ramnit | 1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d

General

Target

1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe
Size

768KB
MD5

114b8aca55160426e9baa1a0ac125d75
SHA1

e25a2c4910c7d14b2c842449b9215faf90e3a20e
SHA256

1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d
SHA512

fb5f911742438be73f7a11ce67caaed65f01fa853d18c6ca83847b895ab0ae53e9a261d306fa65bfe9e11d6a6f92bb4b645086f61a1bbeff6601fd9579a59596
SSDEEP

12288:k2mi/4Z3GFNVWs4/v0b8VZQvr1vbvykvEv43C:kagZGnVWDOuZI1jv7vO43C

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
4100	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe
4552	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023c7b-3.dat	upx
behavioral2/memory/4100-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4100-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4552-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4552-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxBF97.tmp	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.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	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.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 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157813"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444470439"	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 (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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 = "3110768131"	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\LastCheckForUpdateLowDateTime = "3114986948"	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\DomainSuggestion\FileNames	iexplore.exe
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\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157813"	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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
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
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\{E4F2B4A6-DA28-11EF-A7EA-E6FB6C85BB83} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe
4552	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1188	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2024	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe
2024	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe
1188	iexplore.exe
1188	iexplore.exe
544	IEXPLORE.EXE
544	IEXPLORE.EXE
544	IEXPLORE.EXE
544	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 4100	2024	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe	84
PID 2024 wrote to memory of 4100	2024	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe	84
PID 2024 wrote to memory of 4100	2024	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe	84
PID 4100 wrote to memory of 4552	4100	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe	85
PID 4100 wrote to memory of 4552	4100	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe	85
PID 4100 wrote to memory of 4552	4100	1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe	85
PID 4552 wrote to memory of 1188	4552	DesktopLayer.exe	86
PID 4552 wrote to memory of 1188	4552	DesktopLayer.exe	86
PID 1188 wrote to memory of 544	1188	iexplore.exe	87
PID 1188 wrote to memory of 544	1188	iexplore.exe	87
PID 1188 wrote to memory of 544	1188	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe
"C:\Users\Admin\AppData\Local\Temp\1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe
  C:\Users\Admin\AppData\Local\Temp\1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4100
- - 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:4552
  - - 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:1188
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:544

Network

MITRE ATT&CK Enterprise v15

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
dc142ff8759ecb81417ba231bbcf25d0

SHA1
201681d524cde8af5c11b5111f5fa697521c5739

SHA256
d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

SHA512
b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

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

Filesize
404B

MD5
c8734aad83dfc7c8f570af2e4e3b1c0b

SHA1
2304be2b700497161e0a49e127158ee58cf225a1

SHA256
53fb5c928965d3fb54e00d642f1313d36593c13cf160235a25ee5e4d0a05e2c2

SHA512
41df2f92d8ac5e324b5b81eeb985c0d1b5fa4507415459076a1c320e637012bb76de6344924b9af6e60f7462501836702cb0104f3c73a768044471cf53297571

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\1291173e2e712efb12141526048b983dacc5bc64264c40fb4a34a3162e4a328dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2024-0-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/2024-17-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4100-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4100-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4100-6-0x0000000000480000-0x000000000048F000-memory.dmp

Filesize
60KB

Download
memory/4552-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4552-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4552-14-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing