ramnit | 2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405

Analysis

max time kernel
95s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2024, 04:27

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General

Target
2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe
Size 1.4MB
Sample241118-e3lk8stlem
SHA256 2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405
MD5 8585aa7d731aad8801ce7dfb37e36320
SHA1 35d140ae8abcd951863f44267f4fcc276e7e194a
SHA512 7bfd50cb37228caae6607cc5ddf421a897579f22a2094a7f873bc66dc25ffa5e9f442a5ceecc7aeef614d93286707c0acc5e743bdfbdf020135ba08c3125db59
SSDEEP 24576:3FiJgbowe6ssJQcAZvI4lyzTCiKC/XS8BGqcJOx0D3gQ:37ow4sKpqFSDJA0k
MD5 SHA1 SHA512 SSDEEP

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
380	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
3992	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b9e-3.dat	upx
behavioral2/memory/380-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/380-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3992-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3992-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD10B.tmp	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.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	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1896618556"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1896618556"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9C94415F-A565-11EF-A4B7-7ECF469E42CC} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438669106"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144306"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1903806110"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144306"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144306"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe
3992	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1872	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3552	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe
3552	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe
1872	iexplore.exe
1872	iexplore.exe
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 380	3552	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe	83
PID 3552 wrote to memory of 380	3552	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe	83
PID 3552 wrote to memory of 380	3552	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe	83
PID 380 wrote to memory of 3992	380	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe	84
PID 380 wrote to memory of 3992	380	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe	84
PID 380 wrote to memory of 3992	380	2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe	84
PID 3992 wrote to memory of 1872	3992	DesktopLayer.exe	85
PID 3992 wrote to memory of 1872	3992	DesktopLayer.exe	85
PID 1872 wrote to memory of 1564	1872	iexplore.exe	87
PID 1872 wrote to memory of 1564	1872	iexplore.exe	87
PID 1872 wrote to memory of 1564	1872	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe
"C:\Users\Admin\AppData\Local\Temp\2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:380
- - 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:3992
  - - 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:1872
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1872 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1564

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

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Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 a0e3067884f99355e97dd1979abe971940e233b6d8426ca2f9caedc7f5b25456
MD5 67b3270e9ee2455fec6e20353842018a
SHA1 afb768285ecc4fad9cb171c6ec0247e54a645746
SHA512 605ae45158f81452bfe383b3a8ec2407ce9c1bcd0d5b1372d13c870569105c764b89abf0a184fa3779770dba24e69b503ba7825026fcfd24fda06cce3ac9f3c5
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 632e77d51638beafb2987fb5eaedc04214eb264bc02e466af81095b3b58a35e1
MD5 151745d8989952ba547705c31f4bc5e0
SHA1 b99a015b5e301ed93eff04e6a5fc5e791a3a0660
SHA512 67eb59c25641911aed376522ca94e1342c96821129c818cdefecdbf4bd7978d7cc8675816ffdae11b4ac55b27e850b92a18f660208e0f1cb4ea3d96c82dc0170
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe

Path C:\Users\Admin\AppData\Local\Temp\2a32f1609fec559b9abe22173f5e3bda05f0e324a566657ca163c0c882014405NSrv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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memory/380-4-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/380-7-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/380-6-0x0000000000480000-0x000000000048F000-memory.dmp

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memory/3552-0-0x0000000000400000-0x0000000000570000-memory.dmp

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memory/3552-17-0x0000000000400000-0x0000000000570000-memory.dmp

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memory/3992-14-0x0000000001F10000-0x0000000001F11000-memory.dmp

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memory/3992-15-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3992-13-0x0000000000400000-0x000000000042E000-memory.dmp

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