ramnit | ae36e499a579338a2df82c897bdab448fc8202ff31449890d5778ea21bd98fd4

Analysis

max time kernel
104s
max time network
150s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 10:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ae36e499a579338a2df82c897bdab448fc8202ff31449890d5778ea21bd98fd4.dll
Size

476KB
MD5

31d7f2a2cc2303feb428c7623a2ec830
SHA1

cfbd12cee9cf80ba712b163a5977b63eb8d9e188
SHA256

ae36e499a579338a2df82c897bdab448fc8202ff31449890d5778ea21bd98fd4
SHA512

41b44deee0f73188b302c8afd972243f1b2e86367c75831f357e4b0029e536886b0cef61e24afdcb82b7f9c6ca7e881fb6197e5d7a0eb421187c6991ed9dcd18
SSDEEP

12288:clVvN1QWguohInJDrn8zwNF7eCrVArfQWZrefUfGw:+2Sxrn80NF77cQWZrefUfGw

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 3 IoCs

pid	Process
1724	rundll32mgr.exe
1340	rundll32Srv.exe
588	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a0000000122f5-60.dat	upx
behavioral1/files/0x000a0000000122f5-62.dat	upx
behavioral1/files/0x000a0000000122f5-64.dat	upx
behavioral1/files/0x00090000000122fb-66.dat	upx
behavioral1/files/0x00090000000122fb-69.dat	upx
behavioral1/memory/1340-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000122fb-71.dat	upx
behavioral1/memory/588-72-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1596	rundll32.exe
1596	rundll32.exe
1596	rundll32.exe
1340	rundll32Srv.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
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\px35A2.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	1596	WerFault.exe	28

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{322FA601-6990-11ED-A1DD-EA20C184BE27} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375795331"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
588	DesktopLayer.exe
588	DesktopLayer.exe
588	DesktopLayer.exe
588	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
628	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
628	iexplore.exe
628	iexplore.exe
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 788 wrote to memory of 1596	788	rundll32.exe	28
PID 1596 wrote to memory of 1724	1596	rundll32.exe	29
PID 1596 wrote to memory of 1724	1596	rundll32.exe	29
PID 1596 wrote to memory of 1724	1596	rundll32.exe	29
PID 1596 wrote to memory of 1724	1596	rundll32.exe	29
PID 1596 wrote to memory of 1340	1596	rundll32.exe	30
PID 1596 wrote to memory of 1340	1596	rundll32.exe	30
PID 1596 wrote to memory of 1340	1596	rundll32.exe	30
PID 1596 wrote to memory of 1340	1596	rundll32.exe	30
PID 1596 wrote to memory of 1708	1596	rundll32.exe	31
PID 1596 wrote to memory of 1708	1596	rundll32.exe	31
PID 1596 wrote to memory of 1708	1596	rundll32.exe	31
PID 1596 wrote to memory of 1708	1596	rundll32.exe	31
PID 1340 wrote to memory of 588	1340	rundll32Srv.exe	32
PID 1340 wrote to memory of 588	1340	rundll32Srv.exe	32
PID 1340 wrote to memory of 588	1340	rundll32Srv.exe	32
PID 1340 wrote to memory of 588	1340	rundll32Srv.exe	32
PID 588 wrote to memory of 628	588	DesktopLayer.exe	33
PID 588 wrote to memory of 628	588	DesktopLayer.exe	33
PID 588 wrote to memory of 628	588	DesktopLayer.exe	33
PID 588 wrote to memory of 628	588	DesktopLayer.exe	33
PID 628 wrote to memory of 1072	628	iexplore.exe	35
PID 628 wrote to memory of 1072	628	iexplore.exe	35
PID 628 wrote to memory of 1072	628	iexplore.exe	35
PID 628 wrote to memory of 1072	628	iexplore.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae36e499a579338a2df82c897bdab448fc8202ff31449890d5778ea21bd98fd4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae36e499a579338a2df82c897bdab448fc8202ff31449890d5778ea21bd98fd4.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:1724
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1340
  - - 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:588
    - - 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:628
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:628 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 228
    3⤵
    - Program crash
    PID:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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\Roaming\Microsoft\Windows\Cookies\JNKJZIL0.txt

Filesize
601B

MD5
70ce5603cdb82434caefd46ba1c35c8c

SHA1
2ac4cb759058aedb1feb9270a888664365e620c8

SHA256
3c66cd878acf999ef50a18ec2d17854aea93cbbcd59f71b02ad67c870aeeae59

SHA512
3e0a6f1771a468222ad5f6310e17764ce08ffa7b2cb0a9abb158b46aaca39e93a2c0fa7a159befc6b63eba0a2867c5fdcd0ff58098364c30763925be38befdea

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
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
73KB

MD5
9df5f7fb921486c04781cad71d7db727

SHA1
9ed18300776a2397e586073a95e7e992f031a25a

SHA256
eed3c298db97d168df30af01e8da55b325eace743a954950ce4cd83412593b0f

SHA512
1267c2062ad742a446da93919df01af07b2e53b678f9e74511e174ac8f1a2e19b70651ecc16a913402d298e4b65a08d1f41316c55d8f0a9fb38010b268a5be2d

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
73KB

MD5
9df5f7fb921486c04781cad71d7db727

SHA1
9ed18300776a2397e586073a95e7e992f031a25a

SHA256
eed3c298db97d168df30af01e8da55b325eace743a954950ce4cd83412593b0f

SHA512
1267c2062ad742a446da93919df01af07b2e53b678f9e74511e174ac8f1a2e19b70651ecc16a913402d298e4b65a08d1f41316c55d8f0a9fb38010b268a5be2d

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
73KB

MD5
9df5f7fb921486c04781cad71d7db727

SHA1
9ed18300776a2397e586073a95e7e992f031a25a

SHA256
eed3c298db97d168df30af01e8da55b325eace743a954950ce4cd83412593b0f

SHA512
1267c2062ad742a446da93919df01af07b2e53b678f9e74511e174ac8f1a2e19b70651ecc16a913402d298e4b65a08d1f41316c55d8f0a9fb38010b268a5be2d

Download Submit
memory/588-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1340-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1596-73-0x000000007C360000-0x000000007C3D8000-memory.dmp

Filesize
480KB

Download
memory/1596-74-0x0000000000160000-0x000000000018E000-memory.dmp

Filesize
184KB

Download
memory/1596-75-0x0000000000160000-0x000000000018E000-memory.dmp

Filesize
184KB

Download
memory/1596-55-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download