ramnit | d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1

General

Target

d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe
Size

294KB
MD5

7e2866b0b8d0cfa03f53e7503dbf985e
SHA1

cc9e74bd26fa22ba4534155fd45837c593c2ff77
SHA256

d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1
SHA512

7cbe93521357cc78fca62017d5c3b5e198c49fdf5a4fd4499f1ab2785184720acce75186f0e2f7d6c65af7bba1427cfb770f3970d71ed68256f9646d4dc760f5
SSDEEP

6144:9pHIJY18OuVXPF+u464y1Jfu/ZR5zgVoaO/r5oFBf8dYdyQ:9uve6DIXuBkCUQ

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
1116	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
3368	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b4d-3.dat	upx
behavioral2/memory/1116-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1116-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3368-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3368-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8628.tmp	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe

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	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157795"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444462450"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4B2F4606-DA16-11EF-BDBF-CAFD856C81B1} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "531827959"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "535577854"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157795"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe
3368	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3616	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1216	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe
1216	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe
3616	iexplore.exe
3616	iexplore.exe
4244	IEXPLORE.EXE
4244	IEXPLORE.EXE
4244	IEXPLORE.EXE
4244	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 1116	1216	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe	83
PID 1216 wrote to memory of 1116	1216	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe	83
PID 1216 wrote to memory of 1116	1216	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe	83
PID 1116 wrote to memory of 3368	1116	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe	84
PID 1116 wrote to memory of 3368	1116	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe	84
PID 1116 wrote to memory of 3368	1116	d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe	84
PID 3368 wrote to memory of 3616	3368	DesktopLayer.exe	85
PID 3368 wrote to memory of 3616	3368	DesktopLayer.exe	85
PID 3616 wrote to memory of 4244	3616	iexplore.exe	86
PID 3616 wrote to memory of 4244	3616	iexplore.exe	86
PID 3616 wrote to memory of 4244	3616	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe
"C:\Users\Admin\AppData\Local\Temp\d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
  C:\Users\Admin\AppData\Local\Temp\d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1116
- - 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:3368
  - - 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:3616
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3616 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4244

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 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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
dc142ff8759ecb81417ba231bbcf25d0

SHA1
201681d524cde8af5c11b5111f5fa697521c5739

SHA256
d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

SHA512
b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
9dc0c5bbe53353dec50af851fa41429a

SHA1
30895a8f46bff75b47fd0ec633276902cd5f7f7f

SHA256
d76d65451c180b2d375485e52ddf04fe3c9de07a3b2ff87a6f6796687f51e3b5

SHA512
dcb5e43fcaaefb9c7c6dc0d26815760b884d76f0960212398f8752a3b4a44d95ef9dec21163292f737c3c2f0208a11948399be803590073f8ee5b307a3df5718

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\d76f3053f1adc61b301254e79609c1f742af1b6f2f522d28115938e93921f4c1Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1116-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1116-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1116-6-0x00000000006A0000-0x00000000006AF000-memory.dmp

Filesize
60KB

Download
memory/1216-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1216-17-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3368-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3368-14-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/3368-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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