e37ca5963a85c81ebcd79d8583fdc10a164bac77c5d3c95b8f9f3f3eb6660e17

Resubmissions

13/11/2023, 18:08

231113-wrd6fsed3x 7

13/11/2023, 18:06

231113-wp8bhseh43 1

Analysis

max time kernel
1682s
max time network
1563s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
13/11/2023, 18:06

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General

Target

guyfuyfuyf.html
Size

660B
MD5

c8517e8b0db7254adae9dd4d6857af64
SHA1

570f3b013ba656825351035b93d9ecada949d283
SHA256

e37ca5963a85c81ebcd79d8583fdc10a164bac77c5d3c95b8f9f3f3eb6660e17
SHA512

7e40b28323efef221e748dfb5b4e42c27eab1ef4085e890959982c916191016dbfe5cb7d6a059ee200909c432aee032d6ce718f9c0873d38063c843bea28d6ae

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 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
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	firefox.exe
Token: SeDebugPrivilege	2792	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2792	firefox.exe
2792	firefox.exe
2792	firefox.exe
2792	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2792	firefox.exe
2792	firefox.exe
2792	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2948 wrote to memory of 2792	2948	firefox.exe	28
PID 2792 wrote to memory of 2496	2792	firefox.exe	29
PID 2792 wrote to memory of 2496	2792	firefox.exe	29
PID 2792 wrote to memory of 2496	2792	firefox.exe	29
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2516	2792	firefox.exe	30
PID 2792 wrote to memory of 2908	2792	firefox.exe	31
PID 2792 wrote to memory of 2908	2792	firefox.exe	31
PID 2792 wrote to memory of 2908	2792	firefox.exe	31
PID 2792 wrote to memory of 2908	2792	firefox.exe	31
PID 2792 wrote to memory of 2908	2792	firefox.exe	31

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 "C:\Users\Admin\AppData\Local\Temp\guyfuyfuyf.html"
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\guyfuyfuyf.html
  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:2792
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.0.1963510963\1946267842" -parentBuildID 20221007134813 -prefsHandle 1216 -prefMapHandle 1208 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5edd389c-3aa3-416e-befb-dc4cbfd6d248} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 1292 114dee58 gpu
    3⤵
    PID:2496
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.1.1562946897\1079516922" -parentBuildID 20221007134813 -prefsHandle 1484 -prefMapHandle 1480 -prefsLen 21799 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d61ef42c-1921-473c-9ac8-ec191e0923aa} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 1496 e72c58 socket
    3⤵
    PID:2516
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.2.1457212454\1507540120" -childID 1 -isForBrowser -prefsHandle 2100 -prefMapHandle 2016 -prefsLen 21902 -prefMapSize 232675 -jsInitHandle 868 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a6f75b97-264c-4779-936b-cb380ee54bee} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 2112 19ca1658 tab
    3⤵
    PID:2908
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.3.1408264919\53524582" -childID 2 -isForBrowser -prefsHandle 584 -prefMapHandle 796 -prefsLen 26482 -prefMapSize 232675 -jsInitHandle 868 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {68d4b277-8ff9-499d-b32a-82c022b2b4aa} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 648 19e5e358 tab
    3⤵
    PID:1284
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.4.1581227696\2070781244" -childID 3 -isForBrowser -prefsHandle 3568 -prefMapHandle 3588 -prefsLen 26716 -prefMapSize 232675 -jsInitHandle 868 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {648144a8-dd0d-4818-aa82-5bdeebf77b46} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 3616 1e689658 tab
    3⤵
    PID:1784
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.6.167901078\414138102" -childID 5 -isForBrowser -prefsHandle 3892 -prefMapHandle 3896 -prefsLen 26716 -prefMapSize 232675 -jsInitHandle 868 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e625fdfd-7568-49de-85c4-180b715ddd00} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 3880 1e687558 tab
    3⤵
    PID:2052
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2792.5.1489787455\2104410532" -childID 4 -isForBrowser -prefsHandle 3728 -prefMapHandle 3732 -prefsLen 26716 -prefMapSize 232675 -jsInitHandle 868 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {caa607d6-d59a-4565-9eee-3f972974155a} 2792 "\\.\pipe\gecko-crash-server-pipe.2792" 3716 1e688758 tab
    3⤵
    PID:2428

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\s5818u5m.default-release\activity-stream.discovery_stream.json.tmp

Filesize
22KB

MD5
e4159b62df0a1646baceaca1000d3534

SHA1
203051e8b8bd102ef849cdb0da4229736a058278

SHA256
e79512b94ff30f78731f1fdaac8c20f34b925b97a81b4e3b7a7fb0beadabf759

SHA512
4cdaf6f702469e9ccf2cc59411865f46dd07bda12ef0952400d3f361b68244fc9e3783e8b04e4a6410e3797aa5a3da55990cc4db84d0ea491e30d4de6693c51f

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\s5818u5m.default-release\cache2\entries\51D52D298316CD3F9A90A40E946BB34EFA1BFB72

Filesize
13KB

MD5
1526891200984e7a8000ce1c2f0364eb

SHA1
28a617b866574eb82604ae30064c5bad40f31985

SHA256
d015cd5aebec83d73e4c92b17bbf939c9fa7f179bd8a46d0b2eb95497c33ac88

SHA512
9e147a08273df9fec1c662c0b801b77d5a19cafae9d59fd808c3ba99a5c246260b7214cef41cf368c7ccf63fa35ab57bc54e225e756c06dc0ae41d59e8abac3a

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\s5818u5m.default-release\cache2\entries\577A586685F8D27BD5B926CE96132B84424D8EA4

Filesize
13KB

MD5
9f7200dec628047145b5daca7957f383

SHA1
47262cb96275a0e81a5834ab41884222d71a6aaf

SHA256
8e37adc1fe7440602ef8148c8cba7c0e99e379c6943e702c269c2b7426e2344d

SHA512
d318135012a21ade583073cd8d517ca3c22982d672e2cb106c147820b3ba0c389ce8581882b4fe3d70ea7a16f40655731882313fd03a6bc89d0cd12eafa455c1

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
5bcc54d1731d22538d5d47fdb58da7dc

SHA1
a5e991cd1d11aaf6f41198f7c561912508afaa35

SHA256
22c9dbfebae896566103e2ab6192770adf59d928bd27eb3e6f330c64ef02a84a

SHA512
99278e5fdb42e988459afe2b60672071437f27118201fba43e7dfab063c6ade9f5bbc19bfd6188cdb22b8efc11c740778c2df28d9d86007cde7984040642174d

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\s5818u5m.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\s5818u5m.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\s5818u5m.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\s5818u5m.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\s5818u5m.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\s5818u5m.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\s5818u5m.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\s5818u5m.default-release\prefs-1.js

Filesize
9KB

MD5
f685e6bb29f8321eed1a0316a1325c31

SHA1
5f41f11aab6ddea58381fadf649b968b3140c0f5

SHA256
5e448eb4b0ee7ceaf2a29199de77316ecf0ce54be59163f34328cbbfea93aa5c

SHA512
a0d342d9a434dfe52e68dc75b6ceea0cfb65749acb894ab047ba8027235baa577152075f07a39e6c762146e8a92dff1f27a4a25900604795fc067a3ba25e4905

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\s5818u5m.default-release\prefs-1.js

Filesize
7KB

MD5
5dced511877156cd145a39d2734c678a

SHA1
d92fa17055c377349d40b90a1017c8948b662245

SHA256
20dc5a58ed6d59a6ad5ce00b1d7f70261f52f74fa35156a1f2051f96a936e272

SHA512
5574cd4187f7662edd3bc2cadbcd4513b9bbfcabbdeb23366518b3a2409e441c342236c73a36e670c3dc79576856cb81982d61d54fdbde72e5469c6474bd9783

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\s5818u5m.default-release\prefs-1.js

Filesize
7KB

MD5
63dd7590fb5ffd3371d071fe50241a6c

SHA1
b8d1a6da6ff98a7fcb27f7b7bb663db1639efff3

SHA256
eb54dac2a01d201fe306c771346001552fe0d8f9e6277a40c37adec2c9ebee16

SHA512
71f0b436e6b1f17ee45a3bf2782a7b4eaa7e595f77761ff5aaa4f95e6b5afc9c1148c1433f860076741f323fd41d9d503923a54b5b6ff6752016a28d8b6e3a6c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\s5818u5m.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
7b557d0e8d08953109fa44c67716aa23

SHA1
567aa4904f573a3ee4bd559a4c1a25ec93ba07cf

SHA256
20d753dc3d07a7600afba63835c7bdaf62633d0c233a54915105b02e052dc649

SHA512
5c29232ca595dbaa7c5fc803a1d40c19f02cb230aad394a88f628ccc1c3e5e166e3a25a33bf55d8984bcbe8b0bfd07392e73f5943372ea71624e7c54c0bc444e

Download Submit