ramnit | 380232c4d78e4c015ab8469ff62c8f2d4d44f2ebbc3aca0baf26d785402d87dc

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 09:30

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General

Target

380232c4d78e4c015ab8469ff62c8f2d4d44f2ebbc3aca0baf26d785402d87dc.dll
Size

353KB
MD5

c04f67210a558c26d0132036cb2d0c25
SHA1

5896f685f25d4908826960d5dd3e0e82ce2e00c1
SHA256

380232c4d78e4c015ab8469ff62c8f2d4d44f2ebbc3aca0baf26d785402d87dc
SHA512

825857f3e8020003cd6bf2acac6be61e3174be77ed9aeea77f8cfb6e277d601abdb575f84fac5df3683d225df9902e048a05c10254519170bf811e5917d9b2cd
SSDEEP

6144:O1HCQc7/p7NthksJroUcdp1bw/uu+eLDXfbrTrzDIPS0iYrp1Hfmn1T:O1HCQOTthksJroUmp1bw/5DXfbzz0PSn

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
1272	rundll32Srv.exe
4620	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1272-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000600000001da78-3.dat	upx
behavioral2/memory/1272-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4620-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4620-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4620-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px6FA2.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1284	3556	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1D23F6CA-FC9D-11EE-AD03-5A63910E382D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31101097"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4053518770"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4080396357"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4053518770"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101097"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\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-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101097"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420111199"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe
4620	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1952	iexplore.exe
1952	iexplore.exe
3740	IEXPLORE.EXE
3740	IEXPLORE.EXE
3740	IEXPLORE.EXE
3740	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 3556	1724	rundll32.exe	85
PID 1724 wrote to memory of 3556	1724	rundll32.exe	85
PID 1724 wrote to memory of 3556	1724	rundll32.exe	85
PID 3556 wrote to memory of 1272	3556	rundll32.exe	87
PID 3556 wrote to memory of 1272	3556	rundll32.exe	87
PID 3556 wrote to memory of 1272	3556	rundll32.exe	87
PID 1272 wrote to memory of 4620	1272	rundll32Srv.exe	90
PID 1272 wrote to memory of 4620	1272	rundll32Srv.exe	90
PID 1272 wrote to memory of 4620	1272	rundll32Srv.exe	90
PID 4620 wrote to memory of 1952	4620	DesktopLayer.exe	91
PID 4620 wrote to memory of 1952	4620	DesktopLayer.exe	91
PID 1952 wrote to memory of 3740	1952	iexplore.exe	94
PID 1952 wrote to memory of 3740	1952	iexplore.exe	94
PID 1952 wrote to memory of 3740	1952	iexplore.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\380232c4d78e4c015ab8469ff62c8f2d4d44f2ebbc3aca0baf26d785402d87dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\380232c4d78e4c015ab8469ff62c8f2d4d44f2ebbc3aca0baf26d785402d87dc.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3556
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1272
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4620
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1952
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1952 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 632
    3⤵
    - Program crash
    PID:1284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3556 -ip 3556
1⤵
PID:3876

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1FEO3GJB\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
42bacbdf56184c2fa5fe6770857e2c2d

SHA1
521a63ee9ce2f615eda692c382b16fc1b1d57cac

SHA256
d1a57e19ddb9892e423248cc8ff0c4b1211d22e1ccad6111fcac218290f246f0

SHA512
0ab916dd15278e51bccfd2ccedd80d942b0bddb9544cec3f73120780d4f7234ff7456530e1465caf3846616821d1b385b6ae58a5dff9ffe4d622902c24fd4b71

Download Submit
memory/1272-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1272-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1272-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/3556-19-0x0000000010000000-0x000000001005E000-memory.dmp

Filesize
376KB

Download
memory/3556-1-0x0000000010000000-0x000000001005E000-memory.dmp

Filesize
376KB

Download
memory/4620-16-0x0000000077EC2000-0x0000000077EC3000-memory.dmp

Filesize
4KB

Download
memory/4620-14-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/4620-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4620-18-0x0000000000660000-0x000000000066F000-memory.dmp

Filesize
60KB

Download
memory/4620-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4620-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download