ramnit | c641a8d24354b0ed3cf3d21c21e8c6f58d969a667985f829edebbadcf84f32ec

Resubmissions

16-06-2022 11:45

220616-nwzzqahca6 10

16-06-2022 02:20

220616-cswmcafehr 10

Analysis

max time kernel
93s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-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

724 FTPSetSrv.exe
1544 DesktopLayer.exe

pid	process
724	FTPSetSrv.exe
1544	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/724-136-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1544-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Drops file in Program Files directory 3 IoCs

Processes:

FTPSetSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA82B.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
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3769948406"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0C337A29-ED1B-11EC-AD90-764D0E3E719A} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30966055"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3769948406"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3781199024"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30966055"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30966055"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362111072"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2620 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2620 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

FTPSet.exeiexplore.exeIEXPLORE.EXE

pid process

3768 FTPSet.exe
3768 FTPSet.exe
2620 iexplore.exe
2620 iexplore.exe
4604 IEXPLORE.EXE
4604 IEXPLORE.EXE
4604 IEXPLORE.EXE
4604 IEXPLORE.EXE

pid	process
2620	iexplore.exe

pid	process
2620	iexplore.exe

pid	process
3768	FTPSet.exe
3768	FTPSet.exe
2620	iexplore.exe
2620	iexplore.exe
4604	IEXPLORE.EXE
4604	IEXPLORE.EXE
4604	IEXPLORE.EXE
4604	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

FTPSet.exeFTPSetSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3768 wrote to memory of 724	3768	FTPSet.exe	FTPSetSrv.exe
PID 3768 wrote to memory of 724	3768	FTPSet.exe	FTPSetSrv.exe
PID 3768 wrote to memory of 724	3768	FTPSet.exe	FTPSetSrv.exe
PID 724 wrote to memory of 1544	724	FTPSetSrv.exe	DesktopLayer.exe
PID 724 wrote to memory of 1544	724	FTPSetSrv.exe	DesktopLayer.exe
PID 724 wrote to memory of 1544	724	FTPSetSrv.exe	DesktopLayer.exe
PID 1544 wrote to memory of 2620	1544	DesktopLayer.exe	iexplore.exe
PID 1544 wrote to memory of 2620	1544	DesktopLayer.exe	iexplore.exe
PID 2620 wrote to memory of 4604	2620	iexplore.exe	IEXPLORE.EXE
PID 2620 wrote to memory of 4604	2620	iexplore.exe	IEXPLORE.EXE
PID 2620 wrote to memory of 4604	2620	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\FTPSet.exe
"C:\Users\Admin\AppData\Local\Temp\FTPSet.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3768

C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
C:\Users\Admin\AppData\Local\Temp\FTPSetSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:724

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:1544

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2620 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4604

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
253626de057b0d04c41cb8a08245fcbe

SHA1
ffcb46236625dc17807021f8fe706efda9970958

SHA256
75b3965bbb50f8e182b84896c7496cc36b3710b95bf607734a2dae8c40588989

SHA512
6bab75dea365fe30bc00ac7d53db9d9876929ad2f7576d9090fdd5a3950f2e98b46edd573f3c5c8ab2ccaaab9c4c2e36cc515fa6419b7931a4a9e8b2b44e3113

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

MD5
56afa1575738940c81ea0fe2cae7804d

SHA1
01960a86dbf481c592fe3a44a30f026668d4d521

SHA256
e9a0c1e251a3373327d26c0d968ea8bd28f13d2d12d7b0edbff516f06163aaa1

SHA512
896e8b81d9b3109dac069c2dce7637a6cecfa60cd824bc96aba87a46dcdfe26270d061f9f0ff729ec07079d41b53cc48a3fad08eeaafa0b824809ac2a76e10b4

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
memory/724-131-0x0000000000000000-mapping.dmp

Download
memory/724-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1544-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1544-134-0x0000000000000000-mapping.dmp

Download
memory/3768-139-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3768-140-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3768-130-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download