ramnit | dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-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
2164	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
2960	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0002000000022df7-133.dat	upx
behavioral2/files/0x0002000000022df7-134.dat	upx
behavioral2/files/0x0003000000022dfa-137.dat	upx
behavioral2/memory/2164-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2960-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0003000000022dfa-138.dat	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB0A7.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 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2686671833"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CB9F9710-6985-11ED-A0EE-C243EF799EB6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2709485800"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997906"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997906"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997906"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375790865"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2686671833"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe
2960	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2052	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2052	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2052	iexplore.exe
2052	iexplore.exe
4672	IEXPLORE.EXE
4672	IEXPLORE.EXE
4672	IEXPLORE.EXE
4672	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 2164	5044	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	81
PID 5044 wrote to memory of 2164	5044	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	81
PID 5044 wrote to memory of 2164	5044	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe	81
PID 2164 wrote to memory of 2960	2164	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	82
PID 2164 wrote to memory of 2960	2164	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	82
PID 2164 wrote to memory of 2960	2164	dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe	82
PID 2960 wrote to memory of 2052	2960	DesktopLayer.exe	83
PID 2960 wrote to memory of 2052	2960	DesktopLayer.exe	83
PID 2052 wrote to memory of 4672	2052	iexplore.exe	84
PID 2052 wrote to memory of 4672	2052	iexplore.exe	84
PID 2052 wrote to memory of 4672	2052	iexplore.exe	84

C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe
"C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
  C:\Users\Admin\AppData\Local\Temp\dc04bf89c0a473aa65c8f603c03cb95bbb3ecb3bc5699f6a23072fa02c3614a4Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2164
- - 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:2960
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2052
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2052 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4672

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
6df395096ecd4495391458b01010ecb2

SHA1
2f1dc39b55265fd6219172e40362c1240506470a

SHA256
6439a7a722864b1920d0307e0fb2eb95207b22010005086b5856646a51f2a7e0

SHA512
eb333fbf74de85ca8bb66dc1c286f71d744e929e614bd056b73fa5161f26e89ef5028d4f729f02de3438ef519bc74968cb0c25428a880efe523121182bb65803

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
412f512703f8378588d1e5dabbc46b4b

SHA1
33da9ecd8ac6b9a56abb2326c94fe65127ecb8df

SHA256
42bc5c5d5bb6481ec9c71b6de2a7539c149a1c16899b3f6d99da37a00df179e4

SHA512
3129f3fc5e95fda5ea072f895eae298c87e0999527f02988155d8aef0f549dcea34a6f6fd7878cee5554b9f0f8b8462ebdcb984a490f637079f88142294f037d

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
memory/2164-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2960-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-135-0x0000000000430000-0x00000000004EC000-memory.dmp

Filesize
752KB

Download