53bddbe7bc25e4103041bc18bd85f9feacdff9306aacc50b28bc89fb5fac3595

General

Target

forkerbomb.exe
Size

37KB
MD5

7e45ca42d9229d3304d6a7ef7431e7b2
SHA1

b8c6734417f7639afdefd99b836ef1de31679888
SHA256

53bddbe7bc25e4103041bc18bd85f9feacdff9306aacc50b28bc89fb5fac3595
SHA512

eb629ab51fb120d27d56a20f60580ff2c9fa4c45943ed308b4ca0ed2d994e082b608064099f85c7a3d8f048e8119ca74043b1883230df5bcbb84c88705480298
SSDEEP

384:alTMUiDHblmJEpRGyEfBffXNKCYyEAurAF+rMRTyN/0L+EcoinblneHQM3epzX78:ETqHpR9EfBfVKClEHrM+rMRa8Nu1Ut

Score

4^/10

evasion

Malware Config

Signatures

Resource Forking 1 TTPs 7 IoCs

Adversaries may abuse resource forks to hide malicious code or executables to evade detection and bypass security applications. A resource fork provides applications a structured way to store resources such as thumbnail images, menu definitions, icons, dialog boxes, and code.

evasion

Resource Forking

T1564.009

ioc	Process
/System/Library/PreferencePanes/Sidecar.prefPane/Contents/Resources/sidecarPrefCheck	Process not Found
/System/Library/PreferencePanes/TouchID.prefPane/Contents/Resources/AllowPasswordPref	Process not Found
/System/Library/PreferencePanes/Wallet.prefPane/Contents/Resources/walletAvailabilityCheckTool	Process not Found
/System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Resources/storeuid.app/Contents/MacOS/storeuid	Process not Found
/System/Library/Frameworks/Security.framework/Versions/A/Resources/CloudKeychainProxy.bundle/Contents/MacOS/CloudKeychainProxy	Process not Found
/System/Library/PreferencePanes/ClassroomSettings.prefPane/Contents/Resources/ClassroomSettingsVisibilityCheckTool	Process not Found
/System/Library/PreferencePanes/Profiles.prefPane/Contents/Resources/CPPrefPaneEnabledTool	Process not Found

/bin/sh
sh -c "sudo /bin/zsh -c \"/Users/run/forkerbomb.exe\""
1⤵
PID:519

/bin/bash
sh -c "sudo /bin/zsh -c \"/Users/run/forkerbomb.exe\""
1⤵
PID:519

/usr/bin/sudo
sudo /bin/zsh -c /Users/run/forkerbomb.exe
1⤵
PID:519
- /bin/zsh
  /bin/zsh -c /Users/run/forkerbomb.exe
  2⤵
  PID:520
- /Users/run/forkerbomb.exe
  /Users/run/forkerbomb.exe
  2⤵
  PID:520

/usr/libexec/xpcproxy
xpcproxy com.apple.sysmond
1⤵
PID:525

/usr/libexec/sysmond
/usr/libexec/sysmond
1⤵
PID:525

/usr/libexec/xpcproxy
xpcproxy com.apple.security.cloudkeychainproxy3
1⤵
PID:526

/System/Library/Frameworks/Security.framework/Versions/A/Resources/CloudKeychainProxy.bundle/Contents/MacOS/CloudKeychainProxy
/System/Library/Frameworks/Security.framework/Versions/A/Resources/CloudKeychainProxy.bundle/Contents/MacOS/CloudKeychainProxy
1⤵
PID:526

/usr/libexec/xpcproxy
xpcproxy com.apple.Terminal.2100
1⤵
PID:551

/System/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal
/System/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal
1⤵
PID:551
- /usr/bin/login
  login -pf run
  2⤵
  PID:554
- - /bin/zsh
    -zsh
    3⤵
    PID:558
  - - /usr/libexec/path_helper
      /usr/libexec/path_helper -s
      4⤵
      PID:559
  - - /usr/bin/locale
      locale LC_CTYPE
      4⤵
      PID:560

/usr/libexec/xpcproxy
xpcproxy com.apple.siri.context.service
1⤵
PID:553

/System/Library/PrivateFrameworks/ContextKit.framework/Versions/A/XPCServices/ContextService.xpc/Contents/MacOS/ContextService
/System/Library/PrivateFrameworks/ContextKit.framework/Versions/A/XPCServices/ContextService.xpc/Contents/MacOS/ContextService
1⤵
PID:553

/usr/libexec/xpcproxy
xpcproxy com.apple.audio.systemsoundserverd
1⤵
PID:555

/usr/sbin/systemsoundserverd
/usr/sbin/systemsoundserverd
1⤵
PID:555

/usr/libexec/xpcproxy
xpcproxy com.apple.audio.AudioComponentRegistrar
1⤵
PID:556

/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar
/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar -daemon
1⤵
PID:556

/usr/libexec/xpcproxy
xpcproxy com.apple.AccountPolicyHelper
1⤵
PID:557

/System/Library/PrivateFrameworks/AccountPolicy.framework/XPCServices/com.apple.AccountPolicyHelper.xpc/Contents/MacOS/com.apple.AccountPolicyHelper
/System/Library/PrivateFrameworks/AccountPolicy.framework/XPCServices/com.apple.AccountPolicyHelper.xpc/Contents/MacOS/com.apple.AccountPolicyHelper
1⤵
PID:557

/usr/libexec/xpcproxy
xpcproxy com.apple.PerformanceAnalysis.animationperfd
1⤵
PID:561

/System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/XPCServices/com.apple.PerformanceAnalysis.animationperfd.xpc/Contents/MacOS/com.apple.PerformanceAnalysis.animationperfd
/System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/XPCServices/com.apple.PerformanceAnalysis.animationperfd.xpc/Contents/MacOS/com.apple.PerformanceAnalysis.animationperfd
1⤵
PID:561

/usr/libexec/xpcproxy
xpcproxy com.apple.geod
1⤵
PID:566

/System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/XPCServices/com.apple.geod.xpc/Contents/MacOS/com.apple.geod
/System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/XPCServices/com.apple.geod.xpc/Contents/MacOS/com.apple.geod
1⤵
PID:566

/usr/libexec/xpcproxy
xpcproxy com.apple.geod
1⤵
PID:567

/System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/XPCServices/com.apple.geod.xpc/Contents/MacOS/com.apple.geod
/System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/XPCServices/com.apple.geod.xpc/Contents/MacOS/com.apple.geod
1⤵
PID:567

/usr/libexec/xpcproxy
xpcproxy com.apple.secinitd
1⤵
PID:568

/usr/libexec/secinitd
/usr/libexec/secinitd
1⤵
PID:568

/usr/libexec/xpcproxy
xpcproxy com.apple.AddressBook.ContactsAccountsService
1⤵
PID:570

/System/Library/Frameworks/AddressBook.framework/Executables/ContactsAccountsService
/System/Library/Frameworks/AddressBook.framework/Executables/ContactsAccountsService
1⤵
PID:570

/usr/libexec/xpcproxy
xpcproxy com.apple.routined
1⤵
PID:571

/usr/libexec/routined
/usr/libexec/routined LAUNCHED_BY_LAUNCHD
1⤵
PID:571

/usr/libexec/xpcproxy
xpcproxy com.apple.Maps.mapspushd
1⤵
PID:572

/System/Library/CoreServices/mapspushd
/System/Library/CoreServices/mapspushd
1⤵
PID:572

/usr/libexec/xpcproxy
xpcproxy com.apple.nehelper
1⤵
PID:576

/usr/libexec/nehelper
/usr/libexec/nehelper
1⤵
PID:576

/usr/libexec/xpcproxy
xpcproxy com.apple.systempreferences.2140
1⤵
PID:577

/System/Applications/System Preferences.app/Contents/MacOS/System Preferences
"/System/Applications/System Preferences.app/Contents/MacOS/System Preferences"
1⤵
PID:577

/usr/libexec/xpcproxy
xpcproxy com.apple.AccountProfileRemoteViewService 577
1⤵
PID:578

/System/Library/PrivateFrameworks/AOSUI.framework/Versions/A/XPCServices/AccountProfileRemoteViewService.xpc/Contents/MacOS/AccountProfileRemoteViewService
/System/Library/PrivateFrameworks/AOSUI.framework/Versions/A/XPCServices/AccountProfileRemoteViewService.xpc/Contents/MacOS/AccountProfileRemoteViewService
1⤵
PID:578

/System/Library/PreferencePanes/ClassroomSettings.prefPane/Contents/Resources/ClassroomSettingsVisibilityCheckTool
/System/Library/PreferencePanes/ClassroomSettings.prefPane/Contents/Resources/ClassroomSettingsVisibilityCheckTool
1⤵
PID:579

/System/Library/PreferencePanes/Profiles.prefPane/Contents/Resources/CPPrefPaneEnabledTool
/System/Library/PreferencePanes/Profiles.prefPane/Contents/Resources/CPPrefPaneEnabledTool
1⤵
PID:580

/System/Library/PreferencePanes/Sidecar.prefPane/Contents/Resources/sidecarPrefCheck
/System/Library/PreferencePanes/Sidecar.prefPane/Contents/Resources/sidecarPrefCheck
1⤵
PID:581

/System/Library/PreferencePanes/TouchID.prefPane/Contents/Resources/AllowPasswordPref
/System/Library/PreferencePanes/TouchID.prefPane/Contents/Resources/AllowPasswordPref
1⤵
PID:583

/usr/libexec/xpcproxy
xpcproxy com.apple.CoreAuthentication.agent
1⤵
PID:584

/System/Library/PreferencePanes/Wallet.prefPane/Contents/Resources/walletAvailabilityCheckTool
/System/Library/PreferencePanes/Wallet.prefPane/Contents/Resources/walletAvailabilityCheckTool
1⤵
PID:585

/System/Library/Frameworks/LocalAuthentication.framework/Support/coreauthd
/System/Library/Frameworks/LocalAuthentication.framework/Support/coreauthd
1⤵
PID:584

/usr/libexec/xpcproxy
xpcproxy com.apple.nfcd
1⤵
PID:586

/usr/libexec/nfcd
/usr/libexec/nfcd
1⤵
PID:586

/usr/libexec/xpcproxy
xpcproxy com.apple.studentd
1⤵
PID:587

/usr/libexec/studentd
/usr/libexec/studentd
1⤵
PID:587

/usr/libexec/xpcproxy
xpcproxy com.apple.neagent.878568F8-CCE5-4157-8315-22F20DC8FB0A
1⤵
PID:588

/usr/libexec/neagent
/usr/libexec/neagent
1⤵
PID:588

/usr/libexec/xpcproxy
xpcproxy com.apple.TextInputMenuAgent
1⤵
PID:592

/System/Library/CoreServices/TextInputMenuAgent.app/Contents/MacOS/TextInputMenuAgent
/System/Library/CoreServices/TextInputMenuAgent.app/Contents/MacOS/TextInputMenuAgent
1⤵
PID:592

/usr/libexec/xpcproxy
xpcproxy com.apple.AppStore.1900
1⤵
PID:594

/System/Applications/App Store.app/Contents/MacOS/App Store
"/System/Applications/App Store.app/Contents/MacOS/App Store"
1⤵
PID:594

/usr/libexec/xpcproxy
xpcproxy com.apple.storeuid
1⤵
PID:595

/System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Resources/storeuid.app/Contents/MacOS/storeuid
/System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Resources/storeuid.app/Contents/MacOS/storeuid
1⤵
PID:595

/usr/libexec/xpcproxy
xpcproxy com.apple.spindump
1⤵
PID:597

/usr/sbin/spindump
/usr/sbin/spindump
1⤵
PID:597

/usr/libexec/xpcproxy
xpcproxy com.apple.tailspind
1⤵
PID:598

/usr/libexec/tailspind
/usr/libexec/tailspind
1⤵
PID:598

/usr/libexec/xpcproxy
xpcproxy com.apple.spindump_agent
1⤵
PID:599

/usr/libexec/spindump_agent
/usr/libexec/spindump_agent
1⤵
PID:599

/usr/libexec/xpcproxy
xpcproxy com.apple.adid
1⤵
PID:601

/System/Library/PrivateFrameworks/CoreADI.framework/adid
/System/Library/PrivateFrameworks/CoreADI.framework/adid
1⤵
PID:601

/usr/libexec/xpcproxy
xpcproxy com.apple.rtcreportingd
1⤵
PID:602

/usr/libexec/rtcreportingd
/usr/libexec/rtcreportingd
1⤵
PID:602

/usr/libexec/xpcproxy
xpcproxy com.apple.accessibility.mediaaccessibilityd
1⤵
PID:603

/System/Library/Frameworks/MediaAccessibility.framework/Versions/A/XPCServices/com.apple.accessibility.mediaaccessibilityd.xpc/Contents/MacOS/com.apple.accessibility.mediaaccessibilityd
/System/Library/Frameworks/MediaAccessibility.framework/Versions/A/XPCServices/com.apple.accessibility.mediaaccessibilityd.xpc/Contents/MacOS/com.apple.accessibility.mediaaccessibilityd
1⤵
PID:603

/usr/libexec/xpcproxy
xpcproxy com.apple.coremedia.videodecoder 594
1⤵
PID:604

/System/Library/Frameworks/VideoToolbox.framework/Versions/A/XPCServices/VTDecoderXPCService.xpc/Contents/MacOS/VTDecoderXPCService
/System/Library/Frameworks/VideoToolbox.framework/Versions/A/XPCServices/VTDecoderXPCService.xpc/Contents/MacOS/VTDecoderXPCService
1⤵
PID:604

/usr/libexec/xpcproxy
xpcproxy com.apple.corespotlightservice.725FD30A-6064-6C02-CC51-5DDB8891B57E
1⤵
PID:605

/System/Library/Frameworks/CoreSpotlight.framework/CoreSpotlightService
/System/Library/Frameworks/CoreSpotlight.framework/CoreSpotlightService
1⤵
PID:605

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Resource Forking

1

T1564.009

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/Library/Preferences/com.apple.networkextension.uuidcache.plist

Filesize
355B

MD5
a6ef4856e99c9d8e1d9bb762c5a8503a

SHA1
25d5405ad91791b716ae5a56b37aa2b393854967

SHA256
232441aa129d4f21999860b8bf31db4b8617df9f7d32ef5f25a383edff82d9fa

SHA512
582fa1ea60766a5a4e99b295a8ed98c94f6bab45e42b7e8db61e9ad645f531891082cd457bfd11d660195af86f02c4ed93589e6e6daded683cff2d8319bbc489

Download Submit
/Library/Preferences/com.apple.networkextension.uuidcache.plist

Filesize
355B

MD5
2f01f7a00c85e424f82b00b2bf794a7c

SHA1
c75cb52aa31012888dd7c65373d5faba6048c425

SHA256
23d6746cb1c1906c9cfb5c69f7377f7cb68965ac0708ed1d600bfd3d3c34ce32

SHA512
75131e0145182653cef2edbb968853c9cb3c26c37c5821f3cd69c3ecdde7979ae37e74ecea8ad333090a473177c6dad43bc34f94a8fd104cd4c9b16c8f7b54f8

Download Submit
/Library/Preferences/com.apple.networkextension.uuidcache.plist

Filesize
388B

MD5
87550d55ec96a6c944fcb67a9de7d2a4

SHA1
2c9e20db51fd2b566a6e791c9f1f3264d691aebd

SHA256
dd488974d5971bab150c3a4ed351e15836c10ad5b02e0e0ffe6eae04b1c1f881

SHA512
760c6ac7bbd7e7ea9f3805e91bb3cd6a00b5e4f513e44e388379a6d24c57a0ceed9e86d601ab86fc17328a24a6aa3e546b3c53ab5a40a9082058614014dafc6a

Download Submit
/Users/run/Library/Caches/GeoServices/ActiveTileGroup.pbd

Filesize
124KB

MD5
97d85976d5b8a5518eeec49c4051a20c

SHA1
43a752e8eb739c13778ffdd3e5a4a660c9868d43

SHA256
451b7dc4fd6925653eb41c6c572aba3376d38132e83c4c70e7159ef1e19dfab5

SHA512
8d207ce0e5c7c3d4bcb0ac00faf791ab657c0ac2d61e667c3a92acf8799191f9033ee8a8344e344dd94d3e238d0ba6994a54907b0f3cea511bd5cccf653a2967

Download Submit
/Users/run/Library/Caches/GeoServices/Resources/altitude-1285.xml

Filesize
179KB

MD5
9a43af57707d2fb460832049d1f217d1

SHA1
056d813f8cb5198ca82072f7e3484f38ea5267f8

SHA256
7224f8828694ed74a8353567e4d84da188d15a993a4a75938f8409cb49218e7c

SHA512
1f33175f5d0958c79540a627552f71c6960b6ff19c9b2b0aa604c00bfeff216f6ea2ec3a22ef91ad8d7249597fdf5ad49ddbf5f4aef71b397e785152474954d7

Download Submit
/var/folders/zz/zyxvpxvq6csfxvn_n00000sm00006d/C//mds/mdsDirectory.db

Filesize
47KB

MD5
0e4a0d1ceb2af6f0f8d0167ce77be2d3

SHA1
414ba4c1dc5fc8bf53d550e296fd6f5ad669918c

SHA256
cca093bcfc65e25dd77c849866e110df72526dffbe29d76e11e29c7d888a4030

SHA512
1dc5282d27c49a4b6f921ba5dfc88b8c1d32289df00dd866f9ac6669a5a8d99afeda614bffc7cf61a44375ae73e09cd52606b443b63636977c9cd2ef4fa68a20

Download Submit
/var/folders/zz/zyxvpxvq6csfxvn_n00000sm00006d/C//mds/mdsObject.db

Filesize
4KB

MD5
d3a1859e6ec593505cc882e6def48fc8

SHA1
f8e6728e3e9de477a75706faa95cead9ce13cb32

SHA256
3ebafa97782204a4a1d75cfec22e15fcdeab45b65bab3b3e65508707e034a16c

SHA512
ea2a749b105759ea33408186b417359deffb4a3a5ed0533cb26b459c16bb3524d67ede5c9cf0d5098921c0c0a9313fb9c2672f1e5ba48810eda548fa3209e818

Download Submit

Analysis

Sharing