ramnit | d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849

Analysis

max time kernel
86s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 19:14

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General

Target

d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe
Size

84KB
MD5

04099d0b166d82e52d264931eceff0e0
SHA1

8a429ce0f60ced135ba2a20af8556492ee5f2959
SHA256

d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849
SHA512

212a2bf2e6c80ed003a052e9e75c8b70809c8d5a7f41679f92f71791b340f30e4c94639d23aff89119e459b6a803eed56729f2b4ece3125565a62963474b6a43
SSDEEP

1536:OkQ/0ubC0h9z+uhiakXS/qXw7h00kZ0R:M0KhA+iJXPwhth

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
552	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe
1964	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000300000000071f-133.dat	upx
behavioral2/files/0x000300000000071f-134.dat	upx
behavioral2/memory/552-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0004000000000721-138.dat	upx
behavioral2/memory/1964-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0004000000000721-136.dat	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxE256.tmp	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3396165317"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988137"	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\LastCheckForUpdateLowDateTime = "3426636638"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	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\LastUpdateHighDateTime = "30988137"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3396165317"	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\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
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\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F5E99449-435C-11ED-A0EE-4A7057C3C021} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\PendingRecovery	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 = "371595183"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988137"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe
1964	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3744	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3744	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4768	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe
4768	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe
3744	iexplore.exe
3744	iexplore.exe
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 552	4768	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe	86
PID 4768 wrote to memory of 552	4768	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe	86
PID 4768 wrote to memory of 552	4768	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe	86
PID 552 wrote to memory of 1964	552	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe	87
PID 552 wrote to memory of 1964	552	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe	87
PID 552 wrote to memory of 1964	552	d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe	87
PID 1964 wrote to memory of 3744	1964	DesktopLayer.exe	88
PID 1964 wrote to memory of 3744	1964	DesktopLayer.exe	88
PID 3744 wrote to memory of 2020	3744	iexplore.exe	89
PID 3744 wrote to memory of 2020	3744	iexplore.exe	89
PID 3744 wrote to memory of 2020	3744	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe
"C:\Users\Admin\AppData\Local\Temp\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Users\Admin\AppData\Local\Temp\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe
  C:\Users\Admin\AppData\Local\Temp\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:552
- - 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:1964
  - - 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:3744
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3744 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2020

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\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\d25faf4b1afe4511687bc1ea8c9935b75c4d1ef6c28e1960a715b8a009514849Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/552-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1964-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4768-140-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4768-141-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download