ramnit | 245b4df9ceafa31e854f40ce9836424d48a29f930b7d0783f928701138114756

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 01:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe
Size

4.3MB
MD5

bdb49ef7be7155f04cbfd0fc4da33c08
SHA1

5908c9f6f41a8f9c8187d96442947c0cec5cc504
SHA256

245b4df9ceafa31e854f40ce9836424d48a29f930b7d0783f928701138114756
SHA512

cabfe018729925919c2c1bb9259ab63f1aa3cf4abed0042f9afe7949e08a95ff1f208e845f9caf34f231c5b467a35cbdf3d76539706709a7d0f7d026697db676
SSDEEP

98304:Ed675opH8FnKhoIkrxLHCx9D0MEPrPTff4RSoj9ghi1RebMIg9Cbk/V8giirSeF:K810Wx2Xm7Tff4RSojDIg9Cbk/V88

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2128	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
1920	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2128-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1920-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1920-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2128-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1920-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1920-43-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8E75.tmp	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1044	1744	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2374393117"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148908"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148908"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440645697"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B923F97E-B75F-11EF-A7EA-CAF61997B0B0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148908"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2374237415"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2376268620"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe
1920	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4692	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3612	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe
3612	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe
4692	iexplore.exe
4692	iexplore.exe
4696	IEXPLORE.EXE
4696	IEXPLORE.EXE
4696	IEXPLORE.EXE
4696	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2128	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
1920	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2128	3612	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe	83
PID 3612 wrote to memory of 2128	3612	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe	83
PID 3612 wrote to memory of 2128	3612	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe	83
PID 2128 wrote to memory of 1920	2128	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe	84
PID 2128 wrote to memory of 1920	2128	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe	84
PID 2128 wrote to memory of 1920	2128	2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe	84
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 1744	1920	WaterMark.exe	85
PID 1920 wrote to memory of 4692	1920	WaterMark.exe	89
PID 1920 wrote to memory of 4692	1920	WaterMark.exe	89
PID 1920 wrote to memory of 2908	1920	WaterMark.exe	90
PID 1920 wrote to memory of 2908	1920	WaterMark.exe	90
PID 4692 wrote to memory of 4696	4692	iexplore.exe	92
PID 4692 wrote to memory of 4696	4692	iexplore.exe	92
PID 4692 wrote to memory of 4696	4692	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Users\Admin\AppData\Local\Temp\2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
  C:\Users\Admin\AppData\Local\Temp\2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:1744
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 204
        5⤵
        Program crash
        
        PID:1044
  - - 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:4692
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4692 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4696
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1744 -ip 1744
1⤵
PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
471B

MD5
87f8376b71b1fd35da4b511eff055888

SHA1
0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

SHA256
a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

SHA512
8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

Filesize
404B

MD5
58441dfebeffab2763f6f5e105581dac

SHA1
49ae5e8cdf518aeb08bbd7eff50ecba419250c07

SHA256
8e56325b329c72053d2796105fe65557c276f7e2c8366633f70e6170632a44a9

SHA512
eea98bad57292f13aa54d388e55ef95bcbc40ccff41b34e6974052fb5e56e88451e3bb7491360f82ddb822346a355e098d51635b912d987da9417888ea028fc5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\2024-12-11_bdb49ef7be7155f04cbfd0fc4da33c08_mafia_ramnitmgr.exe

Filesize
112KB

MD5
be1d07ff1a7206787fe1ab3acff017d8

SHA1
7098919b3b0ad48e7297ab1c0526e41d3c084916

SHA256
553a6c845b90d293e243a5c90a0a6fbb127a4c2ad6bea7eac6539f35cc0a0b4f

SHA512
5bf7320645bf80ccd625689cb294a47eeaa8a8bfcfe59f3b731da6bbeb579e3d6aef6d63b0694d44b28c4e9f92d2ac3457b87e28832b9dd87b3e023a39e38757

Download Submit
memory/1744-35-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/1744-36-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1920-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1920-32-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1920-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1920-40-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1920-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1920-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1920-41-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/1920-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1920-33-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/2128-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-12-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2128-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2128-6-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3612-0-0x00000000001D0000-0x0000000000628000-memory.dmp

Filesize
4.3MB

Download
memory/3612-53-0x00000000001D0000-0x0000000000628000-memory.dmp

Filesize
4.3MB

Download