ramnit | f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c

Analysis

max time kernel
109s
max time network
148s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 02:33

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General

Target

f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
Size

800KB
MD5

a4222597f5998e5a67970ead2f43315f
SHA1

904105272faeafd9822354ddf2c80382dfc7245d
SHA256

f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c
SHA512

34bdcde0256f49bd3057e84690d395d4e964d8793e24e378d995e6de557862217b94d6afe3130fd4d1151edccc193c4152db7529d1134d3e1eb21069b4b845b6
SSDEEP

12288:Mx5lsGRDzfa03lc9G6dHSJnxJcQ1LlvT7ps1shQa:MnRHft3lc9+JL1e1sh

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
1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe
2000	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/memory/1872-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00070000000149b7-62.dat	upx
behavioral1/files/0x00070000000149b7-60.dat	upx
behavioral1/files/0x00070000000149b7-65.dat	upx
behavioral1/memory/2000-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px1DED.tmp	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe

Modifies Internet Explorer settings 1 TTPs 29 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\LowRegistry	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D2EE9561-6E9F-11ED-A645-626C2AE6DC56} = "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\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\Zoom	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\Recovery\PendingRecovery	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\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
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\Main	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.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\Main\WindowsSearch	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 = "376351801"	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\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2000	DesktopLayer.exe
2000	DesktopLayer.exe
2000	DesktopLayer.exe
2000	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1976	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
1976	iexplore.exe
1976	iexplore.exe
752	IEXPLORE.EXE
752	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 1872	1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe	27
PID 1172 wrote to memory of 1872	1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe	27
PID 1172 wrote to memory of 1872	1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe	27
PID 1172 wrote to memory of 1872	1172	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe	27
PID 1872 wrote to memory of 2000	1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe	28
PID 1872 wrote to memory of 2000	1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe	28
PID 1872 wrote to memory of 2000	1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe	28
PID 1872 wrote to memory of 2000	1872	f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe	28
PID 2000 wrote to memory of 1976	2000	DesktopLayer.exe	29
PID 2000 wrote to memory of 1976	2000	DesktopLayer.exe	29
PID 2000 wrote to memory of 1976	2000	DesktopLayer.exe	29
PID 2000 wrote to memory of 1976	2000	DesktopLayer.exe	29
PID 1976 wrote to memory of 752	1976	iexplore.exe	31
PID 1976 wrote to memory of 752	1976	iexplore.exe	31
PID 1976 wrote to memory of 752	1976	iexplore.exe	31
PID 1976 wrote to memory of 752	1976	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe
"C:\Users\Admin\AppData\Local\Temp\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465c.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe
  C:\Users\Admin\AppData\Local\Temp\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1872
- - 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:2000
  - - 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:1976
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:752

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
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\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5T04DV54.txt

Filesize
608B

MD5
f98ff26722882cce2303bb4366f56986

SHA1
c2ce24e47116c559588989d48f860d66c4c6287d

SHA256
982d2b53177aa386eb91631a8ac2c02b6828ab287fc0ffb7e1f8bedd9313efb2

SHA512
a70c3b35b22437bc56ae48478522633ea02079736af133cb9de80f6b96be631d7f64fe80546bf9d349a4e0db4e408cd3a842112050b7135686f473445b4ab0eb

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\f95602ed761b71dfcfe14b94961654f7a24295a056649157e5ff053b4240465cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1172-54-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1172-67-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1172-68-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1872-56-0x0000000000000000-mapping.dmp

Download
memory/1872-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-61-0x0000000000000000-mapping.dmp

Download
memory/2000-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download