ramnit | dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4

Analysis

max time kernel
131s
max time network
153s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 10:18

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General

Target

dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe
Size

726KB
MD5

36f85d3245e1b8bb38c616b30ab1f640
SHA1

4be3c95e83506a8ac06946080d7f40676f6db204
SHA256

dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4
SHA512

eb6353f7b545a79e297587342eff8358284033b5599ca8774156a1fe985087e17c6dd9a7f1b354d803316386a13d5ceb661506cc7303b73ab330b2d67b2abb0d
SSDEEP

12288:WD9nRRdXf9fmfMdVqnISTgXTzILCWHXJY1mVxwjKN2vtEOEQS:299n/qnIsgXT8PHXJU

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
1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
1096	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012314-55.dat	upx
behavioral1/files/0x000b000000012314-57.dat	upx
behavioral1/files/0x000b000000012314-60.dat	upx
behavioral1/files/0x000a00000001232f-61.dat	upx
behavioral1/memory/1808-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a00000001232f-64.dat	upx
behavioral1/files/0x000a00000001232f-66.dat	upx
behavioral1/memory/1096-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
940	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe
1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px1353.tmp	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2CD989C1-698E-11ED-9DF7-72598884447E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375794496"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
672	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
672	iexplore.exe
672	iexplore.exe
1932	IEXPLORE.EXE
1932	IEXPLORE.EXE
1932	IEXPLORE.EXE
1932	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 1808	940	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	28
PID 940 wrote to memory of 1808	940	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	28
PID 940 wrote to memory of 1808	940	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	28
PID 940 wrote to memory of 1808	940	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	28
PID 1808 wrote to memory of 1096	1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	29
PID 1808 wrote to memory of 1096	1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	29
PID 1808 wrote to memory of 1096	1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	29
PID 1808 wrote to memory of 1096	1808	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	29
PID 1096 wrote to memory of 672	1096	DesktopLayer.exe	30
PID 1096 wrote to memory of 672	1096	DesktopLayer.exe	30
PID 1096 wrote to memory of 672	1096	DesktopLayer.exe	30
PID 1096 wrote to memory of 672	1096	DesktopLayer.exe	30
PID 672 wrote to memory of 1932	672	iexplore.exe	32
PID 672 wrote to memory of 1932	672	iexplore.exe	32
PID 672 wrote to memory of 1932	672	iexplore.exe	32
PID 672 wrote to memory of 1932	672	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe
"C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:940
- C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
  C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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:1096
  - - 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:672
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:672 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\MGRH3EJN.txt

Filesize
601B

MD5
72e39ddb01ff9b170e651070b9a87468

SHA1
d70680daa28e6fd578088eb0b610f4aa45778632

SHA256
a961e9231a24dfe9bd51be1cab417cdfb61a7eba3989570f464262f7dac6291d

SHA512
67989837c61bc88e31a78b9f19d00e729f350040b43dff847a5e9c219644b453bedf3452fb312b61af93d8143989e445606cd5be807fbe723fd85a84abe13c94

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\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/940-54-0x0000000075991000-0x0000000075993000-memory.dmp

Filesize
8KB

Download
memory/940-58-0x0000000000260000-0x000000000031C000-memory.dmp

Filesize
752KB

Download
memory/1096-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1808-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download