ramnit | bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969

General

Target

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe
Size

2.2MB
MD5

e9ec5fe3593e67560f3b0a266f5a4200
SHA1

ca39721d0e9f38a124b6c29f2fe56e5e88787ca8
SHA256

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969
SHA512

b554752556c16dec6b65d5892b7f1e96435612b78219598b9359845d4961c44d473d0c056397c910a5f38704c9c930d28e11698e881b1504133c36122ce9d453
SSDEEP

49152:cogMwPCgRV3um/02cax89sp3Hcx1U0P1mjT0R28U5v77mDSc:epCgb+n2c1qpsx1U5UjjDSc

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

Processes:

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exeDesktopLayer.exe

pid process

676 bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
4340 DesktopLayer.exe

pid	process
676	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
4340	DesktopLayer.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4944-0-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4340-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/676-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4340-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4944-16-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-17-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-18-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-19-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-29-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-30-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-31-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-42-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-43-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-44-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-45-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx
behavioral2/memory/4944-46-0x0000000000400000-0x0000000000B8A000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA8D3.tmp	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.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

Processes:

DesktopLayer.exeIEXPLORE.EXEbb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exebb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D73C8F96-A69C-11EF-A4B7-DA61A5E71E4E} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144617"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144617"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2890414442"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144617"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438802778"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2884945829"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2884945829"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe
4340	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4996 iexplore.exe

pid	process
4996	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exeiexplore.exeIEXPLORE.EXE

pid	process
4944	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe
4996	iexplore.exe
4996	iexplore.exe
2416	IEXPLORE.EXE
2416	IEXPLORE.EXE
2416	IEXPLORE.EXE
2416	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exebb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 4944 wrote to memory of 676	4944	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
PID 4944 wrote to memory of 676	4944	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
PID 4944 wrote to memory of 676	4944	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
PID 676 wrote to memory of 4340	676	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe	DesktopLayer.exe
PID 676 wrote to memory of 4340	676	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe	DesktopLayer.exe
PID 676 wrote to memory of 4340	676	bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe	DesktopLayer.exe
PID 4340 wrote to memory of 4996	4340	DesktopLayer.exe	iexplore.exe
PID 4340 wrote to memory of 4996	4340	DesktopLayer.exe	iexplore.exe
PID 4996 wrote to memory of 2416	4996	iexplore.exe	IEXPLORE.EXE
PID 4996 wrote to memory of 2416	4996	iexplore.exe	IEXPLORE.EXE
PID 4996 wrote to memory of 2416	4996	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe
"C:\Users\Admin\AppData\Local\Temp\bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\bb3947d1770fdbf9bd55fdd5863fb8f04f676b9d196798b0e3bce4014a350969NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:676
- - 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:4340
  - - 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:4996
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4996 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2416

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

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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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
11d14077869dba67110eb7f6cae1b120

SHA1
f05e6bb7204a6e0efff37eedf3447eedc5de7b84

SHA256
d59818a872b22bd33909691c19daaf807ac7042fc6897dea5ba296d02530f39e

SHA512
9b62bb5f3e777e67ce440ca88f81e5e215443ad2c679b076d10a0534e816853340589d8d8e5e36fc53d60efe4dd5c0537e0fdf011064d1f8ff2c2dbffc2c992d

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

Filesize
404B

MD5
e513a2af69664337d2222f815682b5d6

SHA1
f70ca3cfd5c49b7c20e27a1aa18ba85c8dbdf10d

SHA256
1b200e85dc41cb900b2cc891e51890d4df0c6fac2542fd97a925523baba538d6

SHA512
93bf89d6026cbdfefeed00e78b692db0afd49bfcf3f05d9ef73d729f09eba797dac47acf7cb2fc416332b96488527701ecfe8a54f5ae736f422cac1a93f9399e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/676-6-0x0000000000660000-0x000000000066F000-memory.dmp

Filesize
60KB

Download
memory/676-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4340-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4340-12-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/4340-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4944-19-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-0-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-18-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-17-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-29-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-30-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-31-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-16-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-42-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-43-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-44-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-45-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download
memory/4944-46-0x0000000000400000-0x0000000000B8A000-memory.dmp

Filesize
7.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads