ramnit | a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14

Analysis

max time kernel
97s
max time network
136s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 10:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe
Size

892KB
MD5

1bef42c95ca61b738b459b9c48f7c1e0
SHA1

1c2119f0c5fac62a54a78dbd9cfa32018a917aa7
SHA256

a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14
SHA512

e58f0bda2985fc7641ab6f69e85a5125b7ce86dffd9e90a29539663d0924f14b32453fdcc8d65389fbb88818083136f12dccda4c8c38058cf957623ee8c2413a
SSDEEP

24576:aQRvNENgL3cxDgUEesiHYo5OrP5+KtK930UZI/Z:pEjVgUEesiHYo5OrP5+KtK930UZq

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
1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe
956	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012314-55.dat	upx
behavioral1/files/0x000b000000012314-57.dat	upx
behavioral1/files/0x000b000000012314-59.dat	upx
behavioral1/memory/1972-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a00000001232f-63.dat	upx
behavioral1/files/0x000a00000001232f-61.dat	upx
behavioral1/files/0x000a00000001232f-66.dat	upx
behavioral1/memory/956-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1948	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe
1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px4F1.tmp	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375795537"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{AD2BF661-6990-11ED-A647-D60BF964997B} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
956	DesktopLayer.exe
956	DesktopLayer.exe
956	DesktopLayer.exe
956	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
888	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
888	iexplore.exe
888	iexplore.exe
1096	IEXPLORE.EXE
1096	IEXPLORE.EXE
1096	IEXPLORE.EXE
1096	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1972	1948	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe	28
PID 1948 wrote to memory of 1972	1948	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe	28
PID 1948 wrote to memory of 1972	1948	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe	28
PID 1948 wrote to memory of 1972	1948	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe	28
PID 1972 wrote to memory of 956	1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe	29
PID 1972 wrote to memory of 956	1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe	29
PID 1972 wrote to memory of 956	1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe	29
PID 1972 wrote to memory of 956	1972	a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe	29
PID 956 wrote to memory of 888	956	DesktopLayer.exe	30
PID 956 wrote to memory of 888	956	DesktopLayer.exe	30
PID 956 wrote to memory of 888	956	DesktopLayer.exe	30
PID 956 wrote to memory of 888	956	DesktopLayer.exe	30
PID 888 wrote to memory of 1096	888	iexplore.exe	32
PID 888 wrote to memory of 1096	888	iexplore.exe	32
PID 888 wrote to memory of 1096	888	iexplore.exe	32
PID 888 wrote to memory of 1096	888	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe
"C:\Users\Admin\AppData\Local\Temp\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe
  C:\Users\Admin\AppData\Local\Temp\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:956
  - - 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:888
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:888 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1096

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

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\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\S14LCORY.txt

Filesize
608B

MD5
a90928fddd1b8ac21dd00cd1a1eb77a2

SHA1
2514bed91430c5d0ae91ee35e681c50e373a17f0

SHA256
6785fdd7e818435c4eb0d549a8a34d0814ae206e84206cbf2dbabee54061505c

SHA512
43fcc67be90ed56506855ed898caad91f95179daa8303684f0eb1dea5be6b870b01cd9743fda1852e9a24179577d1ba1c337842010a13384d310d015c80a3ced

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\a15b4af5b1f2fe5f6eaccf86d456611082eebfe77c9f13251d4763049e914c14Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/956-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1948-60-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/1948-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1972-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download