ramnit | 250e7d0728d5815e0fa242e8a7730959295b3017aa2d809f46f8a06787248044

General

Target

JaffaCakes118_154229059395b26059f7ec1671569fde.exe
Size

52KB
MD5

154229059395b26059f7ec1671569fde
SHA1

5fb7c5029dafa567e52495ea8a3aae961df6ddfa
SHA256

250e7d0728d5815e0fa242e8a7730959295b3017aa2d809f46f8a06787248044
SHA512

680d4ff12188643eb6692c29980ed73c8c3ef1be2998f6704e0b89f5d32ee8306751aa90faa6e0e7630fec4c270beef0ea2bcceb39578bcd737741a3045d0ba8
SSDEEP

1536:q3j72srzVRv7Kf4AH+pdcDJVoYMeKTn1:uusXjTuoaD6eK71

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
3644	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5096-3-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/5096-2-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/5096-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/3644-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/3644-13-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_154229059395b26059f7ec1671569fde.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px77DF.tmp	JaffaCakes118_154229059395b26059f7ec1671569fde.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_154229059395b26059f7ec1671569fde.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	JaffaCakes118_154229059395b26059f7ec1671569fde.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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444384404"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{93FBF753-D960-11EF-9361-DA61A5E71E4E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1751795895"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1755858282"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157613"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157613"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe
3644	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
316	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
316	iexplore.exe
316	iexplore.exe
3460	IEXPLORE.EXE
3460	IEXPLORE.EXE
3460	IEXPLORE.EXE
3460	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 3644	5096	JaffaCakes118_154229059395b26059f7ec1671569fde.exe	82
PID 5096 wrote to memory of 3644	5096	JaffaCakes118_154229059395b26059f7ec1671569fde.exe	82
PID 5096 wrote to memory of 3644	5096	JaffaCakes118_154229059395b26059f7ec1671569fde.exe	82
PID 3644 wrote to memory of 316	3644	DesktopLayer.exe	83
PID 3644 wrote to memory of 316	3644	DesktopLayer.exe	83
PID 316 wrote to memory of 3460	316	iexplore.exe	84
PID 316 wrote to memory of 3460	316	iexplore.exe	84
PID 316 wrote to memory of 3460	316	iexplore.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_154229059395b26059f7ec1671569fde.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_154229059395b26059f7ec1671569fde.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096
- 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:3644
- - 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:316
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:316 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3460

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
154229059395b26059f7ec1671569fde

SHA1
5fb7c5029dafa567e52495ea8a3aae961df6ddfa

SHA256
250e7d0728d5815e0fa242e8a7730959295b3017aa2d809f46f8a06787248044

SHA512
680d4ff12188643eb6692c29980ed73c8c3ef1be2998f6704e0b89f5d32ee8306751aa90faa6e0e7630fec4c270beef0ea2bcceb39578bcd737741a3045d0ba8

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

Filesize
471B

MD5
2c48c73220d62a8faffe599e95896274

SHA1
452cd4222360fe7e881055d815ec65a2bbac564b

SHA256
35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

SHA512
6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

Filesize
404B

MD5
b10364cd9446e2588296b523b7bdcf9f

SHA1
e37892146ee85fcc579eb432154796898d4c3c14

SHA256
3a4b45118a569c7dfe90c7d1c7c6c40851880cd5015b21ecc4bad77ef8449c7b

SHA512
57d2861aff5d23611c59379e8a4877e45f40d2737872d5b9a89c5ee9cfd89c289590e7ac93658a4a70c08dad18c32b49b11306d9d1645cb547c59ec41fdd4c10

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3644-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3644-12-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/3644-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-1-0x0000000002170000-0x0000000002172000-memory.dmp

Filesize
8KB

Download
memory/5096-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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