ramnit | 7a9db98e3ce855d605078de19c1028f1ed8e3aef072baeeb7a076bd8c71cbefa

General

Target

7a9db98e3ce855d605078de19c1028f1ed8e3aef072baeeb7a076bd8c71cbefa.dll
Size

682KB
MD5

e50b2527ab2b0d169ef6b282d9f0e85f
SHA1

fd9114624dbc720b1c8bd4e7165b6babf09a64f6
SHA256

7a9db98e3ce855d605078de19c1028f1ed8e3aef072baeeb7a076bd8c71cbefa
SHA512

e7288e3fc5f287cfbf98318606e520033d279f1dea4e42e388a6c34d60c3f368fcd8e0a461c4b11ba97d14f1fef31cfd907f305f6017f807a94eee525f5ddd15

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

3760 rundll32Srv.exe
3276 DesktopLayer.exe

pid	process
3760	rundll32Srv.exe
3276	DesktopLayer.exe

UPX packed file 5 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
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/3760-124-0x0000000000400000-0x000000000042E000-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\pxB972.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

584 1532 WerFault.exe rundll32.exe

pid	pid_target	process	target process
584	1532	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4134217752"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327530183"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327546777"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4134217752"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30885540"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4182655859"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327578768"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{21002026-B298-11EB-B2DB-C237398C17BD} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30885540"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30885540"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
3276	DesktopLayer.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 584 WerFault.exe
Token: SeBackupPrivilege 584 WerFault.exe
Token: SeDebugPrivilege 584 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2704 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2704 iexplore.exe
2704 iexplore.exe
184 IEXPLORE.EXE
184 IEXPLORE.EXE

description	pid	process
Token: SeRestorePrivilege	584	WerFault.exe
Token: SeBackupPrivilege	584	WerFault.exe
Token: SeDebugPrivilege	584	WerFault.exe

pid	process
2704	iexplore.exe

pid	process
2704	iexplore.exe
2704	iexplore.exe
184	IEXPLORE.EXE
184	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 852 wrote to memory of 1532	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1532	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1532	852	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 3760	1532	rundll32.exe	rundll32Srv.exe
PID 1532 wrote to memory of 3760	1532	rundll32.exe	rundll32Srv.exe
PID 1532 wrote to memory of 3760	1532	rundll32.exe	rundll32Srv.exe
PID 3760 wrote to memory of 3276	3760	rundll32Srv.exe	DesktopLayer.exe
PID 3760 wrote to memory of 3276	3760	rundll32Srv.exe	DesktopLayer.exe
PID 3760 wrote to memory of 3276	3760	rundll32Srv.exe	DesktopLayer.exe
PID 3276 wrote to memory of 2704	3276	DesktopLayer.exe	iexplore.exe
PID 3276 wrote to memory of 2704	3276	DesktopLayer.exe	iexplore.exe
PID 2704 wrote to memory of 184	2704	iexplore.exe	IEXPLORE.EXE
PID 2704 wrote to memory of 184	2704	iexplore.exe	IEXPLORE.EXE
PID 2704 wrote to memory of 184	2704	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a9db98e3ce855d605078de19c1028f1ed8e3aef072baeeb7a076bd8c71cbefa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a9db98e3ce855d605078de19c1028f1ed8e3aef072baeeb7a076bd8c71cbefa.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1532

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:3760

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:3276

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2704 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
06165dea77d5d10217992bd74f065006

SHA1
964d97611d8050aaf7d8a3a5e641cd20df6afd92

SHA256
9b125647f3ede14fa37214fe956f3b906f8bf58510bdc1eecfdf2ca4c827fe8f

SHA512
e126e1fdd45d2b08c37724b568a1ee9eef95895f2c31f5626186032293eb7f2a62f907fea96f1f0fca4c7de3cd9bac45df28bb69d42b2cd7ea5468e1aefdfee2

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
8dfeaed4a874790dec3c4bdeb6d152f9

SHA1
24259fe3b6c6abdb71f41004f439eacf5a297d33

SHA256
44b2553bd27b387db347dc6afddf4b71fbf9154f77eda663c20947ec27173116

SHA512
8163ef556af2674388994ddfd2d4aa6e64e89db5bcfc1fb46cb6efddab8fcdbac2f6064d05acb40acf1cbe30a3f728a0213bf04f00f6cac27aa1440cfa70358f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\5IKUKB89.cookie
MD5
9008c1f120791f9d2d93e11e3721378c

SHA1
b74c98177f9bebf1f3d19f87cb9c70c4d9883155

SHA256
09c52ffb738c2cf5751f4c53d86352789d9791845b42e880f7d454f4a1525016

SHA512
6f962a2c7b069e634e9f9711d6471df2688274d1eaf4c9b7ca2c282cd30401b437049835d9d92a6fea5fe86f0e1a0d8de88cc261c341c4495679d57bfdacf50b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\DDW2HAU7.cookie
MD5
a5a6cbced514f1da589f71cbe672d3c5

SHA1
cea4cd6da8d0a91e53f0418df2a62b848ca29de3

SHA256
a042e701ef95a6db518022d20ab13776c3f660c763cf60cc613d46873499fb6e

SHA512
c8fc84bc7fb2065d4e63b7be48ebffdd5c8d1a369f9c7e55f8804d857ad1d890ff25c0f6d5dbd647ea4b8f3d404105d67c8d8e5cd783f4a079b5fde4031c0a21

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C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/184-128-0x0000000000000000-mapping.dmp

Download
memory/1532-114-0x0000000000000000-mapping.dmp

Download
memory/2704-122-0x0000000000000000-mapping.dmp

Download
memory/2704-127-0x00007FFD4DDC0000-0x00007FFD4DE2B000-memory.dmp

Filesize
428KB

Download
memory/3276-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3276-118-0x0000000000000000-mapping.dmp

Download
memory/3760-123-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/3760-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3760-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads