ramnit | 389f063995cc9bb52d421746c6cf55586917efdd361309064894c512b82d8a04

General

Target

389f063995cc9bb52d421746c6cf55586917efdd361309064894c512b82d8a04.dll
Size

444KB
MD5

ce4526b5e0560ed85355d5eef9e2a9b6
SHA1

c749bf4a91483b174c3597723f6f45b04f16433c
SHA256

389f063995cc9bb52d421746c6cf55586917efdd361309064894c512b82d8a04
SHA512

594851da40de36daf54ad828907b59692a339e09fc20a132331f6202d9f36c7998171068b2585fb8ceba0a57dad649ebcf8959debdfc8afaccd3ae4fe71938af
SSDEEP

12288:/ehnaNPpSVZmNxRCwnwm3W3OHIIf5lOkSDZy:/eh0PpS6NxNnwYeOHXH+DZy

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 2 IoCs

Processes:

rundll32Srv.exeDesktopLayer.exe

pid process

4100 rundll32Srv.exe
2320 DesktopLayer.exe

pid	process
4100	rundll32Srv.exe
2320	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral2/memory/4100-137-0x0000000000400000-0x000000000042F000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4100-141-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/memory/2320-142-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px321C.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

316 4792 WerFault.exe rundll32.exe

pid	pid_target	process	target process
316	4792	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3998901461"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376433094"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{19E02687-6F5D-11ED-AECB-D2D0017C8629} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999401"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999401"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999401"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3998901461"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4028588117"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe
2320	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2020 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2020 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2020 iexplore.exe
2020 iexplore.exe
2916 IEXPLORE.EXE
2916 IEXPLORE.EXE
2916 IEXPLORE.EXE
2916 IEXPLORE.EXE

pid	process
2020	iexplore.exe

pid	process
2020	iexplore.exe

pid	process
2020	iexplore.exe
2020	iexplore.exe
2916	IEXPLORE.EXE
2916	IEXPLORE.EXE
2916	IEXPLORE.EXE
2916	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 4800 wrote to memory of 4792	4800	rundll32.exe	rundll32.exe
PID 4800 wrote to memory of 4792	4800	rundll32.exe	rundll32.exe
PID 4800 wrote to memory of 4792	4800	rundll32.exe	rundll32.exe
PID 4792 wrote to memory of 4100	4792	rundll32.exe	rundll32Srv.exe
PID 4792 wrote to memory of 4100	4792	rundll32.exe	rundll32Srv.exe
PID 4792 wrote to memory of 4100	4792	rundll32.exe	rundll32Srv.exe
PID 4100 wrote to memory of 2320	4100	rundll32Srv.exe	DesktopLayer.exe
PID 4100 wrote to memory of 2320	4100	rundll32Srv.exe	DesktopLayer.exe
PID 4100 wrote to memory of 2320	4100	rundll32Srv.exe	DesktopLayer.exe
PID 2320 wrote to memory of 2020	2320	DesktopLayer.exe	iexplore.exe
PID 2320 wrote to memory of 2020	2320	DesktopLayer.exe	iexplore.exe
PID 2020 wrote to memory of 2916	2020	iexplore.exe	IEXPLORE.EXE
PID 2020 wrote to memory of 2916	2020	iexplore.exe	IEXPLORE.EXE
PID 2020 wrote to memory of 2916	2020	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\389f063995cc9bb52d421746c6cf55586917efdd361309064894c512b82d8a04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\389f063995cc9bb52d421746c6cf55586917efdd361309064894c512b82d8a04.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4792

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4100

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2320

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2020 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 608
3⤵
- Program crash
PID:316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4792 -ip 4792
1⤵
PID:4288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
dedb504b3469b24ec0df79c68f5772e2

SHA1
177a8b1045b456316ca32d90aba942bf34774c64

SHA256
e18111fd56db31f02eb16990f0bbc7991a0c80571703281ee66010e229c9f8b0

SHA512
101312fa01991caeaef010d0d21e740244cb3768490a1b82ae12e7524e50b6e7f2e23c08978ac4c373e9013baa0a8f50de8e1994341556b78ecd88ce13df5680

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
434B

MD5
d8826cb9cf6c9d32377b73a5cdf01fec

SHA1
30047ada5872307bb684c3d3b87dbb8eaa82efb7

SHA256
057825ec27546ee57abcac992e7bd29c4b636b761eda4d520301c0c0ad6a99bd

SHA512
36c9f1da1b35e4221874d62d2b190b9a074939db0b9a976b8bf2b9489e398d35f10ce89129d5c620fa3b53785690d1b837112df0a806262a18bd313b21c30a2d

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
memory/2320-138-0x0000000000000000-mapping.dmp

Download
memory/2320-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-137-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-133-0x0000000000000000-mapping.dmp

Download
memory/4792-136-0x0000000010000000-0x0000000010071000-memory.dmp

Filesize
452KB

Download
memory/4792-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads