ramnit | 322066b510daad39226a5013683c09c7584314a70698a061814d45b3d8e2e94b

General

Target

????????SP1.exe
Size

2.2MB
MD5

d9cf40b79a6cd5d19bd9b636cf985458
SHA1

67aa166e25423854964d6e2ab6e99fc48fd67363
SHA256

5505996b4df80a9ac17ff69b7d2650ad2d88ca0bf7cf4f7c1b7766fe20931203
SHA512

972ae0b55a018937764fef71fd0cc946a20cb7ab531cc4042852e5125e74ac745250dc082c9c223ab9715994200c98bcde3b108499213fdf6a261ff63c827fe3

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
912	________SP1Srv.exe
1352	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral3/files/0x0005000000004ed7-56.dat	upx
behavioral3/files/0x0005000000004ed7-58.dat	upx
behavioral3/files/0x0005000000004ed7-60.dat	upx
behavioral3/memory/912-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral3/files/0x0008000000013475-63.dat	upx
behavioral3/files/0x0008000000013475-61.dat	upx
behavioral3/files/0x0008000000013475-66.dat	upx
behavioral3/memory/1352-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1000	________SP1.exe
912	________SP1Srv.exe
1000	________SP1.exe
1000	________SP1.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ESPI11.dll	________SP1.exe
File opened for modification	C:\Windows\SysWOW64\ESPI11.dll	________SP1.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px499F.tmp	________SP1Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	________SP1Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	________SP1Srv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{99C0C3F1-F080-11EC-B7F1-DEAEF166B17F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "361881461"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1352	DesktopLayer.exe
1352	DesktopLayer.exe
1352	DesktopLayer.exe
1352	DesktopLayer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1000	________SP1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1000	________SP1.exe
1000	________SP1.exe
944	iexplore.exe
944	iexplore.exe
560	IEXPLORE.EXE
560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 912	1000	________SP1.exe	27
PID 1000 wrote to memory of 912	1000	________SP1.exe	27
PID 1000 wrote to memory of 912	1000	________SP1.exe	27
PID 1000 wrote to memory of 912	1000	________SP1.exe	27
PID 912 wrote to memory of 1352	912	________SP1Srv.exe	28
PID 912 wrote to memory of 1352	912	________SP1Srv.exe	28
PID 912 wrote to memory of 1352	912	________SP1Srv.exe	28
PID 912 wrote to memory of 1352	912	________SP1Srv.exe	28
PID 1352 wrote to memory of 944	1352	DesktopLayer.exe	29
PID 1352 wrote to memory of 944	1352	DesktopLayer.exe	29
PID 1352 wrote to memory of 944	1352	DesktopLayer.exe	29
PID 1352 wrote to memory of 944	1352	DesktopLayer.exe	29
PID 944 wrote to memory of 560	944	iexplore.exe	31
PID 944 wrote to memory of 560	944	iexplore.exe	31
PID 944 wrote to memory of 560	944	iexplore.exe	31
PID 944 wrote to memory of 560	944	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\________SP1.exe
"C:\Users\Admin\AppData\Local\Temp\________SP1.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\________SP1Srv.exe
  C:\Users\Admin\AppData\Local\Temp\________SP1Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:912
- - 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:1352
  - - 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:944
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:944 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:560

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\________SP1Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\________SP1Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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\________SP1Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\am.dll

Filesize
120KB

MD5
b4c2caaa15d4e505ad2858ab15eafb58

SHA1
a1c30a4d016f1c6bd3bf50e36767af8af166d59b

SHA256
93e03eadd330242f2394c15cd32857194e5b80f6300835ef77f8558ca70a2ef1

SHA512
09b5903a579685522a521cec3b6026ab0d7b9cff3099f032254dbd2b48fbbdd9a7411c0765049784c64f520d41916e681cae206a736b4fab1868f449e84b4bf2

Download Submit
\Windows\SysWOW64\ESPI11.dll

Filesize
120KB

MD5
b4c2caaa15d4e505ad2858ab15eafb58

SHA1
a1c30a4d016f1c6bd3bf50e36767af8af166d59b

SHA256
93e03eadd330242f2394c15cd32857194e5b80f6300835ef77f8558ca70a2ef1

SHA512
09b5903a579685522a521cec3b6026ab0d7b9cff3099f032254dbd2b48fbbdd9a7411c0765049784c64f520d41916e681cae206a736b4fab1868f449e84b4bf2

Download Submit
memory/912-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1000-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1000-55-0x0000000000400000-0x0000000000690000-memory.dmp

Filesize
2.6MB

Download
memory/1000-70-0x0000000000400000-0x0000000000690000-memory.dmp

Filesize
2.6MB

Download
memory/1352-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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