ramnit | faa9073fbd0b4f73d02d02950e83c3b30c63b5eaa58a116ac538f2c21d7af41a

Analysis

max time kernel
136s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 15:38

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General

Target

NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe
Size

123KB
MD5

118674738c34e0537a8f49a4413ab9e0
SHA1

c597a09a99aaf5aefe76e919e21a468ee95b5d15
SHA256

faa9073fbd0b4f73d02d02950e83c3b30c63b5eaa58a116ac538f2c21d7af41a
SHA512

3930e253b8dafd7500ec3498311c4fe28752cb3c40182071b2f36fcaa1994f30a1f6016076bf7b370eebc180a47e3fc323d46a219a950b663761a839039f3ce2
SSDEEP

1536:Gobf9jL6nu2X5o3WukErANXzL90+wU3sK5QYE3CmKda1Wk+VrlAiyxXUUfTFJ/1:GobBqJq3ZruXzi+wGstiuAVR5yxXt

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

Executes dropped EXE 2 IoCs

pid	Process
1636	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe
4596	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000022ca9-2.dat	upx
behavioral2/memory/1636-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1636-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0008000000022ca9-7.dat	upx
behavioral2/files/0x0009000000022cd5-10.dat	upx
behavioral2/memory/4596-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000022cd5-11.dat	upx
behavioral2/memory/4596-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxDFE0.tmp	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2016928574"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31067152"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A2D1A02E-7803-11EE-92AA-6A5F8F24FA42} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "405531735"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2129897802"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31067152"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2016928574"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31067152"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe
4596	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3056	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3056	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3056	iexplore.exe
3056	iexplore.exe
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1636	3144	NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe	89
PID 3144 wrote to memory of 1636	3144	NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe	89
PID 3144 wrote to memory of 1636	3144	NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe	89
PID 1636 wrote to memory of 4596	1636	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe	92
PID 1636 wrote to memory of 4596	1636	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe	92
PID 1636 wrote to memory of 4596	1636	NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe	92
PID 4596 wrote to memory of 3056	4596	DesktopLayer.exe	93
PID 4596 wrote to memory of 3056	4596	DesktopLayer.exe	93
PID 3056 wrote to memory of 2708	3056	iexplore.exe	94
PID 3056 wrote to memory of 2708	3056	iexplore.exe	94
PID 3056 wrote to memory of 2708	3056	iexplore.exe	94

C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1636
- - 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:4596
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3056
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2708

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

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.118674738c34e0537a8f49a4413ab9e0_JCSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1636-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1636-5-0x0000000002040000-0x000000000204F000-memory.dmp

Filesize
60KB

Download
memory/1636-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3144-15-0x00000000008A0000-0x00000000008C4000-memory.dmp

Filesize
144KB

Download
memory/3144-0-0x00000000008A0000-0x00000000008C4000-memory.dmp

Filesize
144KB

Download
memory/3144-19-0x00000000008A0000-0x00000000008C4000-memory.dmp

Filesize
144KB

Download
memory/4596-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4596-16-0x0000000077822000-0x0000000077823000-memory.dmp

Filesize
4KB

Download
memory/4596-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4596-14-0x0000000077822000-0x0000000077823000-memory.dmp

Filesize
4KB

Download
memory/4596-13-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download