ramnit | ffa550436f593e2c1e2fd17f866881fbd45025788e7c99949dc0720f3ac2f768

General

Target

ffa550436f593e2c1e2fd17f866881fbd45025788e7c99949dc0720f3ac2f768.dll
Size

204KB
MD5

66a81ee6c73717141168cad5e3ab7937
SHA1

613fe93ae4fa4e45598e1fb167d8b21cc3d0788d
SHA256

ffa550436f593e2c1e2fd17f866881fbd45025788e7c99949dc0720f3ac2f768
SHA512

1191a1460e8768631895ab9a11ed9318439ab96d6f57b10dfc62d82e5eee424e5620487a2093eeaed7e1431672785b02a390e30b8fa395bda98704c770e2b757

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

484 rundll32Srv.exe
632 DesktopLayer.exe

pid	process
484	rundll32Srv.exe
632	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/484-124-0x0000000000400000-0x000000000042E000-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 created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px265A.tmp	rundll32Srv.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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2830327900"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327866344"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327882938"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D4044E6F-B5A6-11EB-A11C-E62B3DD6123B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2830327900"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327914930"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886323"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2837515837"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30886323"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886323"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe
632	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1404 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1404 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1404 iexplore.exe
1404 iexplore.exe
3056 IEXPLORE.EXE
3056 IEXPLORE.EXE
3056 IEXPLORE.EXE
3056 IEXPLORE.EXE

pid	process
1404	iexplore.exe

pid	process
1404	iexplore.exe

pid	process
1404	iexplore.exe
1404	iexplore.exe
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 3220 wrote to memory of 484	3220	rundll32.exe	rundll32Srv.exe
PID 3220 wrote to memory of 484	3220	rundll32.exe	rundll32Srv.exe
PID 3220 wrote to memory of 484	3220	rundll32.exe	rundll32Srv.exe
PID 484 wrote to memory of 632	484	rundll32Srv.exe	DesktopLayer.exe
PID 484 wrote to memory of 632	484	rundll32Srv.exe	DesktopLayer.exe
PID 484 wrote to memory of 632	484	rundll32Srv.exe	DesktopLayer.exe
PID 632 wrote to memory of 1404	632	DesktopLayer.exe	iexplore.exe
PID 632 wrote to memory of 1404	632	DesktopLayer.exe	iexplore.exe
PID 1404 wrote to memory of 3056	1404	iexplore.exe	IEXPLORE.EXE
PID 1404 wrote to memory of 3056	1404	iexplore.exe	IEXPLORE.EXE
PID 1404 wrote to memory of 3056	1404	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa550436f593e2c1e2fd17f866881fbd45025788e7c99949dc0720f3ac2f768.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa550436f593e2c1e2fd17f866881fbd45025788e7c99949dc0720f3ac2f768.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3220

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:484

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:632

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:1404

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1404 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3056

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

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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
a0a5a4d72ad62fd610b043c84033deaf

SHA1
aa5c3deaba3b479e004880b369f63f2b59b23b9a

SHA256
35d20d28885d84fef2a2e06125bf9626fbab13b99d1238a435a444a8db1cb9c6

SHA512
20dd0d4276e854bca2767bd4cf7f04068a23742ff33926a7ba5296d2b0a453d456f37662e443c4df2fc3027bbead658a8ca6f8be40a61c82e3d6085cf85b9243

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
fb9af654164bd8a36d437ff72595c7ab

SHA1
93685ba5f5d2f265057fa40eea8466c2de8400e7

SHA256
683b26f89faac93c1a0fc113402960c9b9d407697ca8d6784e86b9cbee0d67fd

SHA512
4202ecbc051bd392382d1b0a211b9a6798a3dddbae150a5f75f39cc73ec60fe71aa3fc63d76fd7b68eebc71f857d5550bb2bb5baf444d0a48896dfd6e88c21d7

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\CXL8VB35.cookie
MD5
c7c9f817126bb1c54cd62a35d235d105

SHA1
e864cdb84ffcb84f0013dcd95867e817417136e2

SHA256
f9bde141295bd6715c963c9ae8641bbfa01d6567cf407e7c2186737febc50b00

SHA512
7c1d2f4ca8544ed128534f71265b9e769e572ce3602ad47a0945cc16b8f1101190e4a63915e9a00a36762caa58cdd33c3876b5fa20266354f173d4aaed37df35

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\IFYM3H37.cookie
MD5
fbcc949dd0222f85d0441c3c466cd494

SHA1
804771b2aaa22bf1b8fee520d759765cdf2b24d6

SHA256
275382b2ebcfc950054acfab2c9c826b23d06c094d539bdb796d7e3b5955abeb

SHA512
e5d38d85d6744675101d6f7c85731d0a5c75a962dc439c1d648977bdf3d066a405bdab23a6f1b0f0af11072e84090a2578e9bd9f08116be1934882c3dabde8c1

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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/484-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/484-123-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/484-115-0x0000000000000000-mapping.dmp

Download
memory/632-121-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/632-118-0x0000000000000000-mapping.dmp

Download
memory/1404-122-0x0000000000000000-mapping.dmp

Download
memory/1404-127-0x00007FF88D9B0000-0x00007FF88DA1B000-memory.dmp

Filesize
428KB

Download
memory/3056-128-0x0000000000000000-mapping.dmp

Download
memory/3220-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads