ramnit | 619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617

General

Target

619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
Size

300KB
MD5

1348fa630e5a091570bc97a38a2dd870
SHA1

9c4c531d719f9fcc95f662b67da748a20a7cb57f
SHA256

619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617
SHA512

cfe63a3acec60647ddcc6436a27b773d71c62bbbf54fc17205c49f61484379fedc2ba965bdad5e8d86d43d97116061bb98b3e4ef7a834b595b639279df495e78
SSDEEP

6144:I2sFizBZhdVXzt2Yg++pakzc9Dr1PaoWPM:I2sF4hdZZzgxpatrkg

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
4004	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe
5044	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bdf-3.dat	upx
behavioral2/memory/4004-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4004-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5044-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5044-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5044-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxABA1.tmp	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.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	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3880832271"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443796206"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3876926187"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156243"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{12B2CDC0-D407-11EF-9361-CEB9D96D8528} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156243"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe
5044	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
5056	iexplore.exe
5056	iexplore.exe
3828	IEXPLORE.EXE
3828	IEXPLORE.EXE
3828	IEXPLORE.EXE
3828	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 4004	3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe	82
PID 3356 wrote to memory of 4004	3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe	82
PID 3356 wrote to memory of 4004	3356	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe	82
PID 4004 wrote to memory of 5044	4004	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe	83
PID 4004 wrote to memory of 5044	4004	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe	83
PID 4004 wrote to memory of 5044	4004	619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe	83
PID 5044 wrote to memory of 5056	5044	DesktopLayer.exe	84
PID 5044 wrote to memory of 5056	5044	DesktopLayer.exe	84
PID 5056 wrote to memory of 3828	5056	iexplore.exe	85
PID 5056 wrote to memory of 3828	5056	iexplore.exe	85
PID 5056 wrote to memory of 3828	5056	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe
"C:\Users\Admin\AppData\Local\Temp\619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe
  C:\Users\Admin\AppData\Local\Temp\619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4004
- - 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:5044
  - - 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:5056
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3828

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
eec6845b257a7c8f95b25485b3666ae4

SHA1
79e6f675b80bc885bda844e766088a62d84ded75

SHA256
70a3cfb8ce21db27ecfb8143c459eda8218c5f7a0db0945c3117cbf5c180eb6d

SHA512
b6ceaabb99fb2011f9dd6ae4b59e3435c397204fcd4b3168e65d6616a85d49d13f80cd11a191e223609538d4f144103757f730c61acd21f4053bb5ecb6fb4f1f

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

Filesize
404B

MD5
864d6c25fa6fae35c2d55ad13dc63987

SHA1
abf3babbd27a9534a103172412402cbd1da9df4d

SHA256
a412a36b48c80cf1e8b36c7e7ae71adca9c72e5e63217d8c280a1e79dc1e7602

SHA512
4f4f05ed72e2725ad593b04a7cf1ce3f449685e03499288e9123d04c64a8490b628075a580c4decd0cac69c2fc1cb2fd7f994744d0f94f8d242700f8f1e9252b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\619f25fa562336da61209013ed4f53d83b4ab3b518ca94c961a99c2d4bcc0617Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3356-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3356-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4004-6-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/4004-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4004-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-14-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/5044-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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