ramnit | c9b86805c3b1c09b6657814229ea23d0a467311e7d8ed9245f64de48d0585e9e

Analysis

max time kernel
104s
max time network
150s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 02:37

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General

Target

c9b86805c3b1c09b6657814229ea23d0a467311e7d8ed9245f64de48d0585e9e.dll
Size

700KB
MD5

925c58c0a52e093fc5de3c6853f53ea5
SHA1

f3029ba9f1aabf9df1fc77a1e6daaaaa21f4a67b
SHA256

c9b86805c3b1c09b6657814229ea23d0a467311e7d8ed9245f64de48d0585e9e
SHA512

b23b6f96ff52fe9b673a33ea2e584e7343dd4834b8d295b7a99e25a91fb56affb3269958846cc4344b45bed29b3d7b8c8840933f3d93225d089e1d6114d64879
SSDEEP

12288:30ywjWtUO+Oke04VGUl6vhOiue+bhPrRx4vSZqB7Y0lnMyC2+EUFn+g13DsVF:sCwsdPJyC290N3AVF

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
2044	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000005c51-56.dat	upx
behavioral1/files/0x0008000000005c51-59.dat	upx
behavioral1/files/0x0008000000005c51-57.dat	upx
behavioral1/memory/2044-66-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2044-67-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1160	rundll32.exe
1160	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
2028	1160	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 53 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{89AC6561-5853-11ED-9201-42465D836E7B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{89AC3E51-5853-11ED-9201-42465D836E7B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373900115"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
884	iexplore.exe
1152	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1152	iexplore.exe
884	iexplore.exe
884	iexplore.exe
1152	iexplore.exe
892	IEXPLORE.EXE
892	IEXPLORE.EXE
1556	IEXPLORE.EXE
1556	IEXPLORE.EXE
1556	IEXPLORE.EXE
1556	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1292 wrote to memory of 1160	1292	rundll32.exe	27
PID 1160 wrote to memory of 2044	1160	rundll32.exe	28
PID 1160 wrote to memory of 2044	1160	rundll32.exe	28
PID 1160 wrote to memory of 2044	1160	rundll32.exe	28
PID 1160 wrote to memory of 2044	1160	rundll32.exe	28
PID 1160 wrote to memory of 2028	1160	rundll32.exe	29
PID 1160 wrote to memory of 2028	1160	rundll32.exe	29
PID 1160 wrote to memory of 2028	1160	rundll32.exe	29
PID 1160 wrote to memory of 2028	1160	rundll32.exe	29
PID 2044 wrote to memory of 1152	2044	rundll32mgr.exe	30
PID 2044 wrote to memory of 1152	2044	rundll32mgr.exe	30
PID 2044 wrote to memory of 1152	2044	rundll32mgr.exe	30
PID 2044 wrote to memory of 1152	2044	rundll32mgr.exe	30
PID 2044 wrote to memory of 884	2044	rundll32mgr.exe	31
PID 2044 wrote to memory of 884	2044	rundll32mgr.exe	31
PID 2044 wrote to memory of 884	2044	rundll32mgr.exe	31
PID 2044 wrote to memory of 884	2044	rundll32mgr.exe	31
PID 1152 wrote to memory of 892	1152	iexplore.exe	34
PID 1152 wrote to memory of 892	1152	iexplore.exe	34
PID 1152 wrote to memory of 892	1152	iexplore.exe	34
PID 1152 wrote to memory of 892	1152	iexplore.exe	34
PID 884 wrote to memory of 1556	884	iexplore.exe	33
PID 884 wrote to memory of 1556	884	iexplore.exe	33
PID 884 wrote to memory of 1556	884	iexplore.exe	33
PID 884 wrote to memory of 1556	884	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9b86805c3b1c09b6657814229ea23d0a467311e7d8ed9245f64de48d0585e9e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9b86805c3b1c09b6657814229ea23d0a467311e7d8ed9245f64de48d0585e9e.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1160
- - 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:2044
  - - 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:1152
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1152 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:892
  - - 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:884
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:884 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 236
    3⤵
    - Program crash
    PID:2028

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.{89AC3E51-5853-11ED-9201-42465D836E7B}.dat

Filesize
5KB

MD5
144ec0df3256183766e07f0e94403d30

SHA1
31f2a5a56e63be8c873b7a33e64a9762ab863cb1

SHA256
d61e4369c42428f4379413ca9ba64105c10e2a3a262c2aeaee49fe7240156ef6

SHA512
493a6f97631534b43de00e50cab7632f522a1f6474b85cbc0a748be521be3f66f1488d9e3fcc4dd92636c519262e8889c6ad935aac8d2bd11543a62fffb144ed

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{89AC6561-5853-11ED-9201-42465D836E7B}.dat

Filesize
3KB

MD5
3fbf1cd4eb438c167d52fd3e349ebbba

SHA1
9f4592ed8ad9e31db3938e807f203f589e422b49

SHA256
08639837682cbdad78c53df4c46f06eee344a93d8ef375b62e8695463f0c4329

SHA512
55ac884de18f353768e964c4402430ff2aac4862f214ead136f450f063b2783db0dfff06ae6f291888971a6581ab21178be987ac2d7b64f6bdfdde69ac147327

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\P2335IZL.txt

Filesize
535B

MD5
0252e0b44ca9bff75648bcaceed22f1c

SHA1
49cee60bffd5f182c52cd09f83ede9e45846129a

SHA256
933f01a1585b1a0281c50ac6932dc6bf3250db4169d56badc01455681f7d0ca3

SHA512
9350bbc15674a1a7691855dff04d84bf8e565cf066c4700b6548d3fd643d2cf0bbb92e22a0be3f9f81e31c907183692d4b54e23e9fc798eee5289bb9c57db0f3

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

Filesize
73KB

MD5
203eb4711aca4401e653bb584a0b31dd

SHA1
091ff9ce97896b06f516de1d463250d34513c99c

SHA256
803835a33c25abb2d717a257907c1ac31019a8681cd128231b75769907ce8f91

SHA512
1fdf1490a77b94eea7813cd00e766af452be45065b3f34aec4f4831a1573f71ee67e1bbe551b166dd9fefee657c40de67d18ba958ddb3641e5d1e7989706a57d

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
73KB

MD5
203eb4711aca4401e653bb584a0b31dd

SHA1
091ff9ce97896b06f516de1d463250d34513c99c

SHA256
803835a33c25abb2d717a257907c1ac31019a8681cd128231b75769907ce8f91

SHA512
1fdf1490a77b94eea7813cd00e766af452be45065b3f34aec4f4831a1573f71ee67e1bbe551b166dd9fefee657c40de67d18ba958ddb3641e5d1e7989706a57d

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
73KB

MD5
203eb4711aca4401e653bb584a0b31dd

SHA1
091ff9ce97896b06f516de1d463250d34513c99c

SHA256
803835a33c25abb2d717a257907c1ac31019a8681cd128231b75769907ce8f91

SHA512
1fdf1490a77b94eea7813cd00e766af452be45065b3f34aec4f4831a1573f71ee67e1bbe551b166dd9fefee657c40de67d18ba958ddb3641e5d1e7989706a57d

Download Submit
memory/1160-63-0x0000000010000000-0x00000000100B0000-memory.dmp

Filesize
704KB

Download
memory/1160-54-0x0000000000000000-mapping.dmp

Download
memory/1160-64-0x00000000007F0000-0x0000000000836000-memory.dmp

Filesize
280KB

Download
memory/1160-65-0x00000000007F0000-0x0000000000836000-memory.dmp

Filesize
280KB

Download
memory/1160-55-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/2028-60-0x0000000000000000-mapping.dmp

Download
memory/2044-58-0x0000000000000000-mapping.dmp

Download
memory/2044-66-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2044-67-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download