ramnit | b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca

General

Target

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe
Size

12.0MB
MD5

88183a8b7c718a3a19ca2d08f1db15f6
SHA1

453329cf420869f15188f60687b754ca72cb39bf
SHA256

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca
SHA512

5d0533284d28c866952aaeab775b348edf1850d4e56ba26cf9d3c662cc48e4dbd3d045e9209f7b00160184c4d36623be9c8274adb81ea7d3ffb941ca200a01e4
SSDEEP

196608:YQFNk9DsJ4mcdeFdLAiqolsWoVsOamIuevvPdxWaXvncJVdiY/WAtZ5UT4yS2DlD:YQzb5cdeF+ify1kPDRXCmWTYFB3odE

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:

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exeDesktopLayer.exe

pid process

1692 b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
2932 DesktopLayer.exe

pid	process
1692	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
2932	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe	upx
behavioral2/memory/1692-142-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2932-148-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2932-151-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 4 IoCs

Processes:

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe

pid	process
1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe
1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe
1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe
1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe

Drops file in Program Files directory 3 IoCs

Processes:

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px1D9A.tmp	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "957085536"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "957085536"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{507B0CA7-6B97-11ED-BF5F-66300FA194E6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998436"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018326"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998436"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe
2932	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

808 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

808 iexplore.exe
808 iexplore.exe
1364 IEXPLORE.EXE
1364 IEXPLORE.EXE
1364 IEXPLORE.EXE
1364 IEXPLORE.EXE

pid	process
808	iexplore.exe

pid	process
808	iexplore.exe
808	iexplore.exe
1364	IEXPLORE.EXE
1364	IEXPLORE.EXE
1364	IEXPLORE.EXE
1364	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exeb1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1720 wrote to memory of 1692	1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
PID 1720 wrote to memory of 1692	1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
PID 1720 wrote to memory of 1692	1720	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
PID 1692 wrote to memory of 2932	1692	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe	DesktopLayer.exe
PID 1692 wrote to memory of 2932	1692	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe	DesktopLayer.exe
PID 1692 wrote to memory of 2932	1692	b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe	DesktopLayer.exe
PID 2932 wrote to memory of 808	2932	DesktopLayer.exe	iexplore.exe
PID 2932 wrote to memory of 808	2932	DesktopLayer.exe	iexplore.exe
PID 808 wrote to memory of 1364	808	iexplore.exe	IEXPLORE.EXE
PID 808 wrote to memory of 1364	808	iexplore.exe	IEXPLORE.EXE
PID 808 wrote to memory of 1364	808	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe
"C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eeca.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1692

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:2932

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:808 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

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\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\b1a347e1c0dd5e8d0db125df421ae6cda95b1f38ff96ca332f74d6e4cb10eecaSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst1CD0.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst1CD0.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst1CD0.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst1CD0.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/1692-142-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1692-139-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1692-144-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1692-133-0x0000000000000000-mapping.dmp

Download
memory/1720-135-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1720-143-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1720-137-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2932-145-0x0000000000000000-mapping.dmp

Download
memory/2932-148-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2932-149-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/2932-150-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/2932-151-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads