12fa324d10328861f0b5cb6787edbb940f911aa2e673a259dc1a3347f45a6cea

Analysis

max time kernel
125s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 17:24

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General

Target

f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
Size

148KB
MD5

f4259cdbfceeef6bc47d18f09601c0a1
SHA1

ecf6943792e4ce42c6751e6a7ef2fa6aa2548543
SHA256

12fa324d10328861f0b5cb6787edbb940f911aa2e673a259dc1a3347f45a6cea
SHA512

87315909b55fe43545f18d7f79a72782619309c16fd66d1f3fcb6b1274049e4b658baac6d3348d143c399e79f6c853cf560555804ab14f95b2aec24915e88ba2
SSDEEP

3072:f/nODbx/iAI02gUZhZ1sRg4AEkMip5Or7hmhuro:f/Eb1TwZhZ2Rg4vs5imks

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
440	Eusism.exe
996	Eusism.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eusism = "C:\\Users\\Admin\\AppData\\Roaming\\Eusism.exe"	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4112 set thread context of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 440 set thread context of 996	440	Eusism.exe	91

System Location Discovery: System Language Discovery 1 TTPs 6 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	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Eusism.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Eusism.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DB00F9DD-7A99-11EF-A2A4-562BAB028465} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31133350"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2945180825"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31133350"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433963644"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2946274553"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31133350"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2945180825"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2946274553"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31133350"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2468	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
2468	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	Eusism.exe
Token: SeDebugPrivilege	3288	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3012	IEXPLORE.EXE
3012	IEXPLORE.EXE
3288	IEXPLORE.EXE
3288	IEXPLORE.EXE
3288	IEXPLORE.EXE
3288	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 4112 wrote to memory of 2468	4112	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	89
PID 2468 wrote to memory of 440	2468	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	90
PID 2468 wrote to memory of 440	2468	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	90
PID 2468 wrote to memory of 440	2468	f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe	90
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 440 wrote to memory of 996	440	Eusism.exe	91
PID 996 wrote to memory of 4540	996	Eusism.exe	92
PID 996 wrote to memory of 4540	996	Eusism.exe	92
PID 996 wrote to memory of 4540	996	Eusism.exe	92
PID 4540 wrote to memory of 3012	4540	iexplore.exe	93
PID 4540 wrote to memory of 3012	4540	iexplore.exe	93
PID 3012 wrote to memory of 3288	3012	IEXPLORE.EXE	94
PID 3012 wrote to memory of 3288	3012	IEXPLORE.EXE	94
PID 3012 wrote to memory of 3288	3012	IEXPLORE.EXE	94
PID 996 wrote to memory of 3288	996	Eusism.exe	94
PID 996 wrote to memory of 3288	996	Eusism.exe	94

C:\Users\Admin\AppData\Local\Temp\f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Users\Admin\AppData\Local\Temp\f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f4259cdbfceeef6bc47d18f09601c0a1_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Users\Admin\AppData\Roaming\Eusism.exe
    "C:\Users\Admin\AppData\Roaming\Eusism.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:440
  - - C:\Users\Admin\AppData\Roaming\Eusism.exe
      "C:\Users\Admin\AppData\Roaming\Eusism.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:996
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4540
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3012
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3012 CREDAT:17410 /prefetch:2
        7⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:8
1⤵
PID:3360

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
98d9fe43070b90ca771112f348923697

SHA1
fa643be49426151a0030a94a25a2dafaaf062270

SHA256
138c9c72d7b361605191d0285538f86cd641ffb4fac8b6b2fa7746e1aec38665

SHA512
fc1a6d6021f1b590a64004c9168bc53e0703ba0701c5c638aacc4880bb1ed8b2664845dafd2cb92fc42d61db3cd30c5dfcfbdafed81af8388980a3ca8fb2094b

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

Filesize
404B

MD5
d1a45a104160629c7f5f05ea588aefc5

SHA1
60a821fee480dabce1c1b2e74ebaab665d4304ef

SHA256
a99c67c8dbd1f9bb1dfec2626e9be628082dd11251b78df6f034185023bd8faf

SHA512
7dd03831d8149f3cc399ed90e4c4c1a95a047e58eeecd9275d5c767b3bf817a66a2abff70f1c443e1cb8c727322ea00725953e2381facbc1cddda5fda260c1bf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD9F0.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCPU4OJ5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
148KB

MD5
f4259cdbfceeef6bc47d18f09601c0a1

SHA1
ecf6943792e4ce42c6751e6a7ef2fa6aa2548543

SHA256
12fa324d10328861f0b5cb6787edbb940f911aa2e673a259dc1a3347f45a6cea

SHA512
87315909b55fe43545f18d7f79a72782619309c16fd66d1f3fcb6b1274049e4b658baac6d3348d143c399e79f6c853cf560555804ab14f95b2aec24915e88ba2

Download Submit
memory/440-14-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/440-15-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/996-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/996-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/996-21-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2468-12-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2468-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2468-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2468-2-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4112-0-0x0000000002270000-0x0000000002278000-memory.dmp

Filesize
32KB

Download
memory/4112-1-0x0000000002270000-0x0000000002278000-memory.dmp

Filesize
32KB

Download