ramnit | 3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 05:39

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General

Target

3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe
Size

1.9MB
MD5

51df8b515a00ed4b5028d2e7890bdc88
SHA1

462162e7092591b2cc7fb92a57407f37b41b9547
SHA256

3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87
SHA512

88e3aef0b5e00732bcec9f8907ab5b3a8642adcaa6c0b99f3f4f20a830fe6fb32936f3213df709750c1edb24b9361806a542049ef79dc8e4a7dd0d9277fbd6dc
SSDEEP

49152:XtUbyGqexBakUHZ5ttYSgrZfepV971aYtIvkwe8lXkXatdpQbnMp7vSi7wNTd:XtUbyGqexBakUHZ5ttYSgrZfepV971aU

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
4752	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe
3652	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b85-3.dat	upx
behavioral2/memory/4752-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4752-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3652-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3652-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3652-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7BE7.tmp	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3532	3720	WerFault.exe	82

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	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.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 (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438846176"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E313410A-A701-11EF-BEF1-EE6C25FCE24B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144718"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144718"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3080284693"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144718"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3084503499"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3080284693"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe
3652	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3720	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe
3720	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe
2528	iexplore.exe
2528	iexplore.exe
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4752	3720	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe	83
PID 3720 wrote to memory of 4752	3720	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe	83
PID 3720 wrote to memory of 4752	3720	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe	83
PID 4752 wrote to memory of 3652	4752	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe	84
PID 4752 wrote to memory of 3652	4752	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe	84
PID 4752 wrote to memory of 3652	4752	3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe	84
PID 3652 wrote to memory of 2528	3652	DesktopLayer.exe	85
PID 3652 wrote to memory of 2528	3652	DesktopLayer.exe	85
PID 2528 wrote to memory of 1004	2528	iexplore.exe	86
PID 2528 wrote to memory of 1004	2528	iexplore.exe	86
PID 2528 wrote to memory of 1004	2528	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe
"C:\Users\Admin\AppData\Local\Temp\3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Local\Temp\3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe
  C:\Users\Admin\AppData\Local\Temp\3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4752
- - 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:3652
  - - 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:2528
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2528 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 848
  2⤵
  - Program crash
  PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3720 -ip 3720
1⤵
PID:1276

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
11d14077869dba67110eb7f6cae1b120

SHA1
f05e6bb7204a6e0efff37eedf3447eedc5de7b84

SHA256
d59818a872b22bd33909691c19daaf807ac7042fc6897dea5ba296d02530f39e

SHA512
9b62bb5f3e777e67ce440ca88f81e5e215443ad2c679b076d10a0534e816853340589d8d8e5e36fc53d60efe4dd5c0537e0fdf011064d1f8ff2c2dbffc2c992d

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

Filesize
404B

MD5
3a546445065d05ba78312644edf4c57a

SHA1
271a8aa567dc6c97e8c573b174a70f2039e4e970

SHA256
69cde0fcd929250c95de3ac4b7f63cc9aad991f7625eed356a0ed289feb582c9

SHA512
e4e36cdbcfbca24f08fdf77afa613c9e678670dcfedc153faeb2aabbf623ff0f31083f11ebb29a614fac67018eccefd0fbd58d726c3e667d7336073a035c3342

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\3adfa6416cd1ac42317e94434cdc9e073098e3290d55897d4e73ba130815be87Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3652-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3652-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3652-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3652-15-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3720-18-0x0000000000400000-0x00000000006FA000-memory.dmp

Filesize
3.0MB

Download
memory/3720-0-0x0000000000400000-0x00000000006FA000-memory.dmp

Filesize
3.0MB

Download
memory/4752-5-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/4752-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4752-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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