ramnit | 92dbc60ec97369b8f53fcf9d68f9d52de62f58657660ecf5cab8175b50fc3410

Analysis

max time kernel
152s
max time network
190s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 12:15

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General

Target

92dbc60ec97369b8f53fcf9d68f9d52de62f58657660ecf5cab8175b50fc3410.dll
Size

556KB
MD5

bacfa1c655a9ebf327c9194eb30a0db0
SHA1

f1a64a940a8ae2cae04e0e5aa6ba279e681f3cf8
SHA256

92dbc60ec97369b8f53fcf9d68f9d52de62f58657660ecf5cab8175b50fc3410
SHA512

5ee217db9299771327e94c467dfda713524385de98d2dedc881d2a9b5e6325401bd7fa4fb1e1989c901fe78df019abdf7da93e1ab79c070a29c168af910f953c
SSDEEP

12288:5ehnaNPpSVZmNxRCwnwm3W3OHIIf5433xnk7tfJ9:5eh0PpS6NxNnwYeOHX23BuJJ9

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
764	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012333-56.dat	upx
behavioral1/files/0x000b000000012333-57.dat	upx
behavioral1/files/0x000b000000012333-59.dat	upx
behavioral1/memory/764-60-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/764-63-0x0000000000400000-0x000000000046E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
904	rundll32.exe
904	rundll32.exe

Drops file in System32 directory 1 IoCs

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

Modifies Internet Explorer settings 1 TTPs 55 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377100903"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{EBE89F81-756F-11ED-AE55-6A950B37D0A0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{EBEB00E1-756F-11ED-AE55-6A950B37D0A0} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe
764	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2024	iexplore.exe
2028	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2028	iexplore.exe
2028	iexplore.exe
2024	iexplore.exe
2024	iexplore.exe
596	IEXPLORE.EXE
596	IEXPLORE.EXE
1056	IEXPLORE.EXE
1056	IEXPLORE.EXE
596	IEXPLORE.EXE
596	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 944 wrote to memory of 904	944	rundll32.exe	28
PID 904 wrote to memory of 764	904	rundll32.exe	29
PID 904 wrote to memory of 764	904	rundll32.exe	29
PID 904 wrote to memory of 764	904	rundll32.exe	29
PID 904 wrote to memory of 764	904	rundll32.exe	29
PID 764 wrote to memory of 2024	764	rundll32mgr.exe	30
PID 764 wrote to memory of 2024	764	rundll32mgr.exe	30
PID 764 wrote to memory of 2024	764	rundll32mgr.exe	30
PID 764 wrote to memory of 2024	764	rundll32mgr.exe	30
PID 764 wrote to memory of 2028	764	rundll32mgr.exe	31
PID 764 wrote to memory of 2028	764	rundll32mgr.exe	31
PID 764 wrote to memory of 2028	764	rundll32mgr.exe	31
PID 764 wrote to memory of 2028	764	rundll32mgr.exe	31
PID 2028 wrote to memory of 1056	2028	iexplore.exe	33
PID 2024 wrote to memory of 596	2024	iexplore.exe	34
PID 2024 wrote to memory of 596	2024	iexplore.exe	34
PID 2024 wrote to memory of 596	2024	iexplore.exe	34
PID 2024 wrote to memory of 596	2024	iexplore.exe	34
PID 2028 wrote to memory of 1056	2028	iexplore.exe	33
PID 2028 wrote to memory of 1056	2028	iexplore.exe	33
PID 2028 wrote to memory of 1056	2028	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\92dbc60ec97369b8f53fcf9d68f9d52de62f58657660ecf5cab8175b50fc3410.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\92dbc60ec97369b8f53fcf9d68f9d52de62f58657660ecf5cab8175b50fc3410.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:904
- - 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:764
  - - 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:2024
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:596
  - - 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:2028
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1056

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
a6b9dd36a48bdfdfe9a86305a56aaa4a

SHA1
e8f96776e76824b812c4be0c2f56acc8130c169e

SHA256
bde4f9f508192b8c71eaf96376608d971281205b50e38a740b2a05981ef5f5a6

SHA512
29035ad815369bd9097e241e7f752c54ad5521a6f0b28c970528ea2f43498596b5c46af93b3a9d2ce509dfa5754f582c57912d833e5779e1f7ed4d6a22e642e9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EBE89F81-756F-11ED-AE55-6A950B37D0A0}.dat

Filesize
4KB

MD5
fbd84c615db604aab90904fa6aac80cc

SHA1
cbb1ba5964d6f69c4f9d2e646baf2c6968fa91a0

SHA256
9b8c24f6d5b22caad6899bf58e21da5e957afb7a38c2765807886611b384bc05

SHA512
d96ba34b221fd10ca077e000ebc5acdfd42e5acf1e2a47f8a21e4908694ca99ee490fd25c0aed216b9e9d776a1e14f6bef79d37f53f1d557b55b6e8c6d60edfa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EBEB00E1-756F-11ED-AE55-6A950B37D0A0}.dat

Filesize
3KB

MD5
4170c1c70867afe364e271dbf87ac58c

SHA1
d1f61f23e425f6469e00d572937718fc6b9cb86d

SHA256
f3619b59c700c989874f8aa1b46fd6f23fad846f71cce451a2caa08a6836b246

SHA512
b49c40357efc982c70cba0ced9a76d42fcf720cba5af8254d4d91f3eeeffbfb593c82bdf1e102179e89f79d6481c3a2dbc4b1d61dd8dd71dade2be47042734c5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\E0XK0187.txt

Filesize
601B

MD5
f13d60ed22aeef91df475c419ee9bdd5

SHA1
eb58d5e6452b05b0a280a26b204e64bfbd91282c

SHA256
c21c91701fbdbd79e48368ec28719429998f137c808ec9240be8c1bb0b0d9515

SHA512
d6bdd40cbf440d434cfaf69ae9069badaa9f843cb242f0427f4601f5bed4669737e86d575a8f30e101906eda008b3e138fb0400c6e3079ccf1f0fe21b132beec

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

Filesize
171KB

MD5
9d974a4a25bb580835ecf77e9bb75e77

SHA1
2743ede3c4832b7ca5ea5d1a320c269dc9eaa13e

SHA256
75b792ef1e1aed47ad12db96a2748187eb154c826d0046bc4cbc37c245d34ed5

SHA512
1a07160b1e8e9cf136c0445b534611f42b8d1f1313ebd77ebb493a4cf9506db855831007bc5f994e63e6218ef64bb897c6badb626f2fe2ba49ce7c5f98abcd86

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
171KB

MD5
9d974a4a25bb580835ecf77e9bb75e77

SHA1
2743ede3c4832b7ca5ea5d1a320c269dc9eaa13e

SHA256
75b792ef1e1aed47ad12db96a2748187eb154c826d0046bc4cbc37c245d34ed5

SHA512
1a07160b1e8e9cf136c0445b534611f42b8d1f1313ebd77ebb493a4cf9506db855831007bc5f994e63e6218ef64bb897c6badb626f2fe2ba49ce7c5f98abcd86

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
171KB

MD5
9d974a4a25bb580835ecf77e9bb75e77

SHA1
2743ede3c4832b7ca5ea5d1a320c269dc9eaa13e

SHA256
75b792ef1e1aed47ad12db96a2748187eb154c826d0046bc4cbc37c245d34ed5

SHA512
1a07160b1e8e9cf136c0445b534611f42b8d1f1313ebd77ebb493a4cf9506db855831007bc5f994e63e6218ef64bb897c6badb626f2fe2ba49ce7c5f98abcd86

Download Submit
memory/764-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/764-63-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/904-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download