1cbdd24a3d56a72c4c61e93ec680a19c5a58574e1a664fdaae224abdb825209b

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 11:59

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General

Target

d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe
Size

96KB
MD5

d44f35410ed96fba5fba1d6b96a6792b
SHA1

80e79390ee9d4d6c45954d77e0f68cac6eacd673
SHA256

1cbdd24a3d56a72c4c61e93ec680a19c5a58574e1a664fdaae224abdb825209b
SHA512

e723f590b08acc6c3c201db6e889f48c70e5bc196f08492e4c09cda16817940d6588760c21a8c3bd81f88de687f30defc20358a5747492b12430015abbe8d8b3
SSDEEP

1536:uTuSIEP4HSkGcuuIZSeGccOF6jh4+avyD8G/IGebr5AV4RR5efqvpsMym0Xi6cMV:u6MP4y1FSu+1D8NGepAVCRkfqvps9yx2

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2832	Repupl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Repupl = "C:\\Users\\Admin\\AppData\\Roaming\\Repupl.exe"	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.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	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Repupl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3020890473"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130086"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432561772"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3020890473"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130086"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130086"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3068546630"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130086"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DAD2937C-6DD9-11EF-818E-62872261FF50} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3068546630"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4816	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe
4816	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	Repupl.exe
Token: SeDebugPrivilege	2356	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4688	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4688	IEXPLORE.EXE
4688	IEXPLORE.EXE
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2832	4816	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe	88
PID 4816 wrote to memory of 2832	4816	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe	88
PID 4816 wrote to memory of 2832	4816	d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe	88
PID 2832 wrote to memory of 1532	2832	Repupl.exe	93
PID 2832 wrote to memory of 1532	2832	Repupl.exe	93
PID 2832 wrote to memory of 1532	2832	Repupl.exe	93
PID 1532 wrote to memory of 4688	1532	iexplore.exe	94
PID 1532 wrote to memory of 4688	1532	iexplore.exe	94
PID 4688 wrote to memory of 2356	4688	IEXPLORE.EXE	95
PID 4688 wrote to memory of 2356	4688	IEXPLORE.EXE	95
PID 4688 wrote to memory of 2356	4688	IEXPLORE.EXE	95
PID 2832 wrote to memory of 2356	2832	Repupl.exe	95
PID 2832 wrote to memory of 2356	2832	Repupl.exe	95

C:\Users\Admin\AppData\Local\Temp\d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d44f35410ed96fba5fba1d6b96a6792b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Roaming\Repupl.exe
  "C:\Users\Admin\AppData\Roaming\Repupl.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - 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:4688
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4688 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2356

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:4228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
7f9b88e0292691833018388229acfbfa

SHA1
50e3d82743913a3f81313549c45dab1ebc3bd69a

SHA256
2b930c9f3a0fff3fec9effa7f5d159d5b5c81465a1e23cf040cbcd6ab085b119

SHA512
e74cc60bceecdcbe66a67f62921daad7de864d20de476a3a18484b811ba97d1cafe702c2eacb6ba432119186db27f76ffc0fc692fd320d0c0228ec5d598c68a8

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

Filesize
404B

MD5
b5f6f48923d5a49dfb19808ef8b09b0e

SHA1
0737ce6aa265a5815fc2470225b0c6a78409aa94

SHA256
626d1d9309d10d9a3a0c1aceaa120b7a0c1abb1ef4f6c095c8e21908f805e523

SHA512
fac4b350d68674831421ff7fcc4477696790533407d8c5f0b675d4780953fb088c631beade872e80149115a49db17aec75710552e786a4dc0e6f39867c133bb0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4447.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Repupl.exe

Filesize
96KB

MD5
d44f35410ed96fba5fba1d6b96a6792b

SHA1
80e79390ee9d4d6c45954d77e0f68cac6eacd673

SHA256
1cbdd24a3d56a72c4c61e93ec680a19c5a58574e1a664fdaae224abdb825209b

SHA512
e723f590b08acc6c3c201db6e889f48c70e5bc196f08492e4c09cda16817940d6588760c21a8c3bd81f88de687f30defc20358a5747492b12430015abbe8d8b3

Download Submit
memory/2832-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4816-3-0x000000000040B000-0x0000000000411000-memory.dmp

Filesize
24KB

Download
memory/4816-11-0x00000000006E0000-0x00000000006EE000-memory.dmp

Filesize
56KB

Download
memory/4816-12-0x000000000040B000-0x0000000000411000-memory.dmp

Filesize
24KB

Download
memory/4816-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4816-0-0x00000000006E0000-0x00000000006EE000-memory.dmp

Filesize
56KB

Download
memory/4816-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4816-2-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/4816-1-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download