ramnit | d25be99cd52f5d3b4388bbcedeaaeb36a5ea656e771de4474e55ff2fa461c2e6

Analysis

max time kernel
119s
max time network
156s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 07:40

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General

Target

d25be99cd52f5d3b4388bbcedeaaeb36a5ea656e771de4474e55ff2fa461c2e6.dll
Size

348KB
MD5

e94f8a31dccaec0086f370c22ae4c6e0
SHA1

2802a01b8a89e0299c5d3e4bbc70f752094c87a8
SHA256

d25be99cd52f5d3b4388bbcedeaaeb36a5ea656e771de4474e55ff2fa461c2e6
SHA512

af4f8ed59a38dff42d14902718d35fe9e6a64ffdf6a027e19d991776924c1bd8866715442eed1715a4e4bd3757c1ed2fceb4315223d2f7c5a62be38b985e9fb2
SSDEEP

6144:IQb6g1fEi2FSGXbOYvz2+uOpGTIttHUUYTB/tZeXSGxUk1mAjE/FYhfA3u7i3108:IttBEGXKSqEpGTIPdYT9tZeXFxXSydAD

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 1 IoCs

pid	Process
1172	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000005c50-56.dat	upx
behavioral1/files/0x0007000000005c50-57.dat	upx
behavioral1/files/0x0007000000005c50-59.dat	upx
behavioral1/memory/1172-63-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1172-64-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1704	rundll32.exe
1704	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1856	1704	WerFault.exe	26

Modifies Internet Explorer settings 1 TTPs 53 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376577186"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8E5FDB71-70AC-11ED-8B0A-7A3897842414} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8E5FB461-70AC-11ED-8B0A-7A3897842414} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe
1172	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1116	iexplore.exe
1780	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1780	iexplore.exe
1780	iexplore.exe
1116	iexplore.exe
1116	iexplore.exe
2040	IEXPLORE.EXE
1636	IEXPLORE.EXE
1636	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1928 wrote to memory of 1704	1928	rundll32.exe	26
PID 1704 wrote to memory of 1172	1704	rundll32.exe	27
PID 1704 wrote to memory of 1172	1704	rundll32.exe	27
PID 1704 wrote to memory of 1172	1704	rundll32.exe	27
PID 1704 wrote to memory of 1172	1704	rundll32.exe	27
PID 1704 wrote to memory of 1856	1704	rundll32.exe	28
PID 1704 wrote to memory of 1856	1704	rundll32.exe	28
PID 1704 wrote to memory of 1856	1704	rundll32.exe	28
PID 1704 wrote to memory of 1856	1704	rundll32.exe	28
PID 1172 wrote to memory of 1780	1172	rundll32mgr.exe	29
PID 1172 wrote to memory of 1780	1172	rundll32mgr.exe	29
PID 1172 wrote to memory of 1780	1172	rundll32mgr.exe	29
PID 1172 wrote to memory of 1780	1172	rundll32mgr.exe	29
PID 1172 wrote to memory of 1116	1172	rundll32mgr.exe	30
PID 1172 wrote to memory of 1116	1172	rundll32mgr.exe	30
PID 1172 wrote to memory of 1116	1172	rundll32mgr.exe	30
PID 1172 wrote to memory of 1116	1172	rundll32mgr.exe	30
PID 1780 wrote to memory of 1636	1780	iexplore.exe	33
PID 1116 wrote to memory of 2040	1116	iexplore.exe	32
PID 1780 wrote to memory of 1636	1780	iexplore.exe	33
PID 1780 wrote to memory of 1636	1780	iexplore.exe	33
PID 1780 wrote to memory of 1636	1780	iexplore.exe	33
PID 1116 wrote to memory of 2040	1116	iexplore.exe	32
PID 1116 wrote to memory of 2040	1116	iexplore.exe	32
PID 1116 wrote to memory of 2040	1116	iexplore.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d25be99cd52f5d3b4388bbcedeaaeb36a5ea656e771de4474e55ff2fa461c2e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d25be99cd52f5d3b4388bbcedeaaeb36a5ea656e771de4474e55ff2fa461c2e6.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1172
  - - 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:1780
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1780 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1636
  - - 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:1116
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1116 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 228
    3⤵
    - Program crash
    PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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\Internet Explorer\Recovery\High\Active\RecoveryStore.{8E5FB461-70AC-11ED-8B0A-7A3897842414}.dat

Filesize
3KB

MD5
c769898b9c783e80145afb714c339c8c

SHA1
8dbab055242f18695081e73c53a0c29ed9b4b3da

SHA256
4ef62d6306f2dc7984c73351feef00b13e74111a3a525b2a5095f1011db84910

SHA512
785838f54239b35bb42bee0fa009054427b5ddea00df43c443546168ab734a82797938bf62c350875b402f0610ca9983b6e549e16818942cdf96faeed1eb489e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8E5FDB71-70AC-11ED-8B0A-7A3897842414}.dat

Filesize
4KB

MD5
74cb4f81cb19cec4a231d399509de614

SHA1
15f42bf52536b64a4b9d2cd9912a559187c1f2a5

SHA256
7724b58975bc3ce3397bfb752ec0c209bff0de47eb3c8d3c17fdd304105c6b10

SHA512
c2ab87ce2523be9a4d4fa0228887765079ade2c69b722e18d66723c0d28406472d1a487341603ccec758f3483f77b6d3a0edf523ea6ef8c3d5be5427f6b02981

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\UE2OZQMV.txt

Filesize
606B

MD5
3a9333fc508f9574dff21c3fca0570f5

SHA1
e340b818937ad1c5471aa32a8c49ddbd5c6a1b56

SHA256
9f1751b37a6254dd6500b47244d81e6569f7979af78ebbcc7fa937fa97f16913

SHA512
b11670ecf6cd7f61597b4128450f5c1f2ab74f8bfdd28d4e652d9ee8209eca1be15e9cff90bc7c1215d1974709559262c5b621b0c8e8dc3d9e8014ef98a0cd8e

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
99KB

MD5
f3873258a4258a6761dc54d47463182f

SHA1
fbbf8bca739ca4e9745e5224662b33b437a52461

SHA256
63b02a3e8e7e049d1f29cd4cd79fe5c8905754da6c023df72aa5cca351d0d5c5

SHA512
eec16bb41fd05d9acd5d2b17eb5218057c3cd97cd706e0782a64eb2c32f8a57f1206fe0268be7f37a9f1c3f7b8eb09767cf2724951eaee4be03c4d509d4b3dd4

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
99KB

MD5
f3873258a4258a6761dc54d47463182f

SHA1
fbbf8bca739ca4e9745e5224662b33b437a52461

SHA256
63b02a3e8e7e049d1f29cd4cd79fe5c8905754da6c023df72aa5cca351d0d5c5

SHA512
eec16bb41fd05d9acd5d2b17eb5218057c3cd97cd706e0782a64eb2c32f8a57f1206fe0268be7f37a9f1c3f7b8eb09767cf2724951eaee4be03c4d509d4b3dd4

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
99KB

MD5
f3873258a4258a6761dc54d47463182f

SHA1
fbbf8bca739ca4e9745e5224662b33b437a52461

SHA256
63b02a3e8e7e049d1f29cd4cd79fe5c8905754da6c023df72aa5cca351d0d5c5

SHA512
eec16bb41fd05d9acd5d2b17eb5218057c3cd97cd706e0782a64eb2c32f8a57f1206fe0268be7f37a9f1c3f7b8eb09767cf2724951eaee4be03c4d509d4b3dd4

Download Submit
memory/1172-63-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-64-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-61-0x0000000040000000-0x0000000040057000-memory.dmp

Filesize
348KB

Download
memory/1704-62-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-55-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download