ramnit | be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928

General

Target

be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe
Size

584KB
MD5

2a85fbcb031dc7ad50efe1be236fbfa0
SHA1

fbc9fb659e049bc2983a2bb75afec2920e77311a
SHA256

be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928
SHA512

c227e4b4654cf1ed4439b2987cf87c2497bac8040e0f1202d366956c9a6731ae3f5db74d3e80e214ffe9a938da3d117ccf44c15886aa169349f7bd32cf472af9
SSDEEP

12288:8aYeiveC8omNZHsyClgmw6z2V7i+FXiqpal:Mw/rc3l

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
788	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe
4508	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e0000000230ac-135.dat	upx
behavioral2/files/0x000e0000000230ac-134.dat	upx
behavioral2/files/0x000b000000023192-137.dat	upx
behavioral2/files/0x000b000000023192-139.dat	upx
behavioral2/memory/788-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4508-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px6D93.tmp	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{79F796A9-698F-11ED-919F-DAD30C974647} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375191927"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe
4508	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4504	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4504	iexplore.exe
4504	iexplore.exe
5004	IEXPLORE.EXE
5004	IEXPLORE.EXE
5004	IEXPLORE.EXE
5004	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 788	868	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe	85
PID 868 wrote to memory of 788	868	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe	85
PID 868 wrote to memory of 788	868	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe	85
PID 788 wrote to memory of 4508	788	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe	86
PID 788 wrote to memory of 4508	788	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe	86
PID 788 wrote to memory of 4508	788	be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe	86
PID 4508 wrote to memory of 4504	4508	DesktopLayer.exe	87
PID 4508 wrote to memory of 4504	4508	DesktopLayer.exe	87
PID 4504 wrote to memory of 5004	4504	iexplore.exe	88
PID 4504 wrote to memory of 5004	4504	iexplore.exe	88
PID 4504 wrote to memory of 5004	4504	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe
"C:\Users\Admin\AppData\Local\Temp\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe
  C:\Users\Admin\AppData\Local\Temp\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:788
- - 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:4508
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4504
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4504 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5004

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\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\be9dac0de4fb3b1ab1492f0d2d983be7091e574017bc3f63c86028c4bec2c928Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/788-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/868-132-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/868-141-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4508-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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