ramnit | 243078a4fa89cf55e44595fc28e351171e18ed6cbea16ecdb6240e3bac2bf4e7

General

Target

2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Size

388KB
MD5

ceaa4a1d07705cb75dab7a339826843c
SHA1

94485ae559b9612fad5c83fd9988048a4962ced3
SHA256

243078a4fa89cf55e44595fc28e351171e18ed6cbea16ecdb6240e3bac2bf4e7
SHA512

00f829f8c75f5f60c59395d6bd0a1f51309c8cfff8d9f28ee215f7615dfe6b76aa29f190f5772134e3b6160d0d80df55a9b35ea4c1338c28726b89fb46bea627
SSDEEP

6144:ImLPQIrCQw0OJPqRrFK3QuyTUi5xePRn9aVwc0/4h9Dv6s:xL4IrCJ9PqRk3UUi5xePR9VQzj6s

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
5116	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe
1912	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000002185c-3.dat	upx
behavioral1/memory/5116-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/5116-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1912-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1912-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px5822.tmp	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.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	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.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 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\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
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{086051A7-17C9-11F0-AA58-5A43555A5727} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "451246239"	iexplore.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Mach1Control.Application\ = "Mach1Control.Application"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\ = "Mach1Control.Application"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\ProgID	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\ProgID\ = "Mach1Control.Application"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\InprocHandler32	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-0~1.EXE"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Mach1Control.Application	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Mach1Control.Application\CLSID	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Mach1Control.Application\CLSID\ = "{97DB3F06-2692-4852-BE9B-136D72FF1636}"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\InprocHandler32\ = "ole32.dll"	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DB3F06-2692-4852-BE9B-136D72FF1636}\LocalServer32	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe
1912	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2068	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5564	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
5564	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
2068	iexplore.exe
2068	iexplore.exe
3916	IEXPLORE.EXE
3916	IEXPLORE.EXE
3916	IEXPLORE.EXE
3916	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5564 wrote to memory of 5116	5564	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe	86
PID 5564 wrote to memory of 5116	5564	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe	86
PID 5564 wrote to memory of 5116	5564	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe	86
PID 5116 wrote to memory of 1912	5116	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe	87
PID 5116 wrote to memory of 1912	5116	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe	87
PID 5116 wrote to memory of 1912	5116	2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe	87
PID 1912 wrote to memory of 2068	1912	DesktopLayer.exe	88
PID 1912 wrote to memory of 2068	1912	DesktopLayer.exe	88
PID 2068 wrote to memory of 3916	2068	iexplore.exe	89
PID 2068 wrote to memory of 3916	2068	iexplore.exe	89
PID 2068 wrote to memory of 3916	2068	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5564
- C:\Users\Admin\AppData\Local\Temp\2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - 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:1912
  - - 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:2068
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2068 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3916

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
15edd1b18d01ba2a613d62919ed706ab

SHA1
702cd3e62466b46eaa362e11fdeb5add76ba97f1

SHA256
beecd9f01075baf462dfc3e075918ee42b914d03e6704f94fe1a41526a6f0f72

SHA512
9176a541226bb43e5ff8ef7dcb558e44776e788ff80aff00b3ea8715a64d850b714586aafb0bdd1bac5d24b85357367a991915b89818242fb693f54edf7859f0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
d26c2023ca8a2e215b8ab5dbf3ffb096

SHA1
0d185e43be46eabcec2ac2e323e277bfa439d6db

SHA256
d29e4aa7a3710ac7ccd927fa477aef36ab2086bbef9a771ea52ee8efa06f62dc

SHA512
9a2b2f31e125e8b907fcbc8e2fca4a34d14584e8dd5e8fddbd679f3d1ce17b02cccd8a5b7fc687d5979fd0f3949ee2965ace284f743168e0fa17564b0d3475f8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\A0YW8B0D\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\2025-04-12_ceaa4a1d07705cb75dab7a339826843c_elex_icedid_ramnitSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1912-12-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/1912-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1912-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5116-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5116-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5116-6-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/5564-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/5564-17-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing