ramnit | 40364afd6375d116623d1f932c865efcb41b1b9658c3e7276e594ae229cb16d8

General

Target

SuperDebug.exe
Size

851KB
MD5

91c86d309860a56ce80e9a493a224e00
SHA1

2305910467169ce81251e5806eb8630cf1adfec4
SHA256

c97f87fa5056c992abdb21babd803d117432b0e9cc9fc3126005497c29628ac9
SHA512

064d552a6e78003828767e40db49efdd69093dfea00b58dc353eaa23f57c871bc86fc36089d0f98d9bc7e9c7086310122c3d873084c8261f55bfe2c9e7671ad2
SSDEEP

12288:6eOYmHyNYLoQAUHBXNszSDaIQhkutlzpoGzzcUotHD3pZfavKPluH25izhm:6ePmHyNYLoQAUHBXNjJshDEPH7hcKi

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
2852	SuperDebugSrv.exe
4036	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000600000001e7c9-4.dat	upx
behavioral2/memory/2852-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2852-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4036-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4036-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC649.tmp	SuperDebugSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	SuperDebugSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	SuperDebugSrv.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DCFCA274-A8D9-11EE-B6AD-DE9D3A49EF0E} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2888450815"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079654"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2888450815"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079654"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410901425"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe
4036	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
448	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
448	iexplore.exe
448	iexplore.exe
4856	IEXPLORE.EXE
4856	IEXPLORE.EXE
4856	IEXPLORE.EXE
4856	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 2852	4744	SuperDebug.exe	94
PID 4744 wrote to memory of 2852	4744	SuperDebug.exe	94
PID 4744 wrote to memory of 2852	4744	SuperDebug.exe	94
PID 2852 wrote to memory of 4036	2852	SuperDebugSrv.exe	95
PID 2852 wrote to memory of 4036	2852	SuperDebugSrv.exe	95
PID 2852 wrote to memory of 4036	2852	SuperDebugSrv.exe	95
PID 4036 wrote to memory of 448	4036	DesktopLayer.exe	96
PID 4036 wrote to memory of 448	4036	DesktopLayer.exe	96
PID 448 wrote to memory of 4856	448	iexplore.exe	97
PID 448 wrote to memory of 4856	448	iexplore.exe	97
PID 448 wrote to memory of 4856	448	iexplore.exe	97

C:\Users\Admin\AppData\Local\Temp\SuperDebug.exe
"C:\Users\Admin\AppData\Local\Temp\SuperDebug.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\SuperDebugSrv.exe
  C:\Users\Admin\AppData\Local\Temp\SuperDebugSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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:4036
  - - 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:448
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:448 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\L3T8W3B4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2852-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2852-6-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/2852-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4036-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4036-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4036-15-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4036-16-0x00000000775D2000-0x00000000775D3000-memory.dmp

Filesize
4KB

Download
memory/4744-20-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-28-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-19-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/4744-0-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-21-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-22-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/4744-23-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-17-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-29-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-30-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-31-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-32-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-33-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-34-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-35-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/4744-1-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download

Analysis

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