ramnit | ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82

Reason

Machine shutdown

General

Target

ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
Size

1.1MB
MD5

477e0a0b095713dc9f38e65e2842cd83
SHA1

677c8ba9a314ed70bee73c57955b4de1edb54c67
SHA256

ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82
SHA512

ebf2571b2b9898bd0c1a12dbd34eca58ce8d89bf3bf54ae35e06a31aade262ea9c1c81f31c3ac6a369eff710d7c87bb84c573abe3dec7c8e31527e6ade30e29e
SSDEEP

24576:lKnxgrmT26nNwmlH2YmiXFKZTXQ6NmCGjhbdhV:sAmTDnK+2YmiXgZTrqbdhV

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 4 IoCs

pid	Process
1356	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
2072	DesktopLayer.exe
3224	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bc5-3.dat	upx
behavioral2/memory/1356-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1356-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2072-23-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3596-29-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3596-33-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2072-28-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9F8C.tmp	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9F1E.tmp	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe

Modifies Internet Explorer settings 1 TTPs 14 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D0CD1B89-D88D-11EF-B9D5-468C69F2ED48} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "5"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
2072	DesktopLayer.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3224	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2112	iexplore.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2112	iexplore.exe
2112	iexplore.exe
4260	IEXPLORE.EXE
4260	IEXPLORE.EXE
4876	LogonUI.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 1356	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	82
PID 3592 wrote to memory of 1356	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	82
PID 3592 wrote to memory of 1356	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	82
PID 1356 wrote to memory of 2072	1356	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe	84
PID 1356 wrote to memory of 2072	1356	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe	84
PID 1356 wrote to memory of 2072	1356	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe	84
PID 3592 wrote to memory of 3224	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	83
PID 3592 wrote to memory of 3224	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	83
PID 3592 wrote to memory of 3224	3592	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	83
PID 3224 wrote to memory of 3596	3224	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	85
PID 3224 wrote to memory of 3596	3224	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	85
PID 3224 wrote to memory of 3596	3224	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe	85
PID 2072 wrote to memory of 5052	2072	DesktopLayer.exe	86
PID 2072 wrote to memory of 5052	2072	DesktopLayer.exe	86
PID 3596 wrote to memory of 2112	3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe	87
PID 3596 wrote to memory of 2112	3596	ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe	87
PID 2112 wrote to memory of 4260	2112	iexplore.exe	88
PID 2112 wrote to memory of 4260	2112	iexplore.exe	88
PID 2112 wrote to memory of 4260	2112	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
"C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
  C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1356
- - 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:2072
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:5052
- C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe
  C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe /q"C:\Users\Admin\AppData\Local\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe" /tempdisk1folder"C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}" /IS_temp
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
    C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3596
  - - 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:2112
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2112 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4260

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39a4855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4876

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\Temp\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\{1139FC7A-FD78-4E46-93D1-32911D1BC801}\ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82.exe

Filesize
1.1MB

MD5
477e0a0b095713dc9f38e65e2842cd83

SHA1
677c8ba9a314ed70bee73c57955b4de1edb54c67

SHA256
ab1cef6b84b0d87e1e830d23b8b2449aede977ef541ab9631ca73aa0fa548e82

SHA512
ebf2571b2b9898bd0c1a12dbd34eca58ce8d89bf3bf54ae35e06a31aade262ea9c1c81f31c3ac6a369eff710d7c87bb84c573abe3dec7c8e31527e6ade30e29e

Download Submit
memory/1356-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1356-5-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1356-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2072-28-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2072-21-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/2072-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3224-25-0x0000000000A90000-0x0000000000BB2000-memory.dmp

Filesize
1.1MB

Download
memory/3224-37-0x0000000000A90000-0x0000000000BB2000-memory.dmp

Filesize
1.1MB

Download
memory/3224-40-0x0000000000A90000-0x0000000000BB2000-memory.dmp

Filesize
1.1MB

Download
memory/3592-32-0x0000000000150000-0x0000000000272000-memory.dmp

Filesize
1.1MB

Download
memory/3592-0-0x0000000000150000-0x0000000000272000-memory.dmp

Filesize
1.1MB

Download
memory/3592-36-0x0000000000150000-0x0000000000272000-memory.dmp

Filesize
1.1MB

Download
memory/3596-29-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3596-33-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3596-31-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors