ramnit | 33590bbf0f3ae8feaf30216571f0f9a5cbfe5eef842c0ec35e8b3a80896a2364

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 23:43

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General

Target

33590bbf0f3ae8feaf30216571f0f9a5cbfe5eef842c0ec35e8b3a80896a2364_NeikiAnalytics.dll
Size

260KB
MD5

344611f253c7fb08f6bf5f96cd11b380
SHA1

0cf7a012534d6e3f0dad419206eb8f00c9131e94
SHA256

33590bbf0f3ae8feaf30216571f0f9a5cbfe5eef842c0ec35e8b3a80896a2364
SHA512

2e969d3be8a77e939e3fb0dd37d3a2e1fe154f7e75bf95aa9d33c4aa9ee1b49bebc1fb10200eb8a18eed63cbe5253b252f8d6687df9ea6ad06e4ee6be4db84af
SSDEEP

3072:Ithihg5atDkbXd58D50NskOlGb0DrMc+9LKzOrIofFjujQFM1FS3eEu+p:Qhihg5aOLE0skOlXfMXLq8FCNFzJG

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:

rundll32Srv.exeDesktopLayer.exe

pid process

5044 rundll32Srv.exe
4548 DesktopLayer.exe

pid	process
5044	rundll32Srv.exe
4548	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral2/memory/5044-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5044-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4548-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4548-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px4045.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115701"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "310068492"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115701"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "313193785"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115701"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3E18E0B5-35A8-11EF-92F1-DAA7D34B912A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426383193"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "310068492"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid process

4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
4548 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4360 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4360 iexplore.exe
4360 iexplore.exe
972 IEXPLORE.EXE
972 IEXPLORE.EXE
972 IEXPLORE.EXE
972 IEXPLORE.EXE

pid	process
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe
4548	DesktopLayer.exe

pid	process
4360	iexplore.exe

pid	process
4360	iexplore.exe
4360	iexplore.exe
972	IEXPLORE.EXE
972	IEXPLORE.EXE
972	IEXPLORE.EXE
972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1652 wrote to memory of 3528	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 3528	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 3528	1652	rundll32.exe	rundll32.exe
PID 3528 wrote to memory of 5044	3528	rundll32.exe	rundll32Srv.exe
PID 3528 wrote to memory of 5044	3528	rundll32.exe	rundll32Srv.exe
PID 3528 wrote to memory of 5044	3528	rundll32.exe	rundll32Srv.exe
PID 5044 wrote to memory of 4548	5044	rundll32Srv.exe	DesktopLayer.exe
PID 5044 wrote to memory of 4548	5044	rundll32Srv.exe	DesktopLayer.exe
PID 5044 wrote to memory of 4548	5044	rundll32Srv.exe	DesktopLayer.exe
PID 4548 wrote to memory of 4360	4548	DesktopLayer.exe	iexplore.exe
PID 4548 wrote to memory of 4360	4548	DesktopLayer.exe	iexplore.exe
PID 4360 wrote to memory of 972	4360	iexplore.exe	IEXPLORE.EXE
PID 4360 wrote to memory of 972	4360	iexplore.exe	IEXPLORE.EXE
PID 4360 wrote to memory of 972	4360	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33590bbf0f3ae8feaf30216571f0f9a5cbfe5eef842c0ec35e8b3a80896a2364_NeikiAnalytics.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33590bbf0f3ae8feaf30216571f0f9a5cbfe5eef842c0ec35e8b3a80896a2364_NeikiAnalytics.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3528

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5044

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4548

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4360

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4360 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:972

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
293ea21f7d2b09f447f07d065dd542b9

SHA1
5d30d1d814dab60840b66cb9ee7dd8ceea05df70

SHA256
2203bb67fc1d126a35d05b53e3b9c39acf5a06b6f2d792099460e8caa83f2a32

SHA512
7d5ff3768b8ab54f4186a325ac433eb4a1f3dfabb30d641a0a1d6b9f2f24c5dd83cc5d05c13477cab16c5644d39e45ae991d75a1ddb7c79b76e562b4f2eb2898

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
682528b2fd5e030fcfa74367ba9fa09c

SHA1
3ae89d6f648369215eadc37b6d688eae27dd5979

SHA256
7d90432e47e8bb6318b3f66d015fc5e9d5fd8b0e09fc54d5b744be306413f880

SHA512
8c8c3dbab0c23503761a8d63c77e9b843dd58c2870c977b3726a0cd389fbc7c54ababcf504d64414c90d66a7f3777d2e000f93b2f3cf25fe173be7d074fb4048

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0RV7W6KN\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3528-0-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/4548-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4548-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4548-14-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/5044-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5044-6-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

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