ramnit | 706163c3c270c14b8e783e2a924525363e61baeac9d3a02392c735805607e901

General

Target

JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe
Size

52KB
MD5

5846673d916f334ac8bae7c1c3120382
SHA1

bf7141db141fa11f73ecc5115196eecb611b24e7
SHA256

706163c3c270c14b8e783e2a924525363e61baeac9d3a02392c735805607e901
SHA512

c4b0459dc35c3dc101ee85367a8f69fb8fd0e51cf7445bf11b32c12dd158479d8d796ab615d765b36072179685a996fe400bd6d6acca175788c718ca1f02a519
SSDEEP

1536:43j72srzVRv7Kf4AH+pdcDJVoYMeKTn1:wusXjTuoaD6eK71

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 1 IoCs

pid	Process
2236	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1072-2-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1072-3-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1072-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/2236-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2236-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2236-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2236-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9470.tmp	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\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-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2FF391C8-DE6C-11EF-B070-4A9CAE975903} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444939146"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe
2236	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1444	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1444	iexplore.exe
1444	iexplore.exe
228	IEXPLORE.EXE
228	IEXPLORE.EXE
228	IEXPLORE.EXE
228	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 2236	1072	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe	81
PID 1072 wrote to memory of 2236	1072	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe	81
PID 1072 wrote to memory of 2236	1072	JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe	81
PID 2236 wrote to memory of 1444	2236	DesktopLayer.exe	82
PID 2236 wrote to memory of 1444	2236	DesktopLayer.exe	82
PID 1444 wrote to memory of 228	1444	iexplore.exe	83
PID 1444 wrote to memory of 228	1444	iexplore.exe	83
PID 1444 wrote to memory of 228	1444	iexplore.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5846673d916f334ac8bae7c1c3120382.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Program Files (x86)\Microsoft\DesktopLayer.exe
  "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1444 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:228

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:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
52KB

MD5
5846673d916f334ac8bae7c1c3120382

SHA1
bf7141db141fa11f73ecc5115196eecb611b24e7

SHA256
706163c3c270c14b8e783e2a924525363e61baeac9d3a02392c735805607e901

SHA512
c4b0459dc35c3dc101ee85367a8f69fb8fd0e51cf7445bf11b32c12dd158479d8d796ab615d765b36072179685a996fe400bd6d6acca175788c718ca1f02a519

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZKEID3KU\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1072-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1072-1-0x0000000002170000-0x0000000002172000-memory.dmp

Filesize
8KB

Download
memory/1072-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1072-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1072-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2236-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2236-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2236-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2236-13-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2236-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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