ramnit | 9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58

Analysis

max time kernel
138s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 00:35

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General

Target
9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe
Size 3.8MB
Sample241006-axnfesxdnr
SHA256 9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58
MD5 7f92c4777b963919f6a07a8b7e7d9fed
SHA1 97a0ba4b9d1590f47e2f4f06b825a638d55ea110
SHA512 d998e3bb609ed71971c3b944e9cea014ec50ce05698894a00ad9442a0038deb4ee8a008839207bc3a1741dad4dc2a0c5e831f05e07c3e81d0e261b6146a169f1
SSDEEP 3072:z4WAx4I+o3eeqpvOWtCo3OpsYbxfrOzJN+UWtn:z4WuqpGWoo3OpsYbxAD+UWt
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

Executes dropped EXE 2 IoCs

pid	Process
868	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe
4392	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b7d-2.dat	upx
behavioral2/memory/868-3-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/868-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/868-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4392-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4392-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4392-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA028.tmp	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3172863056"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3177238337"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E8BE0A8A-837A-11EF-B35C-6270718578E0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434939913"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31135623"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135623"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3172863056"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135623"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe
4392	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4584	iexplore.exe
4584	iexplore.exe
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 868	3712	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe	85
PID 3712 wrote to memory of 868	3712	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe	85
PID 3712 wrote to memory of 868	3712	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe	85
PID 868 wrote to memory of 4392	868	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe	86
PID 868 wrote to memory of 4392	868	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe	86
PID 868 wrote to memory of 4392	868	9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe	86
PID 4392 wrote to memory of 4584	4392	DesktopLayer.exe	87
PID 4392 wrote to memory of 4584	4392	DesktopLayer.exe	87
PID 4584 wrote to memory of 1428	4584	iexplore.exe	89
PID 4584 wrote to memory of 1428	4584	iexplore.exe	89
PID 4584 wrote to memory of 1428	4584	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe
"C:\Users\Admin\AppData\Local\Temp\9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712
- C:\Users\Admin\AppData\Local\Temp\9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe
  C:\Users\Admin\AppData\Local\Temp\9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:868
- - 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:4392
  - - 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:4584
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4584 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1428

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

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RPQ9CKS7\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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9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\9f3d93e6cb2c4fc5a8a61fcb3ad4fc0b70ba6f70b4a8f95a8bae9f11dd3fee58Srv.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/868-3-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/868-4-0x0000000000550000-0x000000000055F000-memory.dmp

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memory/868-6-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/868-10-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4392-11-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4392-14-0x0000000000450000-0x0000000000451000-memory.dmp

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memory/4392-15-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4392-13-0x0000000000400000-0x000000000042E000-memory.dmp

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