ramnit | 6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf

Analysis

max time kernel
107s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 12:13

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General

Target

6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
Size

563KB
MD5

479afc9b85f6f79ddf3a1c77485608e0
SHA1

06fc0786770f9169bf66e803563755e3e3393cf4
SHA256

6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf
SHA512

d457910c793ecf2dc25079e7b464a2cbc574c54117ee9f99050737384e20f105de607371183568884ba89db1fff546b6e9ae886147ac402a6d3c4831830e1666
SSDEEP

12288:WrnkzL6RcJq3U+LKyB/AGBZrTBSn7q8G8luor8S+mGvpB4wrj:WoQcJj8KwBSn+Iw3SpUDP

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
1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe
1500	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-55.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/files/0x00140000000054ab-59.dat	upx
behavioral1/files/0x000a0000000122fa-60.dat	upx
behavioral1/memory/1780-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a0000000122fa-63.dat	upx
behavioral1/files/0x000a0000000122fa-65.dat	upx
behavioral1/memory/1500-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC70.tmp	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.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 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372279401"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{04AF9011-4996-11ED-9F1A-42A98B637845} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1500	DesktopLayer.exe
1500	DesktopLayer.exe
1500	DesktopLayer.exe
1500	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
2044	iexplore.exe
2044	iexplore.exe
1000	IEXPLORE.EXE
1000	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1780	1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe	28
PID 1520 wrote to memory of 1780	1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe	28
PID 1520 wrote to memory of 1780	1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe	28
PID 1520 wrote to memory of 1780	1520	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe	28
PID 1780 wrote to memory of 1500	1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe	29
PID 1780 wrote to memory of 1500	1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe	29
PID 1780 wrote to memory of 1500	1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe	29
PID 1780 wrote to memory of 1500	1780	6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe	29
PID 1500 wrote to memory of 2044	1500	DesktopLayer.exe	30
PID 1500 wrote to memory of 2044	1500	DesktopLayer.exe	30
PID 1500 wrote to memory of 2044	1500	DesktopLayer.exe	30
PID 1500 wrote to memory of 2044	1500	DesktopLayer.exe	30
PID 2044 wrote to memory of 1000	2044	iexplore.exe	32
PID 2044 wrote to memory of 1000	2044	iexplore.exe	32
PID 2044 wrote to memory of 1000	2044	iexplore.exe	32
PID 2044 wrote to memory of 1000	2044	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe
"C:\Users\Admin\AppData\Local\Temp\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cf.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe
  C:\Users\Admin\AppData\Local\Temp\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1780
- - 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:1500
  - - 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:2044
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

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\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\PLDH89KA.txt

Filesize
608B

MD5
fcd0fa5f87401d9a667f84c09e6cdcb6

SHA1
6d1913418ad8bd1132fac090f8cd68ab46f342fb

SHA256
94dca8df5fa3e10830cb058e65acce2201955130d1ac7c4b20f719fdd3224329

SHA512
8360a32aaecd24509812d08f6c3375dd7e1e1d68fcc6d709c9e56b2b1f3571bfbf1b234a134279bdb99ffe1d064dbd79440e5d289b9532cb9ade8dda727fe570

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\6cc446035e3c53d9b6c1962abe7c8970e2be0ff0ec2cc5eb9bed4d4dc0c907cfSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1500-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1520-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1520-67-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/1520-68-0x00000000002C0000-0x00000000002EE000-memory.dmp

Filesize
184KB

Download
memory/1520-71-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/1520-72-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/1520-73-0x00000000002C0000-0x00000000002EE000-memory.dmp

Filesize
184KB

Download
memory/1520-74-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/1780-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download