ramnit | f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106

Analysis

max time kernel
106s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:24

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General

Target

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe
Size

16.1MB
MD5

b8b53b6ffea9b27c7e655889ea9c1f54
SHA1

db68a508d2a5a1840d7b82c8eb58efbabe4650d4
SHA256

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106
SHA512

7d51d0d7166e1e5b0be1bd5654283998e521f369b3a5f97dd66edfcebe34244425a15d9372570f0ea7aa1434ed01635cff251a2c0439850e4cb02ce1e005c4f0
SSDEEP

393216:NQzI2VmfKNkLWqSRyOB3yrjZ1aPq7w4f8GS2R0SNpaB:NQzBVmfKNhRyOBoNYy7wN6N8B

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:

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exeDesktopLayer.exe

pid process

884 f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
1892 DesktopLayer.exe

pid	process
884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
1892	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/884-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1892-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exef3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe

pid	process
1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe
1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe
1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe
884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe

Drops file in Program Files directory 3 IoCs

Processes:

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px2637.tmp	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.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 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018190"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{10765E61-6B97-11ED-A6C3-FE72C9E2D9C9} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1892 DesktopLayer.exe
1892 DesktopLayer.exe
1892 DesktopLayer.exe
1892 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1868 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1868 iexplore.exe
1868 iexplore.exe
1764 IEXPLORE.EXE
1764 IEXPLORE.EXE
1764 IEXPLORE.EXE
1764 IEXPLORE.EXE

pid	process
1892	DesktopLayer.exe
1892	DesktopLayer.exe
1892	DesktopLayer.exe
1892	DesktopLayer.exe

pid	process
1868	iexplore.exe

pid	process
1868	iexplore.exe
1868	iexplore.exe
1764	IEXPLORE.EXE
1764	IEXPLORE.EXE
1764	IEXPLORE.EXE
1764	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exef3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1176 wrote to memory of 884	1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
PID 1176 wrote to memory of 884	1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
PID 1176 wrote to memory of 884	1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
PID 1176 wrote to memory of 884	1176	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
PID 884 wrote to memory of 1892	884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	DesktopLayer.exe
PID 884 wrote to memory of 1892	884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	DesktopLayer.exe
PID 884 wrote to memory of 1892	884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	DesktopLayer.exe
PID 884 wrote to memory of 1892	884	f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe	DesktopLayer.exe
PID 1892 wrote to memory of 1868	1892	DesktopLayer.exe	iexplore.exe
PID 1892 wrote to memory of 1868	1892	DesktopLayer.exe	iexplore.exe
PID 1892 wrote to memory of 1868	1892	DesktopLayer.exe	iexplore.exe
PID 1892 wrote to memory of 1868	1892	DesktopLayer.exe	iexplore.exe
PID 1868 wrote to memory of 1764	1868	iexplore.exe	IEXPLORE.EXE
PID 1868 wrote to memory of 1764	1868	iexplore.exe	IEXPLORE.EXE
PID 1868 wrote to memory of 1764	1868	iexplore.exe	IEXPLORE.EXE
PID 1868 wrote to memory of 1764	1868	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe
"C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1176

C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:884

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:1892

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:1868

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1868 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\1BSIVI4B.txt
Filesize
607B

MD5
ff30b1e8ae1971ca2ecd582a8258b5d6

SHA1
d96e0e4ae21f04d94cce0deeb16c1c205027686d

SHA256
4db7201513f5ea3dc5230001ca7dbc5955abf5d58ed32d66ec5d80652ca80231

SHA512
ff55970c6e37b38320a751a62f61eea0b2b25f9c4569c8e91cdc9fd95d013dcc23835b70f829df159a5d208fada7d46b3cc47b3824cc83be531cd2fb31ef0092

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\f3850967008433d51d971e1cc953c21ccff2eccf643ce0a9fad16ee75fa7b106Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\nsj25AC.tmp\ButtonLinker.dll
Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj25AC.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
\Users\Admin\AppData\Local\Temp\nsj25AC.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/884-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/884-57-0x0000000000000000-mapping.dmp

Download
memory/1176-69-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1176-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1176-71-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1892-63-0x0000000000000000-mapping.dmp

Download
memory/1892-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download