0c68505d8103b24e50c45b396f7bcfbdc14dd6d9c20667414caa33d03a13dd82

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 02:00

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General

Target

5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
Size

769KB
MD5

5a0574c3d259154cf794f05ef1b5ff82
SHA1

e2629a65dd6ef32fa2d58fa3550972ad373cd932
SHA256

0c68505d8103b24e50c45b396f7bcfbdc14dd6d9c20667414caa33d03a13dd82
SHA512

36084dd5ec2a36297f706d3271744daa82149a6a2b3f9247653a53f490c0e9fb64ad941bef7d71441467587dfdcddaccf08d9f5834f0d34d55507987ee9a0dee
SSDEEP

24576:kvejcvrjpHv42tnXFwCxqR8j2QUn+ChgrvnBQYEz+5NY:kveujnjwhGPB6wNY

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00080000000234d4-4.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3952	Mrureurzu.exe

Loads dropped DLL 6 IoCs

pid	Process
1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
3952	Mrureurzu.exe
3952	Mrureurzu.exe
3952	Mrureurzu.exe
1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000234d4-4.dat	upx
behavioral2/memory/1172-5-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/3952-19-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/1172-37-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/3952-48-0x0000000010000000-0x0000000010129000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Mrureurzu.exe	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
File created	C:\Program Files (x86)\Common Files\Mrureurzu.dll	Mrureurzu.exe
File opened for modification	C:\Program Files (x86)\Common Files\Mrureurzu.dll	Mrureurzu.exe
File created	C:\Program Files (x86)\Common Files\Mrureurzu.exe	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\99d99d7549e5736c3a5aa84ea766fc92.dat	Mrureurzu.exe
File opened for modification	C:\Windows\Fonts\99d99d7549e5736c3a5aa84ea766fc92.dat	Mrureurzu.exe

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

System Information Discovery
T1082

Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Mrureurzu.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Mrureurzu.exe
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\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-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2013867575"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2016680142"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A3AB8E68-4572-11EF-A174-DA1D1A3BE18D} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119743"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2013867575"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119743"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "428119390"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119743"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Mrureurzu.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3952	Mrureurzu.exe
3952	Mrureurzu.exe
3952	Mrureurzu.exe
3952	Mrureurzu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
924	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
3952	Mrureurzu.exe
3952	Mrureurzu.exe
924	IEXPLORE.EXE
924	IEXPLORE.EXE
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE
4500	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 3952	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	85
PID 1172 wrote to memory of 3952	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	85
PID 1172 wrote to memory of 3952	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	85
PID 3952 wrote to memory of 924	3952	Mrureurzu.exe	88
PID 3952 wrote to memory of 924	3952	Mrureurzu.exe	88
PID 924 wrote to memory of 4500	924	IEXPLORE.EXE	89
PID 924 wrote to memory of 4500	924	IEXPLORE.EXE	89
PID 924 wrote to memory of 4500	924	IEXPLORE.EXE	89
PID 1172 wrote to memory of 892	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	90
PID 1172 wrote to memory of 892	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	90
PID 1172 wrote to memory of 892	1172	5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe	90
PID 3952 wrote to memory of 924	3952	Mrureurzu.exe	88

C:\Users\Admin\AppData\Local\Temp\5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Program Files (x86)\Common Files\Mrureurzu.exe
  "C:\Program Files (x86)\Common Files\Mrureurzu.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer Automatic Crash Recovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:924
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:924 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4500
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""c:\5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe_And xMe.bat""
  2⤵
  PID:892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Mrureurzu.exe

Filesize
769KB

MD5
5a0574c3d259154cf794f05ef1b5ff82

SHA1
e2629a65dd6ef32fa2d58fa3550972ad373cd932

SHA256
0c68505d8103b24e50c45b396f7bcfbdc14dd6d9c20667414caa33d03a13dd82

SHA512
36084dd5ec2a36297f706d3271744daa82149a6a2b3f9247653a53f490c0e9fb64ad941bef7d71441467587dfdcddaccf08d9f5834f0d34d55507987ee9a0dee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
f79ee77a4f30401507e6f54a61598f58

SHA1
7f3ef4945f621ed2880ff5a10a126957b2011a17

SHA256
cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

SHA512
26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
408KB

MD5
b49e63ddadf4e7742ac810c24c874d34

SHA1
1dc901478e656f194442f272c34267d323906561

SHA256
a903caed2a7d6f8dfc7cf80ba2e2e7b8dc0b88f4afbdcb27416e7970cb481a4d

SHA512
e0d067acff06d8325a7e8bc32b2948f891c107e101c44a710f352c309cf40639c415420f1fb61daea2ad4305acf0e891b58677cc4f4c3494537c2577909bca62

Download Submit
\??\c:\5a0574c3d259154cf794f05ef1b5ff82_JaffaCakes118.exe_And xMe.bat

Filesize
210B

MD5
2224ffd39026cfe8401bb2ab0ee85d7b

SHA1
43e18538148e96c4da99fb7ca2aad0ea9dde203b

SHA256
e240edc3d682e412b9817f0cff87229762e7921fffbb00fa3f78ea00a168061b

SHA512
3cd0e0cfe2474728c8ea703ec6ee903d6c70f9d95d41c3439576767ce49464bbb3e9d502450b9a9d81c6153cff67488085fc6e4056d32ae8fd662ed73f0874ac

Download Submit
memory/1172-5-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1172-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1172-32-0x00000000021E0000-0x00000000021FE000-memory.dmp

Filesize
120KB

Download
memory/1172-36-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1172-37-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/3952-19-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/3952-25-0x00000000024C0000-0x00000000024DE000-memory.dmp

Filesize
120KB

Download
memory/3952-48-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/3952-49-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download