ramnit | d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8

General

Target

d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Size

101KB
MD5

4d97f32b75bccb84b251af885be55e20
SHA1

ef6a666e48e935d88b7aab1c65d3cb6a281ae02e
SHA256

d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8
SHA512

a45d25f37a646eae2403a8bc047d1105e21990291b350327daea66d34c20b8408e4a2fc63476e32329e817b8c442a9f99f2a9145cc880391eb930b106f9dbd26
SSDEEP

3072:PBKwcvdwuxdWikJVqtaXC9TrLnMYPxNNp:PBKwcvdnnt19rnDPb

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
1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe
1584	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-55.dat	upx
behavioral1/files/0x000c0000000054a8-57.dat	upx
behavioral1/files/0x000c0000000054a8-59.dat	upx
behavioral1/files/0x00090000000139f2-60.dat	upx
behavioral1/files/0x00090000000139f2-62.dat	upx
behavioral1/memory/1004-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000139f2-65.dat	upx
behavioral1/memory/1584-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1456	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px2695.tmp	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373103026"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A94095A1-5113-11ED-8C74-D6AAFEFD221A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\",1"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\ = "vcard_wab_auto_file"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\ = "vCard File"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\" /vcard %1"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard\Extension = ".vcf"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wab	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\Content Type = "text/x-vcard"	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1584	DesktopLayer.exe
1584	DesktopLayer.exe
1584	DesktopLayer.exe
1584	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1240	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1240	iexplore.exe
1240	iexplore.exe
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1004	1456	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe	27
PID 1456 wrote to memory of 1004	1456	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe	27
PID 1456 wrote to memory of 1004	1456	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe	27
PID 1456 wrote to memory of 1004	1456	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe	27
PID 1004 wrote to memory of 1584	1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe	28
PID 1004 wrote to memory of 1584	1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe	28
PID 1004 wrote to memory of 1584	1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe	28
PID 1004 wrote to memory of 1584	1004	d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe	28
PID 1584 wrote to memory of 1240	1584	DesktopLayer.exe	29
PID 1584 wrote to memory of 1240	1584	DesktopLayer.exe	29
PID 1584 wrote to memory of 1240	1584	DesktopLayer.exe	29
PID 1584 wrote to memory of 1240	1584	DesktopLayer.exe	29
PID 1240 wrote to memory of 1540	1240	iexplore.exe	31
PID 1240 wrote to memory of 1540	1240	iexplore.exe	31
PID 1240 wrote to memory of 1540	1240	iexplore.exe	31
PID 1240 wrote to memory of 1540	1240	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe
"C:\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe
  C:\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1004
- - 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:1584
  - - 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:1240
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1240 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\GH35NWUC.txt

Filesize
608B

MD5
2c4aa7fde8190517c3819595486a776d

SHA1
4931c0e32db9b26aafc309a25115b68fa9ffa3e1

SHA256
841d9dc543fb9b3f485f8cc699e880f4e8211dcab21064ccf666f73eb84a6b50

SHA512
fc2c9756ba9764d1146e455f764e650d7d8fec2a2e78737d31f84266f660f7a85216946b7d64e4b04a45522f0123cb57f283b02212a6e12c92088e4775c31860

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\d06bc598541818e9fb4d5d1f810eced3b3f4b707d737c60f2cbc990b8ab575a8Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1004-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1456-54-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/1456-67-0x0000000001000000-0x000000000101D000-memory.dmp

Filesize
116KB

Download
memory/1456-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1456-69-0x0000000071A31000-0x0000000071A33000-memory.dmp

Filesize
8KB

Download
memory/1456-70-0x0000000001000000-0x000000000101D000-memory.dmp

Filesize
116KB

Download
memory/1584-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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