ramnit | b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be

General

Target

b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe
Size

624KB
MD5

3247f028fdec9ef8bf62c216f8dad0b0
SHA1

eea56a2a3cecb48e7eaedba6274a781581d1e32f
SHA256

b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be
SHA512

e5a42d0292cd1451c35e92c540bbda42e057cf95728ebc27ed08717095805809002ad1e57658d5b1a0adecb064365796ed1b0d32231d38faba8c53381aff02f9
SSDEEP

12288:Z/Xyt0MM6q0Q6j9cWGavQbMjgakINgKv3zNV:Z/FMphGXpch3zNV

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
1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe
1720	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000005c50-55.dat	upx
behavioral1/files/0x0007000000005c50-57.dat	upx
behavioral1/files/0x0007000000005c50-59.dat	upx
behavioral1/files/0x00090000000132ee-60.dat	upx
behavioral1/memory/1856-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000132ee-65.dat	upx
behavioral1/memory/1720-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000132ee-62.dat	upx
behavioral1/memory/1720-69-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1708	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe
1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px644F.tmp	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371602687"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{68089591-436E-11ED-8499-660C31E8D015} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1720	DesktopLayer.exe
1720	DesktopLayer.exe
1720	DesktopLayer.exe
1720	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
944	iexplore.exe
944	iexplore.exe
1752	IEXPLORE.EXE
1752	IEXPLORE.EXE
1752	IEXPLORE.EXE
1752	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1856	1708	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe	26
PID 1708 wrote to memory of 1856	1708	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe	26
PID 1708 wrote to memory of 1856	1708	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe	26
PID 1708 wrote to memory of 1856	1708	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe	26
PID 1856 wrote to memory of 1720	1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe	27
PID 1856 wrote to memory of 1720	1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe	27
PID 1856 wrote to memory of 1720	1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe	27
PID 1856 wrote to memory of 1720	1856	b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe	27
PID 1720 wrote to memory of 944	1720	DesktopLayer.exe	28
PID 1720 wrote to memory of 944	1720	DesktopLayer.exe	28
PID 1720 wrote to memory of 944	1720	DesktopLayer.exe	28
PID 1720 wrote to memory of 944	1720	DesktopLayer.exe	28
PID 944 wrote to memory of 1752	944	iexplore.exe	30
PID 944 wrote to memory of 1752	944	iexplore.exe	30
PID 944 wrote to memory of 1752	944	iexplore.exe	30
PID 944 wrote to memory of 1752	944	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe
"C:\Users\Admin\AppData\Local\Temp\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065be.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe
  C:\Users\Admin\AppData\Local\Temp\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1856
- - 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:1720
  - - 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:1752

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\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FGZ8DJTV.txt

Filesize
601B

MD5
d95a904b819a692ba03a2f720a33acc0

SHA1
8e0c8831456acc76c19fdf1e5fd337fd9d3338f4

SHA256
e3e886fb7463ea7b7e4c5c38c18261f6c87953bae3a568d4d3a55f1ac2ac3d80

SHA512
557dc8779a35e231db28f4a078a0134bbed006c04dcec9e04dee928ea86c8ec3ccb91312cf4131f28bbe5ea4dc9cd78d0bc0296f11f9da7333fef1bb24f9d265

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\b6f08791a80f79804a8e4735323393d2e1e65d14113b93ac063b1585917065beSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1708-71-0x00000000001C0000-0x00000000001EE000-memory.dmp

Filesize
184KB

Download
memory/1708-66-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1708-70-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1708-54-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1720-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-67-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1720-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1856-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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