55c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072

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\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7MVT23PP.txt

Filesize
608B

MD5
078dd12207a62c01cc316fff8e2eda43

SHA1
39140973928636827e91408eee2caf164cdf6b4d

SHA256
b80a115792aaa566db785d6009992e516f693a57eb66b768477d4179cf60e6eb

SHA512
8f89209c8ca8f278de100abe731bdefe68001d633decb17662b6711cc5e162137bcd24c9f10562372d8572135e16587d7ce8b746e64fb9e9bb5e159a08ccf09a

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\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/588-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/620-67-0x0000000000400000-0x0000000002CB0000-memory.dmp

Filesize
40.7MB

Download
memory/620-68-0x0000000002CB0000-0x0000000002CDE000-memory.dmp

Filesize
184KB

Download
memory/856-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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