ramnit | b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 08:34

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General

Target

b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe
Size

80KB
MD5

5d50935e339b13eac402fdf4f1caa47c
SHA1

168a4c05dd6b5af3a1cbb14fbe0efe4990ad69b5
SHA256

b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c
SHA512

fabe14d4d17ab4594e9960a6c2e10709f60cc502ba1c3ed0d0526dab61bea29c5acf0d617aba2f5c9319c4a6a4b44aab901c1ea4e5cac4fb2f1dc6a9f26ebb3d
SSDEEP

1536:1eV5sGaDT73aX2dT9R3aHCZ6st9S4UwPHUJbJAiZRKXE:fzDA299R3/rP0J/Zb

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
1720	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe
1440	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bf9-3.dat	upx
behavioral2/memory/1720-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1720-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1440-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1440-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB342.tmp	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.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	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.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
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2230156555"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153795"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2230156555"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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 (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442744633"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2235625207"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B0818FF7-CA76-11EF-91C3-EE81E66BE9E9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153795"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153795"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe
1440	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2920	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2920	iexplore.exe
2920	iexplore.exe
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 1720	2140	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe	84
PID 2140 wrote to memory of 1720	2140	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe	84
PID 2140 wrote to memory of 1720	2140	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe	84
PID 1720 wrote to memory of 1440	1720	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe	85
PID 1720 wrote to memory of 1440	1720	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe	85
PID 1720 wrote to memory of 1440	1720	b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe	85
PID 1440 wrote to memory of 2920	1440	DesktopLayer.exe	86
PID 1440 wrote to memory of 2920	1440	DesktopLayer.exe	86
PID 2920 wrote to memory of 4560	2920	iexplore.exe	87
PID 2920 wrote to memory of 4560	2920	iexplore.exe	87
PID 2920 wrote to memory of 4560	2920	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe
"C:\Users\Admin\AppData\Local\Temp\b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe
  C:\Users\Admin\AppData\Local\Temp\b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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:1440
  - - 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:2920
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2920 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4560

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
8fad2e07a4c7a80a9b50d87e76420c29

SHA1
7faa7310d52e1b97b5f7597dda3fa439f4ec04d8

SHA256
be210b4b624d55d076fdc5b6d9f6b98acb116c646e43c56e52790d910bca942d

SHA512
459a02e6817f3ba0a1edc2590a266a772127f39f651c9a5ee1170fbaefedeadff6a6ff948f97ed09670413dabe611c2c34e00e7600b4ff501455c35776da7895

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

Filesize
404B

MD5
5fd7933dd87aa96601a62c60bf5f5815

SHA1
7f5d8d405f533a11653625e6287fa5f3531ce797

SHA256
e1567513d8ec5e11263fd783abcf7e023bfc26f4d1e37a815e51f2ebaf48ed4f

SHA512
b6983c2b3b0691ad93a6d6f3bba329c5a5f929fc20b3ae74d47158f9d3bad5294b057f9314a02a71625e963fb2ed91a2e65f91b36c2ba34ab6ab9296b53f83e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\b78519305311f9c7ea30b2c43cd67ff08d8b87ff134a2b6b240ae4a101fd700cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1440-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1440-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1440-14-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1720-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/1720-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2140-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

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