ramnit | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

General

Target

download.exe
Size

55KB
MD5

ff5e1f27193ce51eec318714ef038bef
SHA1

b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256

fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512

c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP

1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY

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 1 IoCs

Processes:

DesktopLayer.exe

pid process

2052 DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1944-133-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1944-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2052-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

download.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3A9.tmp	download.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	download.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	download.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DABB9410-ED1F-11ED-9F77-62A6D96D5571} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31031596"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3017040984"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3017040984"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31031596"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "390260649"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe
2052	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4128 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4128 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4128 iexplore.exe
4128 iexplore.exe
4976 IEXPLORE.EXE
4976 IEXPLORE.EXE
4976 IEXPLORE.EXE
4976 IEXPLORE.EXE

pid	process
4128	iexplore.exe

pid	process
4128	iexplore.exe

pid	process
4128	iexplore.exe
4128	iexplore.exe
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

download.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1944 wrote to memory of 2052	1944	download.exe	DesktopLayer.exe
PID 1944 wrote to memory of 2052	1944	download.exe	DesktopLayer.exe
PID 1944 wrote to memory of 2052	1944	download.exe	DesktopLayer.exe
PID 2052 wrote to memory of 4128	2052	DesktopLayer.exe	iexplore.exe
PID 2052 wrote to memory of 4128	2052	DesktopLayer.exe	iexplore.exe
PID 4128 wrote to memory of 4976	4128	iexplore.exe	IEXPLORE.EXE
PID 4128 wrote to memory of 4976	4128	iexplore.exe	IEXPLORE.EXE
PID 4128 wrote to memory of 4976	4128	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\download.exe
"C:\Users\Admin\AppData\Local\Temp\download.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1944

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2052

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4128 CREDAT:17410 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4976

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
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
14c5e436db29ac7db9301c7374ade89b

SHA1
1edbc68541a9f7fcee30b0128b50e8ff551a4a04

SHA256
3aa77b97fbf0ad97b71967f6324c99f34217026515d4d6583af5705c514e89d5

SHA512
16214d49c04a0bef7165ba36f98262d78b1600bb4afdf82f004d04f302692f28c3bfe457be36da5fc62c7a27a8b3d94073d2d8069a3aa506cd40f85574e4724a

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

MD5
1b9006a6a36c74950dd1740b1c7de1d3

SHA1
7fa75af323b5bcbc6c7e9ac424ff14d8b20195fa

SHA256
c9f04b58fba497e16362a7e865fd743f64e5a59bc7967c2c1043cd03d0938ac5

SHA512
09287158e8d3e4482eb3cd7818a1fdc361a300800604b08d0d6714326ff413e0b7d4cdb8f708c7321c57307047c16229ad604928948c40c82a3d10fb196b5dad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA009.tmp
Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1944-133-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1944-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2052-139-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2052-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads