ramnit | 24b7d682b49cdce81fd7a6f9832a9c634ba2bd14fef7dd43ee92797d1def4f54

Analysis

max time kernel
46s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 06:28

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General

Target

599efaa8ae4f37beda54f57b98b09da0.dll
Size

456KB
MD5

599efaa8ae4f37beda54f57b98b09da0
SHA1

140022bf32af7d27896d8e85af3c42d49ae4b5da
SHA256

24b7d682b49cdce81fd7a6f9832a9c634ba2bd14fef7dd43ee92797d1def4f54
SHA512

aa70e5cbb83e79c75abe557dd57c6504969744f39398fb32089a0b61857c69bf46d983e4ada2ead80a2a6a1d7149431c3804a423e354cac0afaace92fa6ab2f3
SSDEEP

6144:J4TmSt9uNNtXlD2K0Hp/59dB9SzH2xLBzWjKEyS4X1OGTUX7x8A3u:xYQtXlD2N7SD2xF0BY1DTUX7x8A3

Score

10^/10

ramnit banker spyware stealer trojan 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
696	Pdf4513
3628	Pdf4513

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 696 set thread context of 3628	696	Pdf4513	97

Program crash 2 IoCs

pid	pid_target	Process
3228	3752	WerFault.exe
2724	4980	WerFault.exe

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EB56CD6C-AC31-11EE-8184-524326B4BB5C} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3218459894"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3218459894"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080510"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080510"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3628	Pdf4513
Token: SeDebugPrivilege	3628	Pdf4513

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE
3220	IEXPLORE.EXE
3220	IEXPLORE.EXE
3220	IEXPLORE.EXE
3220	IEXPLORE.EXE
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE
232	IEXPLORE.EXE
232	IEXPLORE.EXE
232	IEXPLORE.EXE
232	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1036	1996	rundll32.exe	88
PID 1996 wrote to memory of 1036	1996	rundll32.exe	88
PID 1996 wrote to memory of 1036	1996	rundll32.exe	88
PID 1036 wrote to memory of 696	1036	rundll32.exe	92
PID 1036 wrote to memory of 696	1036	rundll32.exe	92
PID 1036 wrote to memory of 696	1036	rundll32.exe	92
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 696 wrote to memory of 3628	696	Pdf4513	97
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 3752	3628	Pdf4513	96
PID 3628 wrote to memory of 2500	3628	Pdf4513	105
PID 3628 wrote to memory of 2500	3628	Pdf4513	105
PID 3628 wrote to memory of 2500	3628	Pdf4513	105
PID 2500 wrote to memory of 2276	2500	iexplore.exe	106
PID 2500 wrote to memory of 2276	2500	iexplore.exe	106
PID 2276 wrote to memory of 3220	2276	IEXPLORE.EXE	107
PID 2276 wrote to memory of 3220	2276	IEXPLORE.EXE	107
PID 2276 wrote to memory of 3220	2276	IEXPLORE.EXE	107
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 4980	3628	Pdf4513	110
PID 3628 wrote to memory of 2768	3628	Pdf4513	114
PID 3628 wrote to memory of 2768	3628	Pdf4513	114
PID 3628 wrote to memory of 2768	3628	Pdf4513	114
PID 2768 wrote to memory of 3872	2768	iexplore.exe	113
PID 2768 wrote to memory of 3872	2768	iexplore.exe	113
PID 2276 wrote to memory of 232	2276	IEXPLORE.EXE	112
PID 2276 wrote to memory of 232	2276	IEXPLORE.EXE	112
PID 2276 wrote to memory of 232	2276	IEXPLORE.EXE	112

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\599efaa8ae4f37beda54f57b98b09da0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\599efaa8ae4f37beda54f57b98b09da0.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Users\Admin\AppData\Local\Temp\Pdf4513
    "Pdf4513"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:696
  - - C:\Users\Admin\AppData\Local\Temp\Pdf4513
      "C:\Users\Admin\AppData\Local\Temp\Pdf4513"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3628
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2500
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2276
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2276 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3220
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2276 CREDAT:17416 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:232
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:4980
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2768
    - - C:\Users\Admin\AppData\Local\Temp\pqbvqbaajejohers.exe
        
        "C:\Users\Admin\AppData\Local\Temp\pqbvqbaajejohers.exe"
        5⤵
        
        PID:4224
      - C:\Users\Admin\AppData\Local\Temp\pqbvqbaajejohers.exe
        
        "C:\Users\Admin\AppData\Local\Temp\pqbvqbaajejohers.exe"
        6⤵
        
        PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3752 -ip 3752
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 84
1⤵
- Program crash
PID:3228

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
1⤵
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 208
1⤵
- Program crash
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4980 -ip 4980
1⤵
PID:548

C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
1⤵
- Modifies Internet Explorer settings
PID:3872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\VersionManager\ver51C.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9ALL181V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Pdf4513

Filesize
95KB

MD5
6fe3c6f9b2dc02cba4d1a5492a768bac

SHA1
c858037abdcf7068cb2382e8281c7123b6ddd02b

SHA256
138722e949348f67a43bc58e40dfc3669e9bac75cf8c6a609fbb5e2330aba5b2

SHA512
6abb0e86fd721bf00b661c42304c9f317dee432db53f547d0b28d0518f2d5ae6c40ee78e42efdd23fcd6ba67bce85a29140b0aa57b5a4b7226425c6cfee0ea55

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

Filesize
100KB

MD5
c43c51d12dab7d81aa13e6a16af1e6d0

SHA1
1fb4751c7831a1c8ceab47bfc869e95e1dd06af5

SHA256
5a388b21e1ec19fd9a99f154cb863b6cc4c5bbefd75c7dd81bf781408e69e2f6

SHA512
7bafb0bf2437232cecbef7c0e0c1cb459db5267a23cb1309dbd3689dce095f92b7875d6921fd123505e9008bb40713f9243525db0da3abc897ec9a010ee33a91

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

Filesize
92KB

MD5
ca1c2d15c1328ba3ead2778915afeed2

SHA1
0a8402524b0ba398229e18641fc0dabb09d60c4d

SHA256
37fd129a1983b56cc2586b6fff9237e745e51a499dab219156cb3c399376427d

SHA512
097b7c977c658004b1eff003c767b9ebadaabdae227cb057e2e9da37a390da63bb91b38327c7289806216fe78754fa7646ab00d2d1b8d024dc0f9c3f81079182

Download Submit
memory/1036-0-0x0000000001520000-0x0000000001521000-memory.dmp

Filesize
4KB

Download
memory/1036-5-0x0000000010000000-0x00000000100B1000-memory.dmp

Filesize
708KB

Download
memory/3628-29-0x0000000077CC2000-0x0000000077CC3000-memory.dmp

Filesize
4KB

Download
memory/3628-28-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-14-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/3628-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-26-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3628-16-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3628-17-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/3628-19-0x0000000077CC2000-0x0000000077CC3000-memory.dmp

Filesize
4KB

Download
memory/3628-13-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3752-21-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/3752-20-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/4124-50-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4124-57-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4124-53-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download