ramnit | 21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e

Analysis

max time kernel
116s
max time network
160s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:30

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General

Target

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
Size

2.2MB
MD5

dd5383741cdcc478c4d456b7b97a7071
SHA1

c2e6d0d75b411cf049e2460d178d0b7d52db542e
SHA256

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e
SHA512

494c38097c0f2b9aa8d0a2cca8bd31d665c1542262b39c53ea16eb4d544a1c4393d6d23e7e6844fedde24d782c74646d4c96e8f3cb081cea50170c7fed325f34
SSDEEP

49152:WkyfyD2phLtaAGcoaNKIayOzRk2c4HthamUYw7rfo8bhJGDU:oDLQA8AONk18haLL3VVJQU

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:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exeDesktopLayer.exe

pid process

1952 21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
1940 DesktopLayer.exe

pid	process
1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
1940	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\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1952-65-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1940-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

pid	process
1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe

Drops file in Program Files directory 3 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px7ADB.tmp	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{AD9C9011-6B97-11ED-A923-6651945CA213} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018460"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1940 DesktopLayer.exe
1940 DesktopLayer.exe
1940 DesktopLayer.exe
1940 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1148 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1148 iexplore.exe
1148 iexplore.exe
1736 IEXPLORE.EXE
1736 IEXPLORE.EXE
1736 IEXPLORE.EXE
1736 IEXPLORE.EXE

pid	process
1940	DesktopLayer.exe
1940	DesktopLayer.exe
1940	DesktopLayer.exe
1940	DesktopLayer.exe

pid	process
1148	iexplore.exe

pid	process
1148	iexplore.exe
1148	iexplore.exe
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1992 wrote to memory of 1952	1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1992 wrote to memory of 1952	1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1992 wrote to memory of 1952	1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1992 wrote to memory of 1952	1992	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1952 wrote to memory of 1940	1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 1952 wrote to memory of 1940	1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 1952 wrote to memory of 1940	1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 1952 wrote to memory of 1940	1952	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 1940 wrote to memory of 1148	1940	DesktopLayer.exe	iexplore.exe
PID 1940 wrote to memory of 1148	1940	DesktopLayer.exe	iexplore.exe
PID 1940 wrote to memory of 1148	1940	DesktopLayer.exe	iexplore.exe
PID 1940 wrote to memory of 1148	1940	DesktopLayer.exe	iexplore.exe
PID 1148 wrote to memory of 1736	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1736	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1736	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1736	1148	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
"C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1952

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:1940

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:1148

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1148 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1736

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\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\F46N2VED.txt
Filesize
606B

MD5
88e3f929ee6fe7e7132618d4f19e34b5

SHA1
b07e8c34f9fe2045cb7e8c61d094133657ac5b52

SHA256
5e8d1de0da30aa9833c717c5b189ab92e8e90530b74229e002fb04ad0400c9b8

SHA512
7a3275142e48ec2bc253ff74e2345b7c9c9e2dbe1b53e87de25b795b4d6fd3d43759bff471b0f45f96beae9048475884f6e09f97ef90b2e8a50f82ca614daddb

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\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\nst7A50.tmp\ButtonLinker.dll
Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
\Users\Admin\AppData\Local\Temp\nst7A50.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
\Users\Admin\AppData\Local\Temp\nst7A50.tmp\System.dll
Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/1940-63-0x0000000000000000-mapping.dmp

Download
memory/1940-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1952-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1952-57-0x0000000000000000-mapping.dmp

Download
memory/1992-69-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1992-70-0x0000000001C50000-0x0000000001C7E000-memory.dmp

Filesize
184KB

Download
memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1992-72-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1992-73-0x0000000001C50000-0x0000000001C7E000-memory.dmp

Filesize
184KB

Download