ramnit | 97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a

Analysis

max time kernel
105s
max time network
146s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:46

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General

Target

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe
Size

1.9MB
MD5

28b7895185f1af2d9bd4b688daee277b
SHA1

1d8ff9d4272f88e891472013fadad151b5881e76
SHA256

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a
SHA512

32dae8739b1b89c1add23e45d2ac7088cae20d9a7e44d0730f57d7c915d168e55e16df0a23499b582a7e5080cb2f4b6ba453b186c30448b34850628aae5c5b22
SSDEEP

49152:WryfyD2phLtaAGcoaNKIayOzRk/OX1euMao8PwhJGDh:pDLQA8AONk2X1euMaVPsJQh

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:

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exeDesktopLayer.exe

pid process

1552 97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
768 DesktopLayer.exe

pid	process
1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
768	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\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1552-65-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/768-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe

pid	process
1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe
1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe
1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe
1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe

Drops file in Program Files directory 3 IoCs

Processes:

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px21D4.tmp	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.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
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{37B62AF1-6B29-11ED-8DFC-667719A561AF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375971011"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

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

Processes:

iexplore.exe

pid process

1692 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1692 iexplore.exe
1692 iexplore.exe
1140 IEXPLORE.EXE
1140 IEXPLORE.EXE
1140 IEXPLORE.EXE
1140 IEXPLORE.EXE

pid	process
768	DesktopLayer.exe
768	DesktopLayer.exe
768	DesktopLayer.exe
768	DesktopLayer.exe

pid	process
1692	iexplore.exe

pid	process
1692	iexplore.exe
1692	iexplore.exe
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1516 wrote to memory of 1552	1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
PID 1516 wrote to memory of 1552	1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
PID 1516 wrote to memory of 1552	1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
PID 1516 wrote to memory of 1552	1516	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
PID 1552 wrote to memory of 768	1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	DesktopLayer.exe
PID 1552 wrote to memory of 768	1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	DesktopLayer.exe
PID 1552 wrote to memory of 768	1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	DesktopLayer.exe
PID 1552 wrote to memory of 768	1552	97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe	DesktopLayer.exe
PID 768 wrote to memory of 1692	768	DesktopLayer.exe	iexplore.exe
PID 768 wrote to memory of 1692	768	DesktopLayer.exe	iexplore.exe
PID 768 wrote to memory of 1692	768	DesktopLayer.exe	iexplore.exe
PID 768 wrote to memory of 1692	768	DesktopLayer.exe	iexplore.exe
PID 1692 wrote to memory of 1140	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 1140	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 1140	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 1140	1692	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe
"C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1552

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:768

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:1692

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1692 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1140

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

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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\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\AWKQOOF2.txt

Filesize
603B

MD5
81c6c4c8f1578cdf8d744099e45c54b0

SHA1
d206bb95cdfdaad0df8f2c26f3c890b91453d2a5

SHA256
b52389f799c2d92fffedba0c9e605173caa827a4e1ecb485bba09b3abe72304b

SHA512
9f5eda5ae9659737620bd38f8eda913aeed88b7eb779e768191322b775982b37047788b116bcd7a2316ddfe5fb41c95fea3d54773c2b75b79694ff54b1609b9a

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\97082cdd21315b24be3fab3cf5043a87985d6dd4191437e3a6a8401e1785387aSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\nst2158.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
\Users\Admin\AppData\Local\Temp\nst2158.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
\Users\Admin\AppData\Local\Temp\nst2158.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/768-63-0x0000000000000000-mapping.dmp

Download
memory/768-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1516-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1516-70-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1552-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1552-57-0x0000000000000000-mapping.dmp

Download