ramnit | 86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61

Analysis

max time kernel
94s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 03:48

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General

Target

86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe
Size

1.0MB
MD5

19e994fc4c9991ad0bf52707bd6b4f78
SHA1

6c157c7008a9fe5da59a82bad9145ef06a060066
SHA256

86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61
SHA512

0d90de9ac90764cc36328ab3c14dbcb3e287329f3c710dd11f095dcab33d494c7561d2fa154a74749a327e8cbe8624bf972001fca405f768b0bd3c84129a534c
SSDEEP

24576:yGt+igEhxI9qg8RVMdEU5vNYGp7oS7C+/kY6:MWsqjzMdNNY786

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
1544	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
4648	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023c64-3.dat	upx
behavioral2/memory/1544-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1544-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4648-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4648-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD9B6.tmp	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151945"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "686005640"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{548139B5-C33C-11EF-9361-CAF61997B0B0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "688818203"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151945"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151945"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "686005640"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441949910"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe
4648	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1952	iexplore.exe
1952	iexplore.exe
428	IEXPLORE.EXE
428	IEXPLORE.EXE
428	IEXPLORE.EXE
428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 1544	4836	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe	82
PID 4836 wrote to memory of 1544	4836	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe	82
PID 4836 wrote to memory of 1544	4836	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe	82
PID 1544 wrote to memory of 4648	1544	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe	83
PID 1544 wrote to memory of 4648	1544	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe	83
PID 1544 wrote to memory of 4648	1544	86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe	83
PID 4648 wrote to memory of 1952	4648	DesktopLayer.exe	84
PID 4648 wrote to memory of 1952	4648	DesktopLayer.exe	84
PID 1952 wrote to memory of 428	1952	iexplore.exe	85
PID 1952 wrote to memory of 428	1952	iexplore.exe	85
PID 1952 wrote to memory of 428	1952	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe
"C:\Users\Admin\AppData\Local\Temp\86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
  C:\Users\Admin\AppData\Local\Temp\86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - 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:1952
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1952 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
471B

MD5
73d8dd7eaa8896905e31f1960f51ece1

SHA1
164e031603e75d95091220c5ff0d695547f6d3ae

SHA256
9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

SHA512
4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

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

Filesize
404B

MD5
66beef87a291b527c97a021596849d15

SHA1
ba195a728b0d45ea7fc00def2b32b74871bba21e

SHA256
6906ecbad06ce47077e40bc6f1b03b2ec2349ab578c4b4cba7b702b7a6b4f0bd

SHA512
4d27388736403c26691f5c78d6bf6a19ec7f2f5fbe0fcf9d49f32e95d3dafe8e1a64892ae00fd5ccb1a880c570be2fa31269dddabcfabed6f8b181335b3ba5da

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\86fb9e21a026067342c9a95e2d21860f365c17f9f523a8b9827dccc441ca9e61Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1544-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1544-7-0x0000000000510000-0x000000000051F000-memory.dmp

Filesize
60KB

Download
memory/1544-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4648-13-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4648-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4648-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4836-0-0x0000000001000000-0x0000000001106000-memory.dmp

Filesize
1.0MB

Download
memory/4836-17-0x0000000001000000-0x0000000001106000-memory.dmp

Filesize
1.0MB

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