ramnit | 3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c

General

Target

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe
Size

3.2MB
MD5

b9282692990cda5d599200a66fe97c64
SHA1

9fcc302182d8c9d0111e90caca88ed6a3c64d7c5
SHA256

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c
SHA512

ddeb1c8e206109dd83b8c0f81508bce049e2eecdfc65e106b7931089d4f7be78936ee4091f40949c61fdb9ee208bd534f657d7add5038cda4c591ac05d2ea770

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 3 IoCs

Processes:

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exeDesktopLayer.exeInstallDeleteFile.exe

pid process

5108 3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
1256 DesktopLayer.exe
4308 InstallDeleteFile.exe

pid	process
5108	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
1256	DesktopLayer.exe
4308	InstallDeleteFile.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\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe	upx
behavioral2/memory/5108-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1256-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Drops file in Program Files directory 3 IoCs

Processes:

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px645C.tmp	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe

Drops file in Windows directory 2 IoCs

Processes:

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe

description	ioc	process
File created	C:\Windows\wsap.dll	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe
File created	C:\Windows\InstallDeleteFile.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363601497"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "657120187"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30969526"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{35285DBE-FAA9-11EC-B274-4A14660C3739} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "657120187"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30969526"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2064 iexplore.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

648
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2064 iexplore.exe

pid	process
2064	iexplore.exe

pid	process
648

pid	process
2064	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exeiexplore.exeIEXPLORE.EXE

pid	process
1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe
2064	iexplore.exe
2064	iexplore.exe
2544	IEXPLORE.EXE
2544	IEXPLORE.EXE
2544	IEXPLORE.EXE
2544	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1380 wrote to memory of 5108	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
PID 1380 wrote to memory of 5108	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
PID 1380 wrote to memory of 5108	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
PID 5108 wrote to memory of 1256	5108	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe	DesktopLayer.exe
PID 5108 wrote to memory of 1256	5108	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe	DesktopLayer.exe
PID 5108 wrote to memory of 1256	5108	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe	DesktopLayer.exe
PID 1256 wrote to memory of 2064	1256	DesktopLayer.exe	iexplore.exe
PID 1256 wrote to memory of 2064	1256	DesktopLayer.exe	iexplore.exe
PID 1380 wrote to memory of 4308	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	InstallDeleteFile.exe
PID 1380 wrote to memory of 4308	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	InstallDeleteFile.exe
PID 1380 wrote to memory of 4308	1380	3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe	InstallDeleteFile.exe
PID 2064 wrote to memory of 2544	2064	iexplore.exe	IEXPLORE.EXE
PID 2064 wrote to memory of 2544	2064	iexplore.exe	IEXPLORE.EXE
PID 2064 wrote to memory of 2544	2064	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe
"C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5108

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:1256

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:2064

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2544

C:\Windows\InstallDeleteFile.exe
C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34c.exe
2⤵
- Executes dropped EXE
PID:4308

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\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3caa4a80674a9861c9a07a2c634e76c108bed7735ae1ecca35cba72062d3c34cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\InstallDeleteFile.exe
Filesize
44KB

MD5
705d68f498d5f31c921b1133acd0ecaf

SHA1
f0a4913560077895fcdf27fdcef0321b7951e6d7

SHA256
f360ce7a7952092789eb40b416ea07f63d224a98834743ab04bcb57bb35d7819

SHA512
d4759e77a7b509b75114db8b4ddc0ac9b04f90bb4a6a2699e023c9f4bb94438cc37f1dc71ac0442c60ca55a67696bf80ccf1e5f60edfc6670f10d40adfe700b4

Download Submit
C:\Windows\InstallDeleteFile.exe
Filesize
44KB

MD5
705d68f498d5f31c921b1133acd0ecaf

SHA1
f0a4913560077895fcdf27fdcef0321b7951e6d7

SHA256
f360ce7a7952092789eb40b416ea07f63d224a98834743ab04bcb57bb35d7819

SHA512
d4759e77a7b509b75114db8b4ddc0ac9b04f90bb4a6a2699e023c9f4bb94438cc37f1dc71ac0442c60ca55a67696bf80ccf1e5f60edfc6670f10d40adfe700b4

Download Submit
memory/1256-133-0x0000000000000000-mapping.dmp

Download
memory/1256-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1380-136-0x00000000002B0000-0x00000000005EF000-memory.dmp

Filesize
3.2MB

Download
memory/1380-142-0x00000000002B0000-0x00000000005EF000-memory.dmp

Filesize
3.2MB

Download
memory/4308-140-0x0000000000000000-mapping.dmp

Download
memory/5108-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5108-139-0x0000000000430000-0x000000000043F000-memory.dmp

Filesize
60KB

Download
memory/5108-130-0x0000000000000000-mapping.dmp

Download
memory/5108-144-0x0000000000430000-0x000000000043F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads