3b731a6eb75535e16f881da6517370e7bf9561838954e5171d43e903bcd61a4e

Analysis

max time kernel
125s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:43

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General

Target

ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
Size

156KB
MD5

ea85c35da0e0ad4d3af647f14ecde0b7
SHA1

8581ffb38a7b6f03e5db4c38c4c6c4a65f9f8397
SHA256

3b731a6eb75535e16f881da6517370e7bf9561838954e5171d43e903bcd61a4e
SHA512

7e97073c2fb7e730748b5c62bdf77c85486a7940207f59c3f2daedf1d75885ca27b83e95583da31356862a413c1826d910fb90def4358def03f46304c9d24559
SSDEEP

3072:YD1Yk6XEp2j+dneHR0vL5Ed6ybSTkYOgxT5NDXBpX8vaaI:Y2kmwneHa5Ed6GrYOgDjpMM

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4404	Efzxzb.exe
396	Efzxzb.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\Efzxzb = "C:\\Users\\Admin\\AppData\\Roaming\\Efzxzb.exe"	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 4404 set thread context of 396	4404	Efzxzb.exe	96

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	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Efzxzb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Efzxzb.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "947252834"	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\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-1-5-21-2170637797-568393320-3232933035-1000\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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6400764A-7639-11EF-A2A4-D2EB330F3545} = "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 (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\DomainSuggestion\FileNames\	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\Main\WindowsSearch\Version = "WS not running"	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\LastUpdateLowDateTime = "947252834"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31132230"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31132230"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31132230"	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\VersionManager\LastCheckForUpdateLowDateTime = "949909094"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433482408"	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\GPU	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	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\LastTTLLowDateTime = "1251635200"	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\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3408	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
3408	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	Efzxzb.exe
Token: SeDebugPrivilege	5024	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3308	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3308	IEXPLORE.EXE
3308	IEXPLORE.EXE
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 2980 wrote to memory of 3408	2980	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	89
PID 3408 wrote to memory of 4404	3408	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	95
PID 3408 wrote to memory of 4404	3408	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	95
PID 3408 wrote to memory of 4404	3408	ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe	95
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 4404 wrote to memory of 396	4404	Efzxzb.exe	96
PID 396 wrote to memory of 2232	396	Efzxzb.exe	100
PID 396 wrote to memory of 2232	396	Efzxzb.exe	100
PID 396 wrote to memory of 2232	396	Efzxzb.exe	100
PID 2232 wrote to memory of 3308	2232	iexplore.exe	101
PID 2232 wrote to memory of 3308	2232	iexplore.exe	101
PID 3308 wrote to memory of 5024	3308	IEXPLORE.EXE	102
PID 3308 wrote to memory of 5024	3308	IEXPLORE.EXE	102
PID 3308 wrote to memory of 5024	3308	IEXPLORE.EXE	102
PID 396 wrote to memory of 5024	396	Efzxzb.exe	102
PID 396 wrote to memory of 5024	396	Efzxzb.exe	102

C:\Users\Admin\AppData\Local\Temp\ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea85c35da0e0ad4d3af647f14ecde0b7_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Users\Admin\AppData\Roaming\Efzxzb.exe
    "C:\Users\Admin\AppData\Roaming\Efzxzb.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Users\Admin\AppData\Roaming\Efzxzb.exe
      "C:\Users\Admin\AppData\Roaming\Efzxzb.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:396
    - - 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:2232
      - 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:3308
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3308 CREDAT:17410 /prefetch:2
        7⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:5024

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=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
1⤵
PID:344

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
33bac9325241193616461afd5a0deb0c

SHA1
e78ed72996568bc9616f4d6b20403749252b4859

SHA256
cb0b78d15b774b91ab6f6ef315a14f301b85b40122a72622818753212538f5b7

SHA512
3054cbd1551e36a747fc4c7086d3cc484530ea13d44279b4f5f92d462d91d7e3322bb240edeedd517751c00949a6264b50322464e446290726fde18ac4eb2e2e

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

Filesize
404B

MD5
9251e71006dc274ada5a83d108126e23

SHA1
7b729f3b9924b09b33af1b6f6001ead80cd20010

SHA256
9aed1f9a62b6f13f5f134afd49782d2caa57412fb902d18a4411b2d03ee8adcd

SHA512
928a33264759aa416e85e39978e02832d97f4c2fb52285de9de8b90161da4ebf4455150772f136a6d77b92bdc7d078e4fe3e03ef53414ef2a9961bfac9e38024

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XHVIU6BA\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
156KB

MD5
ea85c35da0e0ad4d3af647f14ecde0b7

SHA1
8581ffb38a7b6f03e5db4c38c4c6c4a65f9f8397

SHA256
3b731a6eb75535e16f881da6517370e7bf9561838954e5171d43e903bcd61a4e

SHA512
7e97073c2fb7e730748b5c62bdf77c85486a7940207f59c3f2daedf1d75885ca27b83e95583da31356862a413c1826d910fb90def4358def03f46304c9d24559

Download Submit
memory/396-24-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/396-23-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/396-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2980-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2980-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2980-1-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/2980-2-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/3408-13-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3408-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3408-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3408-3-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4404-16-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/4404-15-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/4404-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download