hxxp://vengeful-egg[.]com

Analysis

max time kernel
1789s
max time network
1820s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12/11/2023, 22:22

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General

Target

http://vengeful-egg.com

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	firefox.exe
Token: SeDebugPrivilege	2692	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2692	firefox.exe
2692	firefox.exe
2692	firefox.exe
2692	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2692	firefox.exe
2692	firefox.exe
2692	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2720 wrote to memory of 2692	2720	firefox.exe	29
PID 2692 wrote to memory of 2516	2692	firefox.exe	30
PID 2692 wrote to memory of 2516	2692	firefox.exe	30
PID 2692 wrote to memory of 2516	2692	firefox.exe	30
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2504	2692	firefox.exe	31
PID 2692 wrote to memory of 2340	2692	firefox.exe	32
PID 2692 wrote to memory of 2340	2692	firefox.exe	32
PID 2692 wrote to memory of 2340	2692	firefox.exe	32
PID 2692 wrote to memory of 2340	2692	firefox.exe	32
PID 2692 wrote to memory of 2340	2692	firefox.exe	32

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://vengeful-egg.com"
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://vengeful-egg.com
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.0.1158982139\1303759357" -parentBuildID 20221007134813 -prefsHandle 1232 -prefMapHandle 1212 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d4ae654e-49d4-40ee-9f22-373f99b2d632} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 1308 10bd8058 gpu
    3⤵
    PID:2516
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.1.881256941\1920542413" -parentBuildID 20221007134813 -prefsHandle 1516 -prefMapHandle 1512 -prefsLen 21799 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {972fb8ad-fca5-439e-acb7-192d447a7fda} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 1528 d71658 socket
    3⤵
    PID:2504
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.2.1187607159\1709958072" -childID 1 -isForBrowser -prefsHandle 2024 -prefMapHandle 1924 -prefsLen 21837 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {92d38bd4-6fee-40a6-a846-e02ed3a08c15} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 2156 19bd0e58 tab
    3⤵
    PID:2340
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.3.851478907\114612137" -childID 2 -isForBrowser -prefsHandle 2912 -prefMapHandle 2908 -prefsLen 26482 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {01ab6ddd-95b3-4c25-8891-e1e320ca5896} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 2928 1c986458 tab
    3⤵
    PID:2096
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.4.1715175337\1724993263" -childID 3 -isForBrowser -prefsHandle 2096 -prefMapHandle 3360 -prefsLen 26541 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {988ffd15-63e0-4cf1-8be3-421f6b6b5f74} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 2960 1d457858 tab
    3⤵
    PID:1148
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.7.13640308\1026115723" -childID 6 -isForBrowser -prefsHandle 3648 -prefMapHandle 3644 -prefsLen 27062 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {2b5cf1d3-ee17-4125-a660-d4938e93f3b7} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 3720 1e48e458 tab
    3⤵
    PID:2260
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.6.1918246465\1766432790" -childID 5 -isForBrowser -prefsHandle 3632 -prefMapHandle 3628 -prefsLen 27062 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {711697b7-73ad-4707-9f7c-eadfefe8b4fe} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 1916 1e48f058 tab
    3⤵
    PID:2044
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2692.5.579993948\63979930" -childID 4 -isForBrowser -prefsHandle 3608 -prefMapHandle 2324 -prefsLen 27062 -prefMapSize 232675 -jsInitHandle 860 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {70458168-3f55-44fe-ade8-d96733dbfe74} 2692 "\\.\pipe\gecko-crash-server-pipe.2692" 3624 1d457558 tab
    3⤵
    PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\activity-stream.discovery_stream.json.tmp

Filesize
22KB

MD5
fa421170996b4fda8c704cf1810dbc8f

SHA1
bfb80176ac6f471970feda62292fdd23abc78ab7

SHA256
2ccb243b454fff83f91839a0daae9f855814ce657e7eaa3e91edcff27bce945f

SHA512
06b291ef01b6228ba3bdd1ee093f6cd96eb04a85e607f3b7a658402a2419e4b73982b24b06de7f7dd95aa2132653c81b42591171df8858d7d4eb772005a3d3a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon

Filesize
442KB

MD5
85430baed3398695717b0263807cf97c

SHA1
fffbee923cea216f50fce5d54219a188a5100f41

SHA256
a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

SHA512
06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

Filesize
8.0MB

MD5
a01c5ecd6108350ae23d2cddf0e77c17

SHA1
c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

SHA256
345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

SHA512
b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms

Filesize
7KB

MD5
6ae3cc0c915926c1d5e97b1b5c2e22cc

SHA1
f2f3a67e4fb42d0994b4e1263c855b9cc423450a

SHA256
35280f80e36999993a09338058ec9658935ec662fa56828969f1db2393701fb9

SHA512
af5d480a8266aa1deb5ef41c56fac3958e57e9e7e005ab208cb7de296ba4295ae89266a4b5e8160fa12868b4988182fe170a8aad92168a60915a78ac772a773c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

Filesize
997KB

MD5
fe3355639648c417e8307c6d051e3e37

SHA1
f54602d4b4778da21bc97c7238fc66aa68c8ee34

SHA256
1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

SHA512
8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

Filesize
116B

MD5
3d33cdc0b3d281e67dd52e14435dd04f

SHA1
4db88689282fd4f9e9e6ab95fcbb23df6e6485db

SHA256
f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

SHA512
a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

Filesize
479B

MD5
49ddb419d96dceb9069018535fb2e2fc

SHA1
62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

SHA256
2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

SHA512
48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

Filesize
372B

MD5
8be33af717bb1b67fbd61c3f4b807e9e

SHA1
7cf17656d174d951957ff36810e874a134dd49e0

SHA256
e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

SHA512
6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

Filesize
11.8MB

MD5
33bf7b0439480effb9fb212efce87b13

SHA1
cee50f2745edc6dc291887b6075ca64d716f495a

SHA256
8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

SHA512
d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

Filesize
1KB

MD5
688bed3676d2104e7f17ae1cd2c59404

SHA1
952b2cdf783ac72fcb98338723e9afd38d47ad8e

SHA256
33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

SHA512
7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

Filesize
1KB

MD5
937326fead5fd401f6cca9118bd9ade9

SHA1
4526a57d4ae14ed29b37632c72aef3c408189d91

SHA256
68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

SHA512
b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\prefs-1.js

Filesize
7KB

MD5
54e2019f1e3ac3a58f0361f9ad00d4dc

SHA1
b8d83b60485ede66b22178be967d5a8304eb9095

SHA256
8b4f6449fc851b141b2d2ba5cd883a91437b4aee872877c7bfc32eacb8d10056

SHA512
20d8728d2cb83b5907f56c7b19133a12bc18d96b5f3df17fb3e0be8de902b955c9a9ea0829926367af05b88309b3a854ae84119e10da77a925b189978069669e

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\prefs-1.js

Filesize
7KB

MD5
7841e76321405c49425ca753e87f7ad8

SHA1
49eaf32a675cdd68074d7ab388864983e98595c0

SHA256
991260318c12c9fbf10e98252222c746baa71c82fc75c35984791c5691e13e6f

SHA512
8506dca355e391c15ceb6f32b25c656ab676835009d4230a7abc7800ca4492ae539b36ced0f52c3c809df1d459018fa5eaacb35b07474b178f04b827f737772c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\prefs-1.js

Filesize
7KB

MD5
510da579e4cba78036c6e6e94f31c72a

SHA1
d21f876c48cbd2174869dd78992559ae0997571f

SHA256
e9722b163e58104156b27af531b0b2e0a9650610955b1d5e663a96b7562c18be

SHA512
5b13121ff25312f62e28941c104c3a290f01ce107c31df86f1464cf800e0dca9f3eeb9ce85097dc1add320e0d43938f07c380ffbe664417777c047c8be8cad16

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
935B

MD5
9cfbe15a4fbfd581bfec4dd41c08f50b

SHA1
38a3e48043be77e92f81a531ae147ada9c5c5f45

SHA256
3d34d4e6ba510e18667ede6c1dc9c28e070ad830be243b089a33a8fea89df7c7

SHA512
c994c03979b9531e630e90954134a718784bea7e1357014800757c4e9e96ae129e1dbb9bc315c6c371348552ea4e5f8e71857c0d86d31ea159de9a8c6b59052b

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
172d6c53bcb6747c0f676a93642dfae9

SHA1
057568aa55a1e2dbe3d418f960c447d0dfe6bae3

SHA256
95ff082fb5f49774d8794f72438f6ad2ae4a4b3820793b387c7622e7e39bb5f9

SHA512
24e6726336e96abfa2fa6e11a339151398116c5fe54dbc6545d38f2b49151664addf48c964691f04db3d0286f213c371cc29284d0aee466c503ebeb446bdd7bd

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jkbp0wxn.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

Filesize
448KB

MD5
8451897cdf142a9080a75c556533f506

SHA1
1ccfd906acd2802fd20e91a4f57b12ee3417138c

SHA256
b08354e613f16109ab96954d47473d7826c85097fb82029a8654b24888095ce4

SHA512
3249c401299c01b8dfd9ce64e9c3f2684e1e5576479638ff98b9d0aba0997738776a3d9854d3cc475786c8aff9e33bad8caec065e1e7ac4431fdf59fd9791f5d

Download Submit