ramnit | 9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96

General

Target

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe
Size

695KB
MD5

12c7f41e9baf0a517af0fde2527dcddf
SHA1

86ded6fa62aafa59482215f0500e9d22f8b131c9
SHA256

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96
SHA512

4d4d082daa4dacc5092b9389e329ed2262f65dc30d2763c2ba033e2f622be4abddb3d2087cafe052d7a5bec83d06a84d6c987ac899e4e64a6f718ac29e810676
SSDEEP

12288:YeYudHUu2SwPPKU0i+/+9i3WVBSyqtbTKiBFWog7Wqe/qiTHr4kOqbMch3gQK:68HU1SwPSl3/+9YWV8yqtSkAogKn/Ljy

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

Processes:

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exeDesktopLayer.exe

pid process

904 9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
3584 DesktopLayer.exe

pid	process
904	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
3584	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe	upx
behavioral2/memory/904-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/904-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3584-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3584-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3584-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px9069.tmp	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.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

Processes:

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exeDesktopLayer.exeIEXPLORE.EXE9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438821515"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{77EC5BE0-A6C8-11EF-B9B6-7ECF469E42CC} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144661"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1284917425"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1282260664"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1282260664"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144661"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144661"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe
3584	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2924 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2924 iexplore.exe
2924 iexplore.exe
4940 IEXPLORE.EXE
4940 IEXPLORE.EXE

pid	process
2924	iexplore.exe

pid	process
2924	iexplore.exe
2924	iexplore.exe
4940	IEXPLORE.EXE
4940	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2572 wrote to memory of 904	2572	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
PID 2572 wrote to memory of 904	2572	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
PID 2572 wrote to memory of 904	2572	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
PID 904 wrote to memory of 3584	904	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe	DesktopLayer.exe
PID 904 wrote to memory of 3584	904	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe	DesktopLayer.exe
PID 904 wrote to memory of 3584	904	9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe	DesktopLayer.exe
PID 3584 wrote to memory of 2924	3584	DesktopLayer.exe	iexplore.exe
PID 3584 wrote to memory of 2924	3584	DesktopLayer.exe	iexplore.exe
PID 2924 wrote to memory of 4940	2924	iexplore.exe	IEXPLORE.EXE
PID 2924 wrote to memory of 4940	2924	iexplore.exe	IEXPLORE.EXE
PID 2924 wrote to memory of 4940	2924	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe
"C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
  C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:904
- - 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:3584
  - - 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:2924
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2924 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4940

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
471B

MD5
11d14077869dba67110eb7f6cae1b120

SHA1
f05e6bb7204a6e0efff37eedf3447eedc5de7b84

SHA256
d59818a872b22bd33909691c19daaf807ac7042fc6897dea5ba296d02530f39e

SHA512
9b62bb5f3e777e67ce440ca88f81e5e215443ad2c679b076d10a0534e816853340589d8d8e5e36fc53d60efe4dd5c0537e0fdf011064d1f8ff2c2dbffc2c992d

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

Filesize
404B

MD5
efa28831266c6755735001db61e98072

SHA1
a27f8c52375dc1b464b19ed692ee5b9de878a315

SHA256
656bdd6a960b2f11113902c74aa5488e30e9b69d39ee5387d5735d5f2d5158d2

SHA512
546ac14927efd25d7f343f71a0f190ae5dba4ae184884d99b3c84bb9aa3ba271ba45644f19d1cbee821a48103ff0602e4f98a0a1daa01c1b11d32574848986cb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\9ffd1af5ec92a10bd5cc2cc21ebd55e0a69f0bcb9d037d54c85ab53cc3758b96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/904-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/904-6-0x0000000000480000-0x000000000048F000-memory.dmp

Filesize
60KB

Download
memory/904-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2572-22-0x0000000000400000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/2572-14-0x0000000000400000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/2572-0-0x0000000000400000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/3584-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3584-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3584-16-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3584-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads