ramnit | c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574

Analysis

max time kernel
139s
max time network
194s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe
Size

19.0MB
MD5

1e35ad726a3bdfe31f3278d5b3ce765e
SHA1

f2938684fac5cac283c557340b41901a93359210
SHA256

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574
SHA512

4b2a9bb1e404c0500b7d6ac5bd3f9300955db31be44b8c2cf997c233bb09340378c792cc61d4414c232c4ac55e4242b4ab263d820494a317604227ef4b2ded72
SSDEEP

393216:tJNaQzZHhcntedabG9ZJ7cSpbYX0ls0wy/m4RVaL6uLzPkkFV:taQzZqntmab0oSBYXysFf4RVaL6uLtV

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:

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exeDesktopLayer.exe

pid process

1224 c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
1748 DesktopLayer.exe

pid	process
1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
1748	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\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	upx
behavioral1/memory/1224-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1748-72-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exec37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe

pid	process
1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe
1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe
1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe
1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe

Drops file in Program Files directory 3 IoCs

Processes:

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px7205.tmp	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.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 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018334"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{607E0251-6B97-11ED-AB9E-FE63F52BA449} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1748 DesktopLayer.exe
1748 DesktopLayer.exe
1748 DesktopLayer.exe
1748 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

316 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

316 iexplore.exe
316 iexplore.exe
1664 IEXPLORE.EXE
1664 IEXPLORE.EXE
1664 IEXPLORE.EXE
1664 IEXPLORE.EXE

pid	process
1748	DesktopLayer.exe
1748	DesktopLayer.exe
1748	DesktopLayer.exe
1748	DesktopLayer.exe

pid	process
316	iexplore.exe

pid	process
316	iexplore.exe
316	iexplore.exe
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exec37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1280 wrote to memory of 1224	1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
PID 1280 wrote to memory of 1224	1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
PID 1280 wrote to memory of 1224	1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
PID 1280 wrote to memory of 1224	1280	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
PID 1224 wrote to memory of 1748	1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	DesktopLayer.exe
PID 1224 wrote to memory of 1748	1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	DesktopLayer.exe
PID 1224 wrote to memory of 1748	1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	DesktopLayer.exe
PID 1224 wrote to memory of 1748	1224	c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe	DesktopLayer.exe
PID 1748 wrote to memory of 316	1748	DesktopLayer.exe	iexplore.exe
PID 1748 wrote to memory of 316	1748	DesktopLayer.exe	iexplore.exe
PID 1748 wrote to memory of 316	1748	DesktopLayer.exe	iexplore.exe
PID 1748 wrote to memory of 316	1748	DesktopLayer.exe	iexplore.exe
PID 316 wrote to memory of 1664	316	iexplore.exe	IEXPLORE.EXE
PID 316 wrote to memory of 1664	316	iexplore.exe	IEXPLORE.EXE
PID 316 wrote to memory of 1664	316	iexplore.exe	IEXPLORE.EXE
PID 316 wrote to memory of 1664	316	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe
"C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1224

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:1748

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:316

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:316 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\NPSTD1R1.txt

Filesize
608B

MD5
00ebd415d6eaa626f619211b4830507f

SHA1
667dfabaa98b0b4271a10363d809a353a012018b

SHA256
e64864e6fa5be6e0ffa6f76b4f9ba3e617082c6692ffe338ea847247fb6573d3

SHA512
437536eca47a7d5c44368d1dacdabbb33ecd321fd0ef4648282dcf8105a7cc688c6064625834eafbddcc99119c9bcbd8eea538d272e6d617befbd2315bdceff7

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\c37980e95eb2064f2ca3cb1cd8f6652c3bb3f22dddd997e8841710fcc751e574Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\nse6D17.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
\Users\Admin\AppData\Local\Temp\nse6D17.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
\Users\Admin\AppData\Local\Temp\nse6D17.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/1224-65-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1224-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1224-57-0x0000000000000000-mapping.dmp

Download
memory/1280-54-0x0000000074C41000-0x0000000074C43000-memory.dmp

Filesize
8KB

Download
memory/1280-63-0x0000000002C90000-0x0000000002CBE000-memory.dmp

Filesize
184KB

Download
memory/1280-62-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1280-74-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1748-67-0x0000000000000000-mapping.dmp

Download
memory/1748-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1748-71-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download