ramnit | 780bf2352dcc7a542fdbb3da420da63dafcf8a1142a7ffcd66c314fc2ed9a892

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 02:35

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
780bf2352dcc7a542fdbb3da420da63dafcf8a1142a7ffcd66c314fc2ed9a892.dll
Size 160KB
Sample240609-c29wbscc8s
SHA256 780bf2352dcc7a542fdbb3da420da63dafcf8a1142a7ffcd66c314fc2ed9a892
MD5 ace0767a2e6853a2f1b3bfd0f097ee7c
SHA1 cb07621513ca7e591c27b47c735bb944fbe4457f
SHA512 c10834986bb0e6ca0b1b3be8048ecb5b4637f18d4ac5f2d5a7140cc1a0403a9c52ad1234ede11df02efcf03ce8e1c7564184259133b950cf917b058f72773d65
SSDEEP 3072:RbdF7BDNBBwJkjaGxN5QXk25PTOJgCdVqvrSYiJ:RJFPHMQ1N545PTygoorSP
MD5 SHA1 SHA512 SSDEEP

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

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/memory/1072-1-0x0000000010000000-0x0000000010029000-memory.dmp	UPX
behavioral2/files/0x000900000002326d-3.dat	UPX
behavioral2/memory/1168-4-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/1168-6-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/4416-12-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/4416-14-0x0000000000400000-0x000000000042E000-memory.dmp	UPX

Executes dropped EXE 2 IoCs

pid	Process
1168	rundll32Srv.exe
4416	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002326d-3.dat	upx
behavioral2/memory/1168-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1168-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4416-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4416-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px1D09.tmp	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{001A9A0B-2609-11EF-B9F7-628714877227} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31111701"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31111701"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3600117199"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31111701"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3667462589"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424665539"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3600117199"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe
4416	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4032	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4032	iexplore.exe
4032	iexplore.exe
676	IEXPLORE.EXE
676	IEXPLORE.EXE
676	IEXPLORE.EXE
676	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 1072	372	rundll32.exe	91
PID 372 wrote to memory of 1072	372	rundll32.exe	91
PID 372 wrote to memory of 1072	372	rundll32.exe	91
PID 1072 wrote to memory of 1168	1072	rundll32.exe	92
PID 1072 wrote to memory of 1168	1072	rundll32.exe	92
PID 1072 wrote to memory of 1168	1072	rundll32.exe	92
PID 1168 wrote to memory of 4416	1168	rundll32Srv.exe	93
PID 1168 wrote to memory of 4416	1168	rundll32Srv.exe	93
PID 1168 wrote to memory of 4416	1168	rundll32Srv.exe	93
PID 4416 wrote to memory of 4032	4416	DesktopLayer.exe	94
PID 4416 wrote to memory of 4032	4416	DesktopLayer.exe	94
PID 4032 wrote to memory of 676	4032	iexplore.exe	95
PID 4032 wrote to memory of 676	4032	iexplore.exe	95
PID 4032 wrote to memory of 676	4032	iexplore.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\780bf2352dcc7a542fdbb3da420da63dafcf8a1142a7ffcd66c314fc2ed9a892.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\780bf2352dcc7a542fdbb3da420da63dafcf8a1142a7ffcd66c314fc2ed9a892.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1072
- - 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:1168
  - - 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:4416
    - - 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:4032
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4032 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:676

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3968 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:3408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 1bfff9beefb632ccbcd61cc1db292cdbcdd5c58a7dba56856958b3a3ab4cc04e
MD5 2e4c622928c87b27dbe1fce59908903e
SHA1 d9523243f087a1977c8688e4809a7afe4ce602e0
SHA512 b8abf9937082e8157e3bb6819d9896391f909851dfd2ab46abd6c53f9c29a2c4336ed7103e58f4c7a9de5401fd77375853f3301e1935a201170370daba18f334
MD5 SHA1 SHA512

Submit Download

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 c9703d689379c79778a8144a1738b7bbb80976b11db746ee91487e6ac5a2712a
MD5 8af43771d7e71fc5954b226fb7dc8ca4
SHA1 5a023ee60f66a635d491e785f01e20002867d27f
SHA512 4c0fa6a9244fb16e4d9fc33238f2688ecb0ce754d90b0818cb73d673fd0a5cfe9709c3793a5d04c99c256f9fcd837947a9a9a64c44152e7850efef0af3802b37
MD5 SHA1 SHA512

Submit Download

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

Submit Download

rundll32Srv.exe

Path C:\Windows\SysWOW64\rundll32Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1072-1-0x0000000010000000-0x0000000010029000-memory.dmp

Download

memory/1168-4-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/1168-5-0x0000000000550000-0x000000000055F000-memory.dmp

Download

memory/1168-6-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/4416-12-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/4416-13-0x00000000005A0000-0x00000000005A1000-memory.dmp

Download

memory/4416-14-0x0000000000400000-0x000000000042E000-memory.dmp

Download