ramnit | 886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7

General

Target

886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe
Size

1.2MB
MD5

0ba8d3f871f966a8bf529f7b18ffeff0
SHA1

781d09b67e791952f76df45d7fa7064d070663f4
SHA256

886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7
SHA512

1b9fa41d547df5c01e2caa188b83b355aa42283704a3524f052ed2c0b9ed5c3520aa27de506654b378a62cfa0de19db68d74c2ccb7ede13386840971f7c12c65
SSDEEP

24576:ZAoW9Qgy/6t09quYZlO6qz1k1t7YIyBnMMMMMMAaj+U:pYZuYKRzq1xYvMMMMMMTj

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
376	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe
1900	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000022dff-134.dat	upx
behavioral2/files/0x000c000000022dff-135.dat	upx
behavioral2/files/0x0008000000022e3d-137.dat	upx
behavioral2/memory/1900-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/376-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0008000000022e3d-143.dat	upx
behavioral2/memory/1900-145-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD239.tmp	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.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 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{165B37B5-571A-11ED-89AC-F6DE28FD18F9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe
1900	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
212	iexplore.exe
212	iexplore.exe
3116	IEXPLORE.EXE
3116	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 376	5020	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe	81
PID 5020 wrote to memory of 376	5020	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe	81
PID 5020 wrote to memory of 376	5020	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe	81
PID 376 wrote to memory of 1900	376	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe	82
PID 376 wrote to memory of 1900	376	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe	82
PID 376 wrote to memory of 1900	376	886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe	82
PID 1900 wrote to memory of 212	1900	DesktopLayer.exe	85
PID 1900 wrote to memory of 212	1900	DesktopLayer.exe	85
PID 212 wrote to memory of 3116	212	iexplore.exe	86
PID 212 wrote to memory of 3116	212	iexplore.exe	86
PID 212 wrote to memory of 3116	212	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe
"C:\Users\Admin\AppData\Local\Temp\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe
  C:\Users\Admin\AppData\Local\Temp\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:376
- - 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:1900
  - - 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:212
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:212 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3116

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

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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\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\886cd62b04258a05732aed7dcdc60c2ae5d761841c283cae3178ee56d68b30a7Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/376-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/376-142-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/376-139-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/1900-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1900-145-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1900-144-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1900-146-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/5020-141-0x0000000000780000-0x0000000000955000-memory.dmp

Filesize
1.8MB

Download
memory/5020-132-0x0000000000780000-0x0000000000955000-memory.dmp

Filesize
1.8MB

Download

Analysis

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