ramnit | 1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281

General

Target

1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe
Size

452KB
MD5

4a41bc9564001c2223e94a9bc2f80bc0
SHA1

86106c6b2bfb27e716f7664f920c64f9389b6e79
SHA256

1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281
SHA512

a8ec458acedcad5e55a87a5200f4e4222d502b8b83ebf2938a23498e1e4df81b073051439d0b67ecf31e6081c1ff91aea742e105c9363ecdeae42ffb84472716
SSDEEP

12288:TtcZiSnQDRwnzDhJmFur16KAZM+BPfTX:TUnUo+up6KAZFBTX

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
1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe
316	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/0x0007000000014159-60.dat	upx
behavioral1/memory/1756-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0007000000014159-62.dat	upx
behavioral1/files/0x0007000000014159-66.dat	upx
behavioral1/memory/316-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1000	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe
1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB2BD.tmp	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.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
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	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
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\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{475DE2F1-51D3-11ED-84FB-6AB3F8C7EA51} = "0"	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\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373185356"	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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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
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\PageSetup	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\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
316	DesktopLayer.exe
316	DesktopLayer.exe
316	DesktopLayer.exe
316	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1616	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1616	iexplore.exe
1616	iexplore.exe
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 1756	1000	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe	28
PID 1000 wrote to memory of 1756	1000	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe	28
PID 1000 wrote to memory of 1756	1000	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe	28
PID 1000 wrote to memory of 1756	1000	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe	28
PID 1756 wrote to memory of 316	1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe	29
PID 1756 wrote to memory of 316	1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe	29
PID 1756 wrote to memory of 316	1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe	29
PID 1756 wrote to memory of 316	1756	1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe	29
PID 316 wrote to memory of 1616	316	DesktopLayer.exe	30
PID 316 wrote to memory of 1616	316	DesktopLayer.exe	30
PID 316 wrote to memory of 1616	316	DesktopLayer.exe	30
PID 316 wrote to memory of 1616	316	DesktopLayer.exe	30
PID 1616 wrote to memory of 1152	1616	iexplore.exe	32
PID 1616 wrote to memory of 1152	1616	iexplore.exe	32
PID 1616 wrote to memory of 1152	1616	iexplore.exe	32
PID 1616 wrote to memory of 1152	1616	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe
"C:\Users\Admin\AppData\Local\Temp\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe
  C:\Users\Admin\AppData\Local\Temp\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1756
- - 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:316
  - - 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:1616
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1616 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1152

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

Loading Replay Monitor...

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\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\JMO12YQC.txt

Filesize
603B

MD5
1a06c42eb01e0e29ed2e7ead26c25151

SHA1
389d1f9edc8e71e502ba344c50eb73c74aaa29db

SHA256
a0002a2a7e7eb6ada8f00f05ff37118c9fe2faa8daa46b9137a9107a2f7b9d8a

SHA512
ae1acd158a81bda2f2245d2da5303f60947599d118bf4f2b8000f50c745da76d9b531b164abc673a4b32d2a049e47af2545a4df524e097349607ec40352318a8

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\1160a39ac9d34e4c1ad1cf2904bb95cb9a4d3bfc6838a5ea4f8d376de8d87281Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/316-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1000-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1000-65-0x00000000009E0000-0x0000000000A66000-memory.dmp

Filesize
536KB

Download
memory/1756-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing