ramnit | ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61

General

Target

ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe
Size

1.0MB
MD5

0d82187d8966ec5e2f387d6c278b5280
SHA1

3bbd7a30bc98009ba45f6850caf5bf988885c314
SHA256

ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61
SHA512

e235eec79db5ce2f6f43303c61d97d8a3ad5d18d253c46dc2ac9d9dd71d4310edc9384e3dd6fff86795e5510651dc7387b3e2e6eacc9f03a002a56cb6ef3b0b0
SSDEEP

24576:yGt+igEhxI9qg8RVMdEU5vNYGp7oS7C+/kY:MWsqjzMdNNY78

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe
2224	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2992	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe
2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012263-2.dat	upx
behavioral1/memory/2780-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2224-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2224-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6307.tmp	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7672B1C1-C3D1-11EF-8CE5-7A300BFEC721} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441410908"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2224	DesktopLayer.exe
2224	DesktopLayer.exe
2224	DesktopLayer.exe
2224	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2700	iexplore.exe
2700	iexplore.exe
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2780	2992	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe	30
PID 2992 wrote to memory of 2780	2992	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe	30
PID 2992 wrote to memory of 2780	2992	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe	30
PID 2992 wrote to memory of 2780	2992	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe	30
PID 2780 wrote to memory of 2224	2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe	31
PID 2780 wrote to memory of 2224	2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe	31
PID 2780 wrote to memory of 2224	2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe	31
PID 2780 wrote to memory of 2224	2780	ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe	31
PID 2224 wrote to memory of 2700	2224	DesktopLayer.exe	32
PID 2224 wrote to memory of 2700	2224	DesktopLayer.exe	32
PID 2224 wrote to memory of 2700	2224	DesktopLayer.exe	32
PID 2224 wrote to memory of 2700	2224	DesktopLayer.exe	32
PID 2700 wrote to memory of 2708	2700	iexplore.exe	33
PID 2700 wrote to memory of 2708	2700	iexplore.exe	33
PID 2700 wrote to memory of 2708	2700	iexplore.exe	33
PID 2700 wrote to memory of 2708	2700	iexplore.exe	33

C:\Users\Admin\AppData\Local\Temp\ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe
"C:\Users\Admin\AppData\Local\Temp\ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - 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:2700
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2700 CREDAT:275457 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
98adc185e1dc5c17c61e649ffcc9ee60

SHA1
057d20eb05b3059a10b9d202b89f99506c9e7a8c

SHA256
996cc6ed01265375a781ad95e3b87cc199ec9a6648d7e5f0eb445d2da85f31fa

SHA512
8f186e25092f79b3a7f3722f13093a6820fd21e7a2ee99df054f559ade694bb26b29a431ab28fe955b89a16facbab0fa6a1bdc453dfbe0fdedde1560a3e20bb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabCE2B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCE3D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\ffb859eeebd17e4450d013e70171d89e3475707fe4b0746c12faa41944796c61NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2224-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-18-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2224-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2780-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2780-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2992-0-0x0000000001000000-0x0000000001106000-memory.dmp

Filesize
1.0MB

Download
memory/2992-5-0x0000000000190000-0x00000000001BE000-memory.dmp

Filesize
184KB

Download
memory/2992-21-0x0000000001000000-0x0000000001106000-memory.dmp

Filesize
1.0MB

Download

Analysis

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