ramnit | 33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2

General

Target

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
Size

1.6MB
MD5

d929a03867535a6c9fa1180b32c83d66
SHA1

66aa2e1c414e165347b390996ee1cfa72c07e930
SHA256

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2
SHA512

fb002a25c3d88ed5bf7c0c396583652a39fbbe3624b2addf98f19eaffd389d1a0cce0e034ed440fcb9bb3cafea0c242ba38f48ca6ff0e8795733a02f243194bb

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

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exeDesktopLayer.exe

pid process

624 33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
1036 DesktopLayer.exe

pid	process
624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
1036	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/624-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1036-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1672-67-0x0000000000400000-0x0000000000CEF000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

pid	process
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px1739.tmp	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362453087"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{59BC4161-F037-11EC-85FC-5EFF8A6DE4BC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1036 DesktopLayer.exe
1036 DesktopLayer.exe
1036 DesktopLayer.exe
1036 DesktopLayer.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe

description pid process

Token: SeDebugPrivilege 1672 33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe

pid	process
1036	DesktopLayer.exe
1036	DesktopLayer.exe
1036	DesktopLayer.exe
1036	DesktopLayer.exe

description	pid	process
Token: SeDebugPrivilege	1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exeiexplore.exe

pid	process
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1120	iexplore.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe

pid	process
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exeiexplore.exeIEXPLORE.EXE

pid	process
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1120	iexplore.exe
1120	iexplore.exe
1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1672 wrote to memory of 624	1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
PID 1672 wrote to memory of 624	1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
PID 1672 wrote to memory of 624	1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
PID 1672 wrote to memory of 624	1672	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
PID 624 wrote to memory of 1036	624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	DesktopLayer.exe
PID 624 wrote to memory of 1036	624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	DesktopLayer.exe
PID 624 wrote to memory of 1036	624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	DesktopLayer.exe
PID 624 wrote to memory of 1036	624	33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe	DesktopLayer.exe
PID 1036 wrote to memory of 1120	1036	DesktopLayer.exe	iexplore.exe
PID 1036 wrote to memory of 1120	1036	DesktopLayer.exe	iexplore.exe
PID 1036 wrote to memory of 1120	1036	DesktopLayer.exe	iexplore.exe
PID 1036 wrote to memory of 1120	1036	DesktopLayer.exe	iexplore.exe
PID 1120 wrote to memory of 1576	1120	iexplore.exe	IEXPLORE.EXE
PID 1120 wrote to memory of 1576	1120	iexplore.exe	IEXPLORE.EXE
PID 1120 wrote to memory of 1576	1120	iexplore.exe	IEXPLORE.EXE
PID 1120 wrote to memory of 1576	1120	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe
"C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
  C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:624
- - 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:1036
  - - 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:1120
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1120 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\BT08EKBS.txt

Filesize
606B

MD5
ba9411be57ae1d7fd49a68c1209c7f18

SHA1
93c535e2afb04ef4256086346e95f2d2bcea88bb

SHA256
7cb388aa0fbfa49278a43b77de7d627070d17a89d4f04f505ba2aae58ffe8007

SHA512
e695bd9e463ec85305c064dd74854d8ae6431321caff9339aba053bc764874f0e7b3abb4692e3298da6afc253037ea1460496d8b0e7ef529ae0ee7e0178b91af

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\33a4409e3bf9997f8284d13249f246a9c59624730f812c7cb1812804bbf210a2Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/624-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/624-56-0x0000000000000000-mapping.dmp

Download
memory/1036-61-0x0000000000000000-mapping.dmp

Download
memory/1036-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1672-54-0x00000000763C1000-0x00000000763C3000-memory.dmp

Filesize
8KB

Download
memory/1672-67-0x0000000000400000-0x0000000000CEF000-memory.dmp

Filesize
8.9MB

Download
memory/1672-68-0x0000000000270000-0x000000000029E000-memory.dmp

Filesize
184KB

Download
memory/1672-69-0x0000000000270000-0x000000000029E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads