ramnit | 86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494

General

Target

86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe
Size

245KB
MD5

0e88f45fcb35755c2405ae2faf571470
SHA1

6a0d8f89b1fb3f373c860ac418f3e9e91fca1611
SHA256

86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494
SHA512

ee2762570e156a9b99cd3663e629164f5d057eef4400ff74eb2909b1f8d34f955ec548c22aa44ff01a4a0ea700e9e14104e608c484638b47a891a877c5a6fb04
SSDEEP

6144:sfMw3klY9mvDmxINPLWtZ0XJn8SI/we4:asgJxINPitZS8Sd

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
2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe
892	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-55.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/files/0x00140000000054ab-59.dat	upx
behavioral1/files/0x000a0000000122fa-60.dat	upx
behavioral1/memory/2012-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a0000000122fa-62.dat	upx
behavioral1/files/0x000a0000000122fa-65.dat	upx
behavioral1/memory/892-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1652	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe
2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxEFDC.tmp	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8F91DF11-5E5B-11ED-979E-6A94EDCEDC7A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374563280"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
892	DesktopLayer.exe
892	DesktopLayer.exe
892	DesktopLayer.exe
892	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1568	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1568	iexplore.exe
1568	iexplore.exe
1868	IEXPLORE.EXE
1868	IEXPLORE.EXE
1868	IEXPLORE.EXE
1868	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2012	1652	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe	28
PID 1652 wrote to memory of 2012	1652	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe	28
PID 1652 wrote to memory of 2012	1652	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe	28
PID 1652 wrote to memory of 2012	1652	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe	28
PID 2012 wrote to memory of 892	2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe	29
PID 2012 wrote to memory of 892	2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe	29
PID 2012 wrote to memory of 892	2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe	29
PID 2012 wrote to memory of 892	2012	86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe	29
PID 892 wrote to memory of 1568	892	DesktopLayer.exe	30
PID 892 wrote to memory of 1568	892	DesktopLayer.exe	30
PID 892 wrote to memory of 1568	892	DesktopLayer.exe	30
PID 892 wrote to memory of 1568	892	DesktopLayer.exe	30
PID 1568 wrote to memory of 1868	1568	iexplore.exe	32
PID 1568 wrote to memory of 1868	1568	iexplore.exe	32
PID 1568 wrote to memory of 1868	1568	iexplore.exe	32
PID 1568 wrote to memory of 1868	1568	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe
"C:\Users\Admin\AppData\Local\Temp\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe
  C:\Users\Admin\AppData\Local\Temp\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2012
- - 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:892
  - - 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:1568
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1568 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1868

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\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\DS0WJNR2.txt

Filesize
539B

MD5
4c16472be9b2bd24767852832acc5db6

SHA1
973515072090c97acfd6808b9424f3bf0db83048

SHA256
fb2221a6b623b93d494eb87609dad0ec9e83dccf03190ac5133b2437d4b2f28e

SHA512
71f4875d1b56ac3af1ef618f5acc96fc2a7580cdf02e19ca6edae20a64356001eee7c284aafb1a2519b29c0839aef103c103a7bdbf8a9e3c820c79c69846fd63

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\86de054d7eb49a62d094fca08f131e0c3a9edfd9f74583be70c85f96147fc494Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/892-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1652-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

Filesize
8KB

Download
memory/1652-67-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-68-0x00000000001E0000-0x000000000020E000-memory.dmp

Filesize
184KB

Download
memory/2012-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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