ramnit | 11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949

General

Target

11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe
Size

152KB
MD5

6bfe7638a02706a837381106503c3f60
SHA1

63a639d4328dab44e3bfab3abf48606404497897
SHA256

11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949
SHA512

5ee31f2a980775808871f35550389bb2328a4c29703c8ae8ef770dd5f10d0b5e8c3b3596d78942894eaf22813c2ba9fb895aa7e9fcea003a7e8346de6cea64c0
SSDEEP

3072:zFVBWnVbfnVbftqNoQsR2I7IRP+tKAdNcGrV3J:zFVcnVbfRAVCIkx73J

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
1120	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
4408	DesktopLayer.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1120-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4408-14-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4408-15-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4408-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9069.tmp	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "244913557"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "246788777"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444723985"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3A1A1612-DC77-11EF-BEF1-5EA348B38F9D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158404"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158404"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe
4408	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2544	iexplore.exe
2544	iexplore.exe
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE
4428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1120	1340	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe	83
PID 1340 wrote to memory of 1120	1340	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe	83
PID 1340 wrote to memory of 1120	1340	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe	83
PID 1120 wrote to memory of 4408	1120	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe	84
PID 1120 wrote to memory of 4408	1120	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe	84
PID 1120 wrote to memory of 4408	1120	11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe	84
PID 4408 wrote to memory of 2544	4408	DesktopLayer.exe	85
PID 4408 wrote to memory of 2544	4408	DesktopLayer.exe	85
PID 2544 wrote to memory of 4428	2544	iexplore.exe	86
PID 2544 wrote to memory of 4428	2544	iexplore.exe	86
PID 2544 wrote to memory of 4428	2544	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe
"C:\Users\Admin\AppData\Local\Temp\11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
  C:\Users\Admin\AppData\Local\Temp\11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1120
- - 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:4408
  - - 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:2544
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2544 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4428

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
206fe14723a861b688f6473333dc507c

SHA1
9e2e50dfd67986677e808b216db08c02961ffd7b

SHA256
c8b5bc9cb349c22051a2fedd1b4f755a1d6cce5cfb19be11a93c8e1d7daa5f18

SHA512
a69a00c9a0b0bb6db4bd7e216a57c1f90c01f9fd0f029dcab1328112ec23ceb34e47be669a433fce8e3e575bfb153736269563bed172c6fc4875b8632890317a

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

Filesize
404B

MD5
f18377cf5704064488bee804308cf91a

SHA1
2d0f23e49840379a7cb02575d92871e9a81d100e

SHA256
6ad0326537ff4fd7c0a9dd561aa121d0de5a09644ff432f182804406f0afef6f

SHA512
6fcbf281c52027734b33c43b6eb09c04195ba54f428231c7741279e422943f25ad81c0ac2cc84b5aded986f6c8b080b8ce24387dfc4db82216a31559207bf55c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\11ed68d0bd36bc74df66f88cef51b4eb592cd1cba29812fc6c1cf8e99cdc2949Srv.exe

Filesize
52KB

MD5
ce99b549382dbfc4f41efe99b5dbcd54

SHA1
66905167920ece3a0bf65441d30da72ad25b7475

SHA256
e26d8f6a9c98b949d1f58c97c2dbcf7d90d7a3c3d2f06eb9b6033465d493322d

SHA512
54447bdddf475594a4e8f5ccda131190e3e858a02e0147aee7c7b04ae54812b18aefdbdf5e59fc3005686b06fe938b904b2099672063738898f4995fd4bab1bc

Download Submit
memory/1120-6-0x0000000002030000-0x0000000002043000-memory.dmp

Filesize
76KB

Download
memory/1120-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1120-13-0x0000000002030000-0x0000000002043000-memory.dmp

Filesize
76KB

Download
memory/1340-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1340-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4408-14-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4408-16-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4408-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4408-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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