ramnit | 510aa84775e90c5a93c79d9e7439716b56300e23c4aa8e5fbd22564418bb71db

General

Target

yymshdsdsdrj_gr/YY???????.exe
Size

9.7MB
MD5

6647a0caa20a9d457ae70b4c6bab01b4
SHA1

13c43500fdbc60412b564f38eab047ab8a2dd544
SHA256

26bd4b545a1433ca69139d0e5362199d4feeece93146f4f4922d35a4feda833d
SHA512

2850d155b481783a9b18167a758a1baec5d773f2ce160045d1bc9d04d748efe5d9f7940a5a6b608f6317f49e0fbc3bcfa8adb60697b29da5335e700790aa10f4

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:

YY_______Srv.exeDesktopLayer.exe

pid process

3936 YY_______Srv.exe
2896 DesktopLayer.exe

pid	process
3936	YY_______Srv.exe
2896	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\yymshdsdsdrj_gr\YY_______Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\yymshdsdsdrj_gr\YY_______Srv.exe	upx
behavioral6/memory/3936-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral6/memory/2896-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Drops file in Program Files directory 3 IoCs

Processes:

YY_______Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px60B3.tmp	YY_______Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	YY_______Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	YY_______Srv.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4432 2852 WerFault.exe YY_______.exe

pid	pid_target	process	target process
4432	2852	WerFault.exe	YY_______.exe

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4E690BDE-06D8-11ED-9991-CAD9F2FA59F2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "364941137"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe
2896	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3596 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3596 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3596 iexplore.exe
3596 iexplore.exe
4512 IEXPLORE.EXE
4512 IEXPLORE.EXE
4512 IEXPLORE.EXE
4512 IEXPLORE.EXE

pid	process
3596	iexplore.exe

pid	process
3596	iexplore.exe

pid	process
3596	iexplore.exe
3596	iexplore.exe
4512	IEXPLORE.EXE
4512	IEXPLORE.EXE
4512	IEXPLORE.EXE
4512	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

YY_______.exeYY_______Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2852 wrote to memory of 3936	2852	YY_______.exe	YY_______Srv.exe
PID 2852 wrote to memory of 3936	2852	YY_______.exe	YY_______Srv.exe
PID 2852 wrote to memory of 3936	2852	YY_______.exe	YY_______Srv.exe
PID 3936 wrote to memory of 2896	3936	YY_______Srv.exe	DesktopLayer.exe
PID 3936 wrote to memory of 2896	3936	YY_______Srv.exe	DesktopLayer.exe
PID 3936 wrote to memory of 2896	3936	YY_______Srv.exe	DesktopLayer.exe
PID 2896 wrote to memory of 3596	2896	DesktopLayer.exe	iexplore.exe
PID 2896 wrote to memory of 3596	2896	DesktopLayer.exe	iexplore.exe
PID 3596 wrote to memory of 4512	3596	iexplore.exe	IEXPLORE.EXE
PID 3596 wrote to memory of 4512	3596	iexplore.exe	IEXPLORE.EXE
PID 3596 wrote to memory of 4512	3596	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\yymshdsdsdrj_gr\YY_______.exe
"C:\Users\Admin\AppData\Local\Temp\yymshdsdsdrj_gr\YY_______.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Temp\yymshdsdsdrj_gr\YY_______Srv.exe
C:\Users\Admin\AppData\Local\Temp\yymshdsdsdrj_gr\YY_______Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3936

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:2896

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:3596

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3596 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 816
2⤵
- Program crash
PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2852 -ip 2852
1⤵
PID:4276

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\Local\Temp\yymshdsdsdrj_gr\YY_______Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2852-130-0x0000000000520000-0x0000000000EDA000-memory.dmp

Filesize
9.7MB

Download
memory/2852-133-0x0000000073960000-0x00000000739E9000-memory.dmp

Filesize
548KB

Download
memory/2852-138-0x0000000060000000-0x00000000600AA000-memory.dmp

Filesize
680KB

Download
memory/2896-135-0x0000000000000000-mapping.dmp

Download
memory/2896-140-0x0000000000540000-0x000000000054F000-memory.dmp

Filesize
60KB

Download
memory/2896-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3936-131-0x0000000000000000-mapping.dmp

Download
memory/3936-137-0x0000000000400000-0x000000000042E000-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