ramnit | cdf3e15500e26169391fa5e9148c533de8e3d6c6d39977c6ae00902b414db241

General

Target

CrazyMousev1.2.exe
Size

898KB
MD5

0cfb4ed2d6ae182e5caaa06a63b51db0
SHA1

6865e950b27da801092161fecad91425b33b4b46
SHA256

cdf3e15500e26169391fa5e9148c533de8e3d6c6d39977c6ae00902b414db241
SHA512

7e8373f01d6b3141aa56395c6b19ea8c41d131bd69ff9c83f1f3e93173f48fa908c4447b2ae79f3ea9e4b57cad1b8d8b6e62cd27f3066c0b914b2e7874f079b7
SSDEEP

12288:BjgGODTiKS9eaF7SRNbT0DvMW2Txa2lXjvsj/MnT3DyWTE/gXUkmwWMO+mYi0:BgG5Rg33KX2VtXb9L+WTTmTMO+mY1

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2320	CrazyMousev1.2Srv.exe
2972	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023ae9-2.dat	upx
behavioral2/memory/2320-3-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2320-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2972-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2972-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CrazyMousev1.2Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CrazyMousev1.2Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px86B4.tmp	CrazyMousev1.2Srv.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CrazyMousev1.2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CrazyMousev1.2Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159087"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "445017382"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{58510C2E-DF22-11EF-AF27-7A3D33AFF0C4} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "755582744"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159087"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "750582300"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	iexplore.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4532	CrazyMousev1.2.exe
4532	CrazyMousev1.2.exe
4532	CrazyMousev1.2.exe
2760	iexplore.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4532	CrazyMousev1.2.exe
4532	CrazyMousev1.2.exe
4532	CrazyMousev1.2.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2760	iexplore.exe
2760	iexplore.exe
4796	IEXPLORE.EXE
4796	IEXPLORE.EXE
4796	IEXPLORE.EXE
4796	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 2320	4532	CrazyMousev1.2.exe	83
PID 4532 wrote to memory of 2320	4532	CrazyMousev1.2.exe	83
PID 4532 wrote to memory of 2320	4532	CrazyMousev1.2.exe	83
PID 2320 wrote to memory of 2972	2320	CrazyMousev1.2Srv.exe	84
PID 2320 wrote to memory of 2972	2320	CrazyMousev1.2Srv.exe	84
PID 2320 wrote to memory of 2972	2320	CrazyMousev1.2Srv.exe	84
PID 2972 wrote to memory of 2760	2972	DesktopLayer.exe	85
PID 2972 wrote to memory of 2760	2972	DesktopLayer.exe	85
PID 2760 wrote to memory of 4796	2760	iexplore.exe	87
PID 2760 wrote to memory of 4796	2760	iexplore.exe	87
PID 2760 wrote to memory of 4796	2760	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\CrazyMousev1.2.exe
"C:\Users\Admin\AppData\Local\Temp\CrazyMousev1.2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Users\Admin\AppData\Local\Temp\CrazyMousev1.2Srv.exe
  C:\Users\Admin\AppData\Local\Temp\CrazyMousev1.2Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - 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:2760
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2760 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H693S724\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CrazyMousev1.2Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2320-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2320-5-0x0000000000430000-0x000000000043F000-memory.dmp

Filesize
60KB

Download
memory/2320-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2972-12-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/2972-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2972-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4532-21-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-13-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-19-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-20-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-17-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-22-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-23-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-18-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-31-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-32-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-33-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-34-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-35-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-36-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-37-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/4532-38-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download

Analysis

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