webmonitor | fae42a1d8dbd274ade612e53f14f4f48213f7397e413b32fb499ecf4179409b0

Analysis

max time kernel
153s
max time network
14s
platform
windows7_x64
resource
win7v20210408
submitted
11-05-2021 06:41

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General

Target

INVOICE20210511.exe
Size

1.3MB
MD5

63f0d02851b4513b062581c91b62132b
SHA1

18a60c599d7e5daba6d6982ae33ca14d4e4067df
SHA256

fae42a1d8dbd274ade612e53f14f4f48213f7397e413b32fb499ecf4179409b0
SHA512

6407a553565fecf34f2f6fb4afb755ee262be43f19469e67e529fb1fc2c6559eba7a6867f9d059d35f39d7c86ae0fa84e8b10c3ce4e07050ea2a2dafd11e862e

Score

10^/10

webmonitor backdoor infostealer rat

Malware Config

Signatures

RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
backdoor rat infostealer webmonitor

WebMonitor Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1600-81-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral1/memory/1600-82-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral1/memory/1600-90-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE20210511.exe

description pid process target process

PID 1652 set thread context of 1600 1652 INVOICE20210511.exe INVOICE20210511.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

276 schtasks.exe

description	pid	process	target process
PID 1652 set thread context of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe

pid	process
276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

INVOICE20210511.exepowershell.exepowershell.exepowershell.exe

pid	process
1652	INVOICE20210511.exe
1652	INVOICE20210511.exe
1652	INVOICE20210511.exe
1840	powershell.exe
544	powershell.exe
852	powershell.exe
544	powershell.exe
1840	powershell.exe
852	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

INVOICE20210511.exepowershell.exepowershell.exepowershell.exeINVOICE20210511.exe

description	pid	process
Token: SeDebugPrivilege	1652	INVOICE20210511.exe
Token: SeDebugPrivilege	1840	powershell.exe
Token: SeDebugPrivilege	852	powershell.exe
Token: SeDebugPrivilege	544	powershell.exe
Token: SeShutdownPrivilege	1600	INVOICE20210511.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

INVOICE20210511.exe

description	pid	process	target process
PID 1652 wrote to memory of 544	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 544	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 544	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 544	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 1840	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 1840	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 1840	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 1840	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 276	1652	INVOICE20210511.exe	schtasks.exe
PID 1652 wrote to memory of 276	1652	INVOICE20210511.exe	schtasks.exe
PID 1652 wrote to memory of 276	1652	INVOICE20210511.exe	schtasks.exe
PID 1652 wrote to memory of 276	1652	INVOICE20210511.exe	schtasks.exe
PID 1652 wrote to memory of 852	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 852	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 852	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 852	1652	INVOICE20210511.exe	powershell.exe
PID 1652 wrote to memory of 1080	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1080	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1080	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1080	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe
PID 1652 wrote to memory of 1600	1652	INVOICE20210511.exe	INVOICE20210511.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nbBnuvGQkNaCaX.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nbBnuvGQkNaCaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp648D.tmp"
2⤵
- Creates scheduled task(s)
PID:276

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nbBnuvGQkNaCaX.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852

C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe"
2⤵
PID:1080

C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE20210511.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_10a2719f-ab19-452c-9537-375fecbe5f96
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1abda922-9e0e-4200-89d0-60796083afcc
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4c5bee4c-a2fd-4850-a965-179f3cd0c493
MD5
354b8209f647a42e2ce36d8cf326cc92

SHA1
98c3117f797df69935f8b09fc9e95accfe3d8346

SHA256
feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

SHA512
420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_60554f64-a36e-4439-8748-76f202d7cb75
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6415eb3c-cc34-45de-8453-04c6918e3017
MD5
d89968acfbd0cd60b51df04860d99896

SHA1
b3c29916ccb81ce98f95bbf3aa8a73de16298b29

SHA256
1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

SHA512
b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6ccb18ff-7a22-469e-90e7-ccc861e1432b
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7bc5ca8a-50eb-4a28-856a-31595e01418a
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8d086492-4c0b-4d9d-97ca-4c52c748391c
MD5
a70ee38af4bb2b5ed3eeb7cbd1a12fa3

SHA1
81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

SHA256
dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

SHA512
8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bd47eb21-a96b-4ccd-99d7-0d9f3f6c10b6
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c9b427a0-6073-4eb8-9b09-f8e4712d7ab5
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e4e9b2ea-a2cd-49b5-b909-ccc136a97484
MD5
7f79b990cb5ed648f9e583fe35527aa7

SHA1
71b177b48c8bd745ef02c2affad79ca222da7c33

SHA256
080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

SHA512
20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
e91c30a081663d88cf779dfab8fc272f

SHA1
79f2e9a9ff0d83225b6cd48c867ee46f95678c72

SHA256
5ce7bf2302579453c5f44453fd9c38fefc789b23cb34369c12fb2b763a783f3f

SHA512
904410abe5649099e276d96684eda6ccdf4af451a23474ffa835f412408da6c404fdf22532f2642052134f75245a6759740978efbf20e0b7ad4a1d1e69357ade

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
9780c630ee30c2f0c3101140dc44b286

SHA1
8ac2f7d432cd1db758b68ade2d20eadf053a7091

SHA256
8465e04352f7bf78b3dbe8dec7583071c9e44c801629d5a07ae029e63ee6b2db

SHA512
82559e4dc91075368867cb29ea120124e9f1a65e6fff657a57a1596b353a18851123f1b3961fe9a85e6405c2d17357b85a1644c9095ddd47227040f137ebea58

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
2bcb31089ddd87a38809c29f135b5167

SHA1
a2242050e9128eaa1ad72cb56558c1d5f14c89d5

SHA256
d39c5669426d87e32d89a9bc320aee49b6f0aefe6b41241007e9a9f603448987

SHA512
8eb9f80b1f4b101e54853a2e1fe0e3a7f7cd130a63c82016cc42892b65ca3eee33cf640ca405b3b6ecff7558a697db0aa1220b4afaeccacfc6d1ad2489ea76f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp648D.tmp
MD5
fd4c36614eab55dd3043c221e48cb49d

SHA1
ca643607b56c7330801305694cbb79ad605a436f

SHA256
c41c28b25a672e418c01b3b591d7161563a247ae78c41eb4f390881d75f98510

SHA512
74faaa1d05d98484d1da527f5e9fdf14540f40581ea37b67c29c95a04c8b62a696059d54457c416a0c1189042fc9fe0ff93c9bbc208428aa039af39ca37e9491

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
cf4dd567647a7ef3b5f30368e18df9ce

SHA1
c0ce9b206a8eb3f2d63b5b73190be759183f38d3

SHA256
b7a9cae5f2182bba3089a1e6649a1a5929004bab95b20325a37c339c772b3d73

SHA512
f3efd6eceb698bcada22dd6f9866e21878b543020dc8b18bfd0cc3d57a5621fa663f16486d68ce9d2de8113fa54963f0515ec0d2f8cb34f02dcbd3bce9a94ab6

Download Submit
memory/276-70-0x0000000000000000-mapping.dmp

Download
memory/544-77-0x0000000004900000-0x0000000004901000-memory.dmp

Filesize
4KB

Download
memory/544-85-0x00000000048C2000-0x00000000048C3000-memory.dmp

Filesize
4KB

Download
memory/544-83-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download
memory/544-66-0x0000000000000000-mapping.dmp

Download
memory/544-91-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/544-94-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/544-67-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/544-72-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/852-74-0x0000000000000000-mapping.dmp

Download
memory/852-87-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/852-88-0x0000000004992000-0x0000000004993000-memory.dmp

Filesize
4KB

Download
memory/1600-90-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1600-97-0x00000000031E0000-0x00000000041E0000-memory.dmp

Filesize
16.0MB

Download
memory/1600-81-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1600-82-0x000000000049D8CA-mapping.dmp

Download
memory/1652-60-0x00000000012A0000-0x00000000012A1000-memory.dmp

Filesize
4KB

Download
memory/1652-65-0x00000000096E0000-0x0000000009821000-memory.dmp

Filesize
1.3MB

Download
memory/1652-62-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/1652-63-0x00000000003D0000-0x00000000003D4000-memory.dmp

Filesize
16KB

Download
memory/1652-64-0x0000000005CF0000-0x0000000005E36000-memory.dmp

Filesize
1.3MB

Download
memory/1840-84-0x0000000004840000-0x0000000004841000-memory.dmp

Filesize
4KB

Download
memory/1840-137-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/1840-86-0x0000000004842000-0x0000000004843000-memory.dmp

Filesize
4KB

Download
memory/1840-100-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1840-68-0x0000000000000000-mapping.dmp

Download
memory/1840-114-0x0000000006200000-0x0000000006201000-memory.dmp

Filesize
4KB

Download
memory/1840-107-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/1840-136-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/1840-106-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1840-121-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1840-105-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download