ramnit | eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/06/2024, 04:34

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General

Target
eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
Size 126KB
Sample240626-e7k59sxhpp
SHA256 eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7
MD5 0fa6bdafab779e2a36ef87db5219229b
SHA1 e8d481bbfee3a1c6a45d3f672f996cfd59c042b5
SHA512 4d1be03ea7f8bd1c60282597f7a2cbe592fbf6390f497808eae1dff82b5b5800a77991fa9d7e038862a3a852b95ad5d97e3359eca054b2984d0c165e63a5a970
SSDEEP 3072:tLLVpImRqLOUph/3FhIvLwV9jqPEEhHdKk:FLVpOjvg8VxqcETJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker 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

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/files/0x000a00000002328e-3.dat	UPX
behavioral2/memory/660-7-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/660-5-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/2648-11-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/2648-15-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/2648-16-0x0000000000400000-0x000000000042E000-memory.dmp	UPX
behavioral2/memory/4680-18-0x0000000000A60000-0x0000000000A84000-memory.dmp	UPX

Executes dropped EXE 2 IoCs

pid	Process
660	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
2648	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a00000002328e-3.dat	upx
behavioral2/memory/660-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/660-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2648-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2648-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2648-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px5592.tmp	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426141472"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115138"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115138"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{712439DB-3375-11EF-9519-FEF50CB5D633} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1166606505"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1166606505"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115138"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1168950168"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe
2648	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2604	iexplore.exe
2604	iexplore.exe
224	IEXPLORE.EXE
224	IEXPLORE.EXE
224	IEXPLORE.EXE
224	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 660	4680	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	81
PID 4680 wrote to memory of 660	4680	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	81
PID 4680 wrote to memory of 660	4680	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe	81
PID 660 wrote to memory of 2648	660	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	82
PID 660 wrote to memory of 2648	660	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	82
PID 660 wrote to memory of 2648	660	eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe	82
PID 2648 wrote to memory of 2604	2648	DesktopLayer.exe	83
PID 2648 wrote to memory of 2604	2648	DesktopLayer.exe	83
PID 2604 wrote to memory of 224	2604	iexplore.exe	84
PID 2604 wrote to memory of 224	2604	iexplore.exe	84
PID 2604 wrote to memory of 224	2604	iexplore.exe	84

C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
"C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
  C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:660
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - 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:2604
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4
MD5 b9b9f42ce6d2b20bf169d05480d239d4
SHA1 32b094cc2ff79f07fcd68d585846b919bc350e4d
SHA512 36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 979ac48883cdb8013dabbec6a75b7ad15c6951c800e942e48cb3702ee5bb97d1
MD5 098dac61b850f697187bd1124f5a9b0c
SHA1 34765f327b9944f80d066b98a1bf63341062a17c
SHA512 bb665165f67627f57fd116aa5489b209b0e872a6937a4b409b1331946c382bb00704d080b30947294e7cb931b245dfca82865f827294bfd6926a28b1596ade1f
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2IX84YPE\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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eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.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/660-7-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/660-6-0x00000000005A0000-0x00000000005AF000-memory.dmp

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memory/660-5-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2648-15-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2648-14-0x00000000005B0000-0x00000000005B1000-memory.dmp

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memory/2648-16-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2648-11-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/4680-18-0x0000000000A60000-0x0000000000A84000-memory.dmp

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memory/4680-0-0x0000000000A60000-0x0000000000A84000-memory.dmp

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