ramnit | 0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96

General

Target

0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe
Size

131KB
MD5

6c1d707260f40d2a1cc616ebf2e5b640
SHA1

ef5c78546885af293729ec6b5b7442f74087a0b8
SHA256

0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96
SHA512

a0bfbfbd1a125053d79ef8059598a908fc4d3300f718b0755b400c0b4d1e1d25dde618c1400a9352622177cca216e6ee0544363468c09e72e977a715a4376a2e
SSDEEP

3072:lp2S3dyG/1YrOujcUGoaVu+zu96tswa1sELvONiKAnepJ:9tRYqubGBuY1cLBW

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
996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
368	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000005c51-54.dat	upx
behavioral1/files/0x0008000000005c51-56.dat	upx
behavioral1/files/0x0008000000005c51-59.dat	upx
behavioral1/memory/1232-58-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/files/0x0008000000015648-60.dat	upx
behavioral1/memory/996-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0008000000015648-62.dat	upx
behavioral1/files/0x0008000000015648-65.dat	upx
behavioral1/memory/368-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1232	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe
996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px32B5.tmp	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371455326"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{52020AE1-4217-11ED-B7DD-7E0305A911F0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
368	DesktopLayer.exe
368	DesktopLayer.exe
368	DesktopLayer.exe
368	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
812	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
812	iexplore.exe
812	iexplore.exe
1652	IEXPLORE.EXE
1652	IEXPLORE.EXE
1652	IEXPLORE.EXE
1652	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 996	1232	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	27
PID 1232 wrote to memory of 996	1232	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	27
PID 1232 wrote to memory of 996	1232	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	27
PID 1232 wrote to memory of 996	1232	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	27
PID 996 wrote to memory of 368	996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	28
PID 996 wrote to memory of 368	996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	28
PID 996 wrote to memory of 368	996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	28
PID 996 wrote to memory of 368	996	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	28
PID 368 wrote to memory of 812	368	DesktopLayer.exe	29
PID 368 wrote to memory of 812	368	DesktopLayer.exe	29
PID 368 wrote to memory of 812	368	DesktopLayer.exe	29
PID 368 wrote to memory of 812	368	DesktopLayer.exe	29
PID 812 wrote to memory of 1652	812	iexplore.exe	31
PID 812 wrote to memory of 1652	812	iexplore.exe	31
PID 812 wrote to memory of 1652	812	iexplore.exe	31
PID 812 wrote to memory of 1652	812	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe
"C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
  C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:996
- - 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:368
  - - 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:812
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:812 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1652

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:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7DQTHBXD.txt

Filesize
608B

MD5
518a8799eeaeb1edf71db3e0c2e33aad

SHA1
35ee7a11866861044c129e664f7051872c0ee17c

SHA256
3413e4c16cb00a09c1833de8fd8a7bd0555a36c27face1fce0a32546221f0465

SHA512
718d9ff9b8a3a8f0e951d18d32a06b2fa4c34c65954404ca9771b33a6787309aa3d223abc5c1afea4749f6ba5ff8cb564259a39ce99eb46cfe476a1ed23e562c

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\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/368-61-0x0000000000000000-mapping.dmp

Download
memory/368-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/996-57-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/996-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/996-55-0x0000000000000000-mapping.dmp

Download
memory/1232-58-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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