ramnit | 00e3004d3aadc34a972397e6cf225149ceef640ca3dff22feb2a1bc7cf21bcaa

General

Target

00e3004d3aadc34a972397e6cf225149ceef640ca3dff22feb2a1bc7cf21bcaa.dll
Size

168KB
MD5

0a6225e7ff1df82842d2f4203c2d16d0
SHA1

0bd6c0b1ce6c2cbdc3cfd495183d4db68d0a4888
SHA256

00e3004d3aadc34a972397e6cf225149ceef640ca3dff22feb2a1bc7cf21bcaa
SHA512

e202187ce525061b92e5af4b2188321e2880259a91b750c639f489966ff72e2d83aefe5ce97d9bd88fc854d580157c34a0bab2cd597fbc5559082ca1d73e535d
SSDEEP

3072:YPF4dLsgbe4ZB6Z1ruIgnnoKZxFnZ2rX16/Uw0+5VWJCZSSYC:IF4j6ruFn5FErX1DpxCj

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
2700	rundll32Srv.exe
1544	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000022637-134.dat	upx
behavioral2/files/0x0006000000022637-135.dat	upx
behavioral2/files/0x0009000000022df4-137.dat	upx
behavioral2/memory/2700-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000022df4-139.dat	upx
behavioral2/memory/1544-140-0x0000000000400000-0x000000000042E000-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\px6D65.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1BD9FF0D-6997-11ED-B696-72E07057041D} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366488705"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe
1544	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2288	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2288	iexplore.exe
2288	iexplore.exe
4504	IEXPLORE.EXE
4504	IEXPLORE.EXE
4504	IEXPLORE.EXE
4504	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 4364	3196	rundll32.exe	77
PID 3196 wrote to memory of 4364	3196	rundll32.exe	77
PID 3196 wrote to memory of 4364	3196	rundll32.exe	77
PID 4364 wrote to memory of 2700	4364	rundll32.exe	78
PID 4364 wrote to memory of 2700	4364	rundll32.exe	78
PID 4364 wrote to memory of 2700	4364	rundll32.exe	78
PID 2700 wrote to memory of 1544	2700	rundll32Srv.exe	79
PID 2700 wrote to memory of 1544	2700	rundll32Srv.exe	79
PID 2700 wrote to memory of 1544	2700	rundll32Srv.exe	79
PID 1544 wrote to memory of 2288	1544	DesktopLayer.exe	80
PID 1544 wrote to memory of 2288	1544	DesktopLayer.exe	80
PID 2288 wrote to memory of 4504	2288	iexplore.exe	81
PID 2288 wrote to memory of 4504	2288	iexplore.exe	81
PID 2288 wrote to memory of 4504	2288	iexplore.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e3004d3aadc34a972397e6cf225149ceef640ca3dff22feb2a1bc7cf21bcaa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e3004d3aadc34a972397e6cf225149ceef640ca3dff22feb2a1bc7cf21bcaa.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4364
- - 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:2700
  - - 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:1544
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2288
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2288 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4504

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1544-136-0x0000000000000000-mapping.dmp

Download
memory/1544-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2700-133-0x0000000000000000-mapping.dmp

Download
memory/2700-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4364-132-0x0000000000000000-mapping.dmp

Download

Analysis

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