ramnit | 68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9

Analysis

max time kernel
128s
max time network
186s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 04:54

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General

Target

68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
Size

260KB
MD5

6c92b95871f957f1e45f0a77c40b2f10
SHA1

054663bb08aa137e1080fff4282815e3602e92b1
SHA256

68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9
SHA512

13ba0c9616701d8047b01e69fdb60ffea134edcc55c2a16c9e23ccc5474e9b32f00535e143631c2f3d8dca3c6b432d83dd0bfc1be48b3e4dd72a36b19c75bec0
SSDEEP

3072:GtKtfMCYS0RbCYV439PXfeoeboe2M51ec3J:G9CYS0RbCYVuPeLboeH5FZ

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
1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
624	DesktopLayer.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-54.dat	upx
behavioral1/files/0x00140000000054ab-55.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/memory/1532-62-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral1/files/0x00140000000054ab-63.dat	upx
behavioral1/files/0x0007000000014159-64.dat	upx
behavioral1/files/0x0007000000014159-65.dat	upx
behavioral1/memory/1532-68-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral1/files/0x0007000000014159-67.dat	upx
behavioral1/files/0x0007000000014159-70.dat	upx
behavioral1/memory/624-71-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA47A.tmp	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371462178"	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\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	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\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{434D69D1-4227-11ED-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\LowRegistry\DontShowMeThisDialogAgain	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
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\InternetRegistry	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\Main\CompatibilityFlags = "0"	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\DomainSuggestion	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\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\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\BrowserEmulation\LowMic	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
624	DesktopLayer.exe
624	DesktopLayer.exe
624	DesktopLayer.exe
624	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1308	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1308	iexplore.exe
1308	iexplore.exe
1020	IEXPLORE.EXE
1020	IEXPLORE.EXE
1020	IEXPLORE.EXE
1020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 1532	1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	27
PID 1176 wrote to memory of 1532	1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	27
PID 1176 wrote to memory of 1532	1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	27
PID 1176 wrote to memory of 1532	1176	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	27
PID 1532 wrote to memory of 624	1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	28
PID 1532 wrote to memory of 624	1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	28
PID 1532 wrote to memory of 624	1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	28
PID 1532 wrote to memory of 624	1532	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	28
PID 624 wrote to memory of 1308	624	DesktopLayer.exe	29
PID 624 wrote to memory of 1308	624	DesktopLayer.exe	29
PID 624 wrote to memory of 1308	624	DesktopLayer.exe	29
PID 624 wrote to memory of 1308	624	DesktopLayer.exe	29
PID 1308 wrote to memory of 1020	1308	iexplore.exe	31
PID 1308 wrote to memory of 1020	1308	iexplore.exe	31
PID 1308 wrote to memory of 1020	1308	iexplore.exe	31
PID 1308 wrote to memory of 1020	1308	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
"C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
  C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1532
- - 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:624
  - - 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:1308
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1308 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\XUFKYN6Z.txt

Filesize
598B

MD5
248314ee1f71737e1786e111c707f496

SHA1
aea908d5005bfd484096aaf8cf0e8745dc557cd6

SHA256
d5fc4b2829758c6339c740c3e16de712b4d311ffd3faa07698fa9ea8e92eeb71

SHA512
c3587be1436de23fda339cca259f7d859d3a957a4dc7a71dfc2e8c6d64c951f4fde5aac341672be4a0d362ca17007fb82770c96bd20758f1bc2d13fe2a7ab4d9

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
memory/624-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1176-59-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1176-60-0x0000000000230000-0x000000000025F000-memory.dmp

Filesize
188KB

Download
memory/1176-61-0x0000000000230000-0x000000000025F000-memory.dmp

Filesize
188KB

Download
memory/1176-72-0x0000000000230000-0x000000000025F000-memory.dmp

Filesize
188KB

Download
memory/1532-58-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1532-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1532-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download