ramnit | c641a8d24354b0ed3cf3d21c21e8c6f58d969a667985f829edebbadcf84f32ec

Resubmissions

16-06-2022 11:45

220616-nwzzqahca6 10

16-06-2022 02:20

220616-cswmcafehr 10

Analysis

max time kernel
113s
max time network
151s
platform
windows7_x64
resource
win7-20220414-en
submitted
16-06-2022 02:20

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General

Target

FTPSet.exe
Size

272KB
MD5

cd92ea901263b421bc4a45eae91b9272
SHA1

f5cecd22c4648121b356d3c0c991129479f00726
SHA256

5704a43364e711e80ab09c935b2075fef4c6e54738df7f7bed0f4289386405f4
SHA512

43e777d0b57b77062c8bfa1e0daa1626707b71854cd57fb2bcca4a09053b64491d1ec5e4fab80b0514af6f1daac58610d439e35d32bb71dd0806b378506b1528

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:

FTPSetSrv.exeDesktopLayer.exe

pid process

1184 FTPSetSrv.exe
752 DesktopLayer.exe

pid	process
1184	FTPSetSrv.exe
752	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1184-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/752-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

FTPSet.exeFTPSetSrv.exe

pid process

960 FTPSet.exe
1184 FTPSetSrv.exe

pid	process
960	FTPSet.exe
1184	FTPSetSrv.exe

Drops file in Program Files directory 3 IoCs

Processes:

FTPSetSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px48E3.tmp	FTPSetSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	FTPSetSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	FTPSetSrv.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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362118267"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C3E53D81-ED2B-11EC-BD51-FABB0CD78C51} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

752 DesktopLayer.exe
752 DesktopLayer.exe
752 DesktopLayer.exe
752 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2008 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

FTPSet.exeiexplore.exeIEXPLORE.EXE

pid process

960 FTPSet.exe
960 FTPSet.exe
2008 iexplore.exe
2008 iexplore.exe
524 IEXPLORE.EXE
524 IEXPLORE.EXE
524 IEXPLORE.EXE
524 IEXPLORE.EXE

pid	process
752	DesktopLayer.exe
752	DesktopLayer.exe
752	DesktopLayer.exe
752	DesktopLayer.exe

pid	process
2008	iexplore.exe

pid	process
960	FTPSet.exe
960	FTPSet.exe
2008	iexplore.exe
2008	iexplore.exe
524	IEXPLORE.EXE
524	IEXPLORE.EXE
524	IEXPLORE.EXE
524	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

FTPSet.exeFTPSetSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 960 wrote to memory of 1184	960	FTPSet.exe	FTPSetSrv.exe
PID 960 wrote to memory of 1184	960	FTPSet.exe	FTPSetSrv.exe
PID 960 wrote to memory of 1184	960	FTPSet.exe	FTPSetSrv.exe
PID 960 wrote to memory of 1184	960	FTPSet.exe	FTPSetSrv.exe
PID 1184 wrote to memory of 752	1184	FTPSetSrv.exe	DesktopLayer.exe
PID 1184 wrote to memory of 752	1184	FTPSetSrv.exe	DesktopLayer.exe
PID 1184 wrote to memory of 752	1184	FTPSetSrv.exe	DesktopLayer.exe
PID 1184 wrote to memory of 752	1184	FTPSetSrv.exe	DesktopLayer.exe
PID 752 wrote to memory of 2008	752	DesktopLayer.exe	iexplore.exe
PID 752 wrote to memory of 2008	752	DesktopLayer.exe	iexplore.exe
PID 752 wrote to memory of 2008	752	DesktopLayer.exe	iexplore.exe
PID 752 wrote to memory of 2008	752	DesktopLayer.exe	iexplore.exe
PID 2008 wrote to memory of 524	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 524	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 524	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 524	2008	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\FTPSet.exe
"C:\Users\Admin\AppData\Local\Temp\FTPSet.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1184

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:752

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:2008

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\T64BJVL1.txt
Filesize
607B

MD5
e55434a81158fb470bbe646855f2dd97

SHA1
93a359ab5aced7f3fba541a60337f9e5fdc1b4da

SHA256
74d1c0f332da698a399518ec7ab22640ac0a342504d61b60bd17e358add1c618

SHA512
4a39d32e5fe326665111a8ec7a5a764e0e9e55009643e4e796b5a42c0ecf959da9d2cc6595d97709418c336f92121ae1286072b38432ff7435caf4288ab74b0c

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/752-61-0x0000000000000000-mapping.dmp

Download
memory/752-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/960-68-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/960-67-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/960-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/960-69-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/960-70-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/960-71-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/960-72-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/1184-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1184-56-0x0000000000000000-mapping.dmp

Download