ramnit | 42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae

General

Target

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe
Size

3.2MB
MD5

e3b023bc62fa57bc1c0bc3efb6b67859
SHA1

30cb11f68504456b276dd31cf1bf4b7868176e61
SHA256

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae
SHA512

4f3b0e3b608922e736c5611f360a69407bdc2b01382882bf934dbec28770a81448789d09f3610a9a5fcfb3f66cfd72700672ec2b9e5e4699c0edfb7a1f2880a8
SSDEEP

98304:3DLQA8AONk/6rb5CMMoDc7QIxj8hoVtJQ2:TQFNkElqP/

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:

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exeDesktopLayer.exe

pid process

3952 42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
5116 DesktopLayer.exe

pid	process
3952	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
5116	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\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe	upx
behavioral2/memory/3952-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/5116-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 4 IoCs

Processes:

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe

pid	process
3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe
3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe
3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe
3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe

Drops file in Program Files directory 3 IoCs

Processes:

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px1BA6.tmp	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AE4026EC-6F54-11ED-A0EE-7A46CE8ECE48} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999393"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2194348179"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2194348179"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999393"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376429483"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe
5116	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3772 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3772 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3772 iexplore.exe
3772 iexplore.exe
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE

pid	process
3772	iexplore.exe

pid	process
3772	iexplore.exe

pid	process
3772	iexplore.exe
3772	iexplore.exe
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3248 wrote to memory of 3952	3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
PID 3248 wrote to memory of 3952	3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
PID 3248 wrote to memory of 3952	3248	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
PID 3952 wrote to memory of 5116	3952	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe	DesktopLayer.exe
PID 3952 wrote to memory of 5116	3952	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe	DesktopLayer.exe
PID 3952 wrote to memory of 5116	3952	42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe	DesktopLayer.exe
PID 5116 wrote to memory of 3772	5116	DesktopLayer.exe	iexplore.exe
PID 5116 wrote to memory of 3772	5116	DesktopLayer.exe	iexplore.exe
PID 3772 wrote to memory of 1332	3772	iexplore.exe	IEXPLORE.EXE
PID 3772 wrote to memory of 1332	3772	iexplore.exe	IEXPLORE.EXE
PID 3772 wrote to memory of 1332	3772	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe
"C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4ae.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3248

C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3952

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:5116

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:3772

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3772 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\42a0cb57d66fcdb2f675ae022e51065762e70b4af92b55404a9162acbc65a4aeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss1AFB.tmp\ButtonLinker.dll
Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss1AFB.tmp\ButtonLinker.dll
Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss1AFB.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss1AFB.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/3248-144-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/3952-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3952-133-0x0000000000000000-mapping.dmp

Download
memory/5116-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5116-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads