ramnit | 7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703

Analysis

max time kernel
92s
max time network
114s
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, 16:33

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General

Target

7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe
Size

1.4MB
MD5

142bb5493b521f174a35838b7192bfd0
SHA1

dc3558d0e07d5b1c9d50e6feb07bf3a872a73f42
SHA256

7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703
SHA512

9cb0f4dcea22b753b4821c7f3741727a993f68e0e38502096ec60168af29a333e0491ba1d2c23159c070cdc02e78b88f218dd7e14bb3993b2fcbadf1a84a141f
SSDEEP

24576:EpU3n5+rG/LzOaLahrD8hcrHhjN/NnMTkKPZ6WSocKEs:8UXMuXOhrgh+HnoZ6WJct

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
2332	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe
3668	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001200000001e75a-3.dat	upx
behavioral2/memory/2332-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2332-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3668-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3668-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3668-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7AC7.tmp	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe

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	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.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-1-5-21-3350944739-639801879-157714471-1000\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\VersionManager\LastCheckForUpdateHighDateTime = "31149034"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2377638970"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2377638970"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2379982708"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\GPU	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\LastCheckForUpdateHighDateTime = "31149034"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	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\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\LastUpdateHighDateTime = "31149034"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440699814"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B944CF2D-B7DD-11EF-A7EA-4A034D48373C} = "0"	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	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\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe
3668	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4028	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1980	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe
1980	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe
4028	iexplore.exe
4028	iexplore.exe
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2332	1980	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe	83
PID 1980 wrote to memory of 2332	1980	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe	83
PID 1980 wrote to memory of 2332	1980	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe	83
PID 2332 wrote to memory of 3668	2332	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe	84
PID 2332 wrote to memory of 3668	2332	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe	84
PID 2332 wrote to memory of 3668	2332	7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe	84
PID 3668 wrote to memory of 4028	3668	DesktopLayer.exe	85
PID 3668 wrote to memory of 4028	3668	DesktopLayer.exe	85
PID 4028 wrote to memory of 2376	4028	iexplore.exe	86
PID 4028 wrote to memory of 2376	4028	iexplore.exe	86
PID 4028 wrote to memory of 2376	4028	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe
"C:\Users\Admin\AppData\Local\Temp\7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - 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:3668
  - - 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:4028
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4028 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2376

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

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Downloads

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

Filesize
471B

MD5
442f2149a2677d6452319fd147903a7d

SHA1
0d4d3aacb7eb8b19c3856a770d96626a8323e7db

SHA256
7d0e2aad4d879f8a8bc62e6dc5c62964ac32317066428949f3a2b1b8331d8dfc

SHA512
c27ac496b39316dcaa2fdfd47ecc3d9707fc926cf5c5d1ea5d4d79c8c9d31670607b11d291f226e2795c9bd40ae2a8b4ce3a4c659f6e4647041153cfc6c16654

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

Filesize
404B

MD5
c4b4c62ee693dfa43ac0e254df07854e

SHA1
bed28b0ea943776e10110d03daa66896f387403f

SHA256
ff376c73d6084d51c1319045a78edd0dd895e2a5be52afdbe2f14b8131b6aa42

SHA512
5c77b7bf1f87c3c8e11a3f92e5e3db94b944d3d03e6e77dfd338dcd4b07416087581705fa7524f8cf69903504b5e357bd1a9989b044d1cccd2352b6dbfab4912

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\7395e16192b4e5afc20c54da5494d4785f9c76f2810cbd67c5cf128b8da3f703NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1980-18-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/1980-0-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/2332-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2332-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2332-5-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/3668-15-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3668-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3668-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3668-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download