3179e176a06c90654c5b09926827b60c79f9c8d951bb64c982ad531571287434

Resubmissions

14-10-2024 19:36

241014-ybczkaweqp 10

13-10-2024 20:51

241013-zm6lpaxgmd 10

13-10-2024 20:02

241013-yr3j6azfjj 10

13-10-2024 19:52

241013-ylteaszcqj 10

Analysis

max time kernel
2s
max time network
4s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 20:51

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General

Target

BlakTool.exe
Size

24.8MB
MD5

a053448552bfad71ae030068b669ce67
SHA1

260da910d644ca868ea9be489e243c0f7edd6544
SHA256

3179e176a06c90654c5b09926827b60c79f9c8d951bb64c982ad531571287434
SHA512

8877b1f5fa0049e776b0b25f4123523ba29667ed54ab6dc56f0580817a3e71e5761677524ed89589c1ee2a90b3596c79ee9c9dc31b4e559c7d7a490f6875f00b
SSDEEP

393216:nlkVni+kqfp1uhf48a1kq9tse4Yw+LTR2wfhtm1FurEUWjC3zDbd4AC:nlkVqmp1Whaa4Gd+Ll2wpI3dbCh4AC

Score

8^/10

execution upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4192	powershell.exe
4844	powershell.exe

Loads dropped DLL 14 IoCs

pid	Process
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe
864	BlakTool.exe

UPX packed file 32 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0008000000023bcb-22.dat	upx
behavioral1/memory/864-26-0x00007FF997D00000-0x00007FF9982F2000-memory.dmp	upx
behavioral1/files/0x000a000000023b9d-28.dat	upx
behavioral1/memory/864-31-0x00007FF9ABA00000-0x00007FF9ABA24000-memory.dmp	upx
behavioral1/files/0x0008000000023bc6-36.dat	upx
behavioral1/files/0x0008000000023bb9-50.dat	upx
behavioral1/files/0x000e000000023bb0-49.dat	upx
behavioral1/files/0x000a000000023ba9-48.dat	upx
behavioral1/files/0x000b000000023ba1-47.dat	upx
behavioral1/files/0x000b000000023ba0-46.dat	upx
behavioral1/files/0x000b000000023b9f-45.dat	upx
behavioral1/files/0x000a000000023b9e-44.dat	upx
behavioral1/files/0x000a000000023b9c-43.dat	upx
behavioral1/files/0x0008000000023bfe-42.dat	upx
behavioral1/files/0x0008000000023bfd-41.dat	upx
behavioral1/files/0x0008000000023bfc-40.dat	upx
behavioral1/files/0x0008000000023bca-37.dat	upx
behavioral1/memory/864-33-0x00007FF9AFF30000-0x00007FF9AFF3F000-memory.dmp	upx
behavioral1/files/0x0008000000023bc9-32.dat	upx
behavioral1/memory/864-56-0x00007FF9A7CF0000-0x00007FF9A7D1D000-memory.dmp	upx
behavioral1/memory/864-58-0x00007FF9AF370000-0x00007FF9AF389000-memory.dmp	upx
behavioral1/memory/864-60-0x00007FF9A7CC0000-0x00007FF9A7CE3000-memory.dmp	upx
behavioral1/memory/864-62-0x00007FF997B80000-0x00007FF997CFE000-memory.dmp	upx
behavioral1/memory/864-66-0x00007FF9AC310000-0x00007FF9AC31D000-memory.dmp	upx
behavioral1/memory/864-65-0x00007FF9AD9B0000-0x00007FF9AD9C9000-memory.dmp	upx
behavioral1/memory/864-68-0x00007FF9A7A70000-0x00007FF9A7AA3000-memory.dmp	upx
behavioral1/memory/864-73-0x00007FF9A70F0000-0x00007FF9A71BD000-memory.dmp	upx
behavioral1/memory/864-72-0x00007FF997D00000-0x00007FF9982F2000-memory.dmp	upx
behavioral1/memory/864-76-0x00007FF9ABA00000-0x00007FF9ABA24000-memory.dmp	upx
behavioral1/memory/864-75-0x00007FF997650000-0x00007FF997B79000-memory.dmp	upx
behavioral1/memory/864-80-0x00007FF9AC300000-0x00007FF9AC30D000-memory.dmp	upx
behavioral1/memory/864-78-0x00007FF9A85B0000-0x00007FF9A85C4000-memory.dmp	upx

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 864	832	BlakTool.exe	86
PID 832 wrote to memory of 864	832	BlakTool.exe	86

C:\Users\Admin\AppData\Local\Temp\BlakTool.exe
"C:\Users\Admin\AppData\Local\Temp\BlakTool.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\BlakTool.exe
  "C:\Users\Admin\AppData\Local\Temp\BlakTool.exe"
  2⤵
  - Loads dropped DLL
  PID:864
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\BlakTool.exe'"
    3⤵
    PID:4588
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\BlakTool.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:4844
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"
    3⤵
    PID:4160
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:4192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI8322\VCRUNTIME140.dll

Filesize
116KB

MD5
be8dbe2dc77ebe7f88f910c61aec691a

SHA1
a19f08bb2b1c1de5bb61daf9f2304531321e0e40

SHA256
4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

SHA512
0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_bz2.pyd

Filesize
48KB

MD5
3bd0dd2ed98fca486ec23c42a12978a8

SHA1
63df559f4f1a96eb84028dc06eaeb0ef43551acd

SHA256
6beb733f2e27d25617d880559299fbebd6a9dac51d6a9d0ab14ae6df9877da07

SHA512
9ffa7da0e57d98b8fd6b71bc5984118ea0b23bf11ea3f377dabb45b42f2c8757216bc38ddd05b50c0bc1c69c23754319cef9ffc662d4199f7c7e038a0fb18254

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_ctypes.pyd

Filesize
58KB

MD5
343e1a85da03e0f80137719d48babc0f

SHA1
0702ba134b21881737585f40a5ddc9be788bab52

SHA256
7b68a4ba895d7bf605a4571d093ae3190eac5e813a9eb131285ae74161d6d664

SHA512
1b29efad26c0a536352bf8bb176a7fe9294e616cafb844c6d861561e59fbda35e1f7c510b42e8ed375561a5e1d2392b42f6021acc43133a27ae4b7006e465ba8

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_decimal.pyd

Filesize
107KB

MD5
8b623d42698bf8a7602243b4be1f775d

SHA1
f9116f4786b5687a03c75d960150726843e1bc25

SHA256
7c2f0a65e38179170dc69e1958e7d21e552eca46fcf62bbb842b4f951a86156c

SHA512
aa1b497629d7e57b960e4b0ab1ea3c28148e2d8ebd02905e89b365f508b945a49aacfbd032792101668a32f8666f8c4ef738de7562979b7cf89e0211614fa21a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_hashlib.pyd

Filesize
35KB

MD5
d71df4f6e94bea5e57c267395ad2a172

SHA1
5c82bca6f2ce00c80e6fe885a651b404052ac7d0

SHA256
8bc92b5a6c1e1c613027c8f639cd8f9f1218fc4f7d5526cfcb9c517a2e9e14c2

SHA512
e794d9ae16f9a2b0c52e0f9c390d967ba3287523190d98279254126db907ba0e5e87e5525560273798cc9f32640c33c8d9f825ff473524d91b664fe91e125549

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_lzma.pyd

Filesize
86KB

MD5
932147ac29c593eb9e5244b67cf389bb

SHA1
3584ff40ab9aac1e557a6a6009d10f6835052cde

SHA256
bde9bccb972d356b8de2dc49a4d21d1b2f9711bbc53c9b9f678b66f16ca4c5d3

SHA512
6e36b8d8c6dc57a0871f0087757749c843ee12800a451185856a959160f860402aa16821c4ea659ea43be2c44fcdb4df5c0f889c21440aceb9ee1bc57373263c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_queue.pyd

Filesize
25KB

MD5
0e5997263833ce8ce8a6a0ec35982a37

SHA1
96372353f71aaa56b32030bb5f5dd5c29b854d50

SHA256
0489700a866dddfa50d6ee289f7cca22c6dced9fa96541b45a04dc2ffb97122e

SHA512
a00a667cc1bbd40befe747fbbc10f130dc5d03b777cbe244080498e75a952c17d80db86aa35f37b14640ed20ef21188ea99f3945553538e61797b575297c873f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_socket.pyd

Filesize
43KB

MD5
2957b2d82521ed0198851d12ed567746

SHA1
ad5fd781490ee9b1ad2dd03e74f0779fb5f9afc2

SHA256
1e97a62f4f768fa75bac47bba09928d79b74d84711b6488905f8429cd46f94a2

SHA512
b557cf3fe6c0cc188c6acc0a43b44f82fcf3a6454f6ed7a066d75da21bb11e08cfa180699528c39b0075f4e79b0199bb05e57526e8617036411815ab9f406d35

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_sqlite3.pyd

Filesize
56KB

MD5
a9d2c3cf00431d2b8c8432e8fb1feefd

SHA1
1c3e2fe22e10e1e9c320c1e6f567850fd22c710c

SHA256
aa0611c451b897d27dd16236ce723303199c6eacfc82314f342c7338b89009f3

SHA512
1b5ada1dac2ab76f49de5c8e74542e190455551dfd1dfe45c9ccc3edb34276635613dbcfadd1e5f4383a0d851c6656a7840c327f64b50b234f8fdd469a02ef73

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\_ssl.pyd

Filesize
65KB

MD5
e5f6bff7a8c2cd5cb89f40376dad6797

SHA1
b854fd43b46a4e3390d5f9610004010e273d7f5f

SHA256
0f8493de58e70f3520e21e05d78cfd6a7fcde70d277e1874183e2a8c1d3fb7d5

SHA512
5b7e6421ad39a61dabd498bd0f7aa959a781bc82954dd1a74858edfea43be8e3afe3d0cacb272fa69dc897374e91ea7c0570161cda7cc57e878b288045ee98d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\base_library.zip

Filesize
1.4MB

MD5
4b011f052728ae5007f9ec4e97a4f625

SHA1
9d940561f08104618ec9e901a9cd0cd13e8b355d

SHA256
c88cd8549debc046a980b0be3bf27956ae72dcdcf1a448e55892194752c570e6

SHA512
be405d80d78a188a563086809c372c44bcd1ccab5a472d50714f559559795a1df49437c1712e15eb0403917c7f6cfaf872d6bb0c8e4dd67a512c2c4a5ae93055

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\blank.aes

Filesize
120KB

MD5
370cf74b1538edea3adf683bde313ad9

SHA1
23c76eec8e9fd0b6a54c2f18f1770c351a08c5b7

SHA256
8fa37474da2c8e05f57de65aff51c5c7eac2078f63d9314874d7b2aa04a47a34

SHA512
e9b0ac77e5d36d49e9d96137725119a70dc12cbd8c849734c1cb776fc763877146d0b78458a13e2090f9e2c52e52c8d00237636840781196b0cd27dc77dd1f8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\bound.blank

Filesize
15.5MB

MD5
0741f6a3fabccea0576762466634eb44

SHA1
911642d5cf13734733de6e2c0ac2d02883cf29d5

SHA256
fceac92282d3545d98a65cdd35addc0038a37b57127856363fe3c9b69b5eb995

SHA512
294df5d6c71b47ddbdd43af1a04009daa06a0a4ccef67766d57fdd386091bfe5e227e5e66a11f9fbd9b90d5d0de79bb069b6454b07c1881b68a6db044c98c07a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\libcrypto-3.dll

Filesize
1.6MB

MD5
7f1b899d2015164ab951d04ebb91e9ac

SHA1
1223986c8a1cbb57ef1725175986e15018cc9eab

SHA256
41201d2f29cf3bc16bf32c8cecf3b89e82fec3e5572eb38a578ae0fb0c5a2986

SHA512
ca227b6f998cacca3eb6a8f18d63f8f18633ab4b8464fb8b47caa010687a64516181ad0701c794d6bfe3f153662ea94779b4f70a5a5a94bb3066d8a011b4310d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\libffi-8.dll

Filesize
29KB

MD5
08b000c3d990bc018fcb91a1e175e06e

SHA1
bd0ce09bb3414d11c91316113c2becfff0862d0d

SHA256
135c772b42ba6353757a4d076ce03dbf792456143b42d25a62066da46144fece

SHA512
8820d297aeda5a5ebe1306e7664f7a95421751db60d71dc20da251bcdfdc73f3fd0b22546bd62e62d7aa44dfe702e4032fe78802fb16ee6c2583d65abc891cbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\libssl-3.dll

Filesize
222KB

MD5
264be59ff04e5dcd1d020f16aab3c8cb

SHA1
2d7e186c688b34fdb4c85a3fce0beff39b15d50e

SHA256
358b59da9580e7102adfc1be9400acea18bc49474db26f2f8bacb4b8839ce49d

SHA512
9abb96549724affb2e69e5cb2c834ecea3f882f2f7392f2f8811b8b0db57c5340ab21be60f1798c7ab05f93692eb0aeab077caf7e9b7bb278ad374ff3c52d248

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\python311.dll

Filesize
1.6MB

MD5
ccdbd8027f165575a66245f8e9d140de

SHA1
d91786422ce1f1ad35c528d1c4cd28b753a81550

SHA256
503cd34daed4f6d320731b368bbd940dbac1ff7003321a47d81d81d199cca971

SHA512
870b54e4468db682b669887aeef1ffe496f3f69b219bda2405ac502d2dcd67b6542db6190ea6774abf1db5a7db429ce8f6d2fc5e88363569f15cf4df78da2311

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\rar.exe

Filesize
615KB

MD5
9c223575ae5b9544bc3d69ac6364f75e

SHA1
8a1cb5ee02c742e937febc57609ac312247ba386

SHA256
90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213

SHA512
57663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\rarreg.key

Filesize
456B

MD5
4531984cad7dacf24c086830068c4abe

SHA1
fa7c8c46677af01a83cf652ef30ba39b2aae14c3

SHA256
58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211

SHA512
00056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\select.pyd

Filesize
25KB

MD5
e021cf8d94cc009ff79981f3472765e7

SHA1
c43d040b0e84668f3ae86acc5bd0df61be2b5374

SHA256
ab40bf48a6db6a00387aece49a03937197bc66b4450559feec72b6f74fc4d01e

SHA512
c5ca57f8e4c0983d9641412e41d18abd16fe5868d016a5c6e780543860a9d3b37cc29065799951cb13dc49637c45e02efb6b6ffeaf006e78d6ce2134eb902c67

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\sqlite3.dll

Filesize
644KB

MD5
74b347668b4853771feb47c24e7ec99b

SHA1
21bd9ca6032f0739914429c1db3777808e4806b0

SHA256
5913eb3f3d237632c2f0d6e32ca3e993a50b348033bb6e0da8d8139d44935f9e

SHA512
463d8864ada5f21a70f8db15961a680b00ee040a41ea660432d53d0ee3ccd292e6c11c4ec52d1d848a7d846ad3caf923cbc38535754d65bbe190e095f5acb8c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI8322\unicodedata.pyd

Filesize
295KB

MD5
bc28491251d94984c8555ed959544c11

SHA1
964336b8c045bf8bb1f4d12de122cfc764df6a46

SHA256
f308681ef9c4bb4ea6adae93939466df1b51842554758cb2d003131d7558edd4

SHA512
042d072d5f73fe3cd59394fc59436167c40b4e0cf7909afcad1968e0980b726845f09bf23b4455176b12083a91141474e9e0b7d8475afb0e3de8e1e4dbad7ec0

Download Submit
memory/864-66-0x00007FF9AC310000-0x00007FF9AC31D000-memory.dmp

Filesize
52KB

Download
memory/864-68-0x00007FF9A7A70000-0x00007FF9A7AA3000-memory.dmp

Filesize
204KB

Download
memory/864-26-0x00007FF997D00000-0x00007FF9982F2000-memory.dmp

Filesize
5.9MB

Download
memory/864-56-0x00007FF9A7CF0000-0x00007FF9A7D1D000-memory.dmp

Filesize
180KB

Download
memory/864-58-0x00007FF9AF370000-0x00007FF9AF389000-memory.dmp

Filesize
100KB

Download
memory/864-60-0x00007FF9A7CC0000-0x00007FF9A7CE3000-memory.dmp

Filesize
140KB

Download
memory/864-62-0x00007FF997B80000-0x00007FF997CFE000-memory.dmp

Filesize
1.5MB

Download
memory/864-31-0x00007FF9ABA00000-0x00007FF9ABA24000-memory.dmp

Filesize
144KB

Download
memory/864-65-0x00007FF9AD9B0000-0x00007FF9AD9C9000-memory.dmp

Filesize
100KB

Download
memory/864-33-0x00007FF9AFF30000-0x00007FF9AFF3F000-memory.dmp

Filesize
60KB

Download
memory/864-73-0x00007FF9A70F0000-0x00007FF9A71BD000-memory.dmp

Filesize
820KB

Download
memory/864-72-0x00007FF997D00000-0x00007FF9982F2000-memory.dmp

Filesize
5.9MB

Download
memory/864-74-0x0000013E2D1F0000-0x0000013E2D719000-memory.dmp

Filesize
5.2MB

Download
memory/864-76-0x00007FF9ABA00000-0x00007FF9ABA24000-memory.dmp

Filesize
144KB

Download
memory/864-75-0x00007FF997650000-0x00007FF997B79000-memory.dmp

Filesize
5.2MB

Download
memory/864-80-0x00007FF9AC300000-0x00007FF9AC30D000-memory.dmp

Filesize
52KB

Download
memory/864-78-0x00007FF9A85B0000-0x00007FF9A85C4000-memory.dmp

Filesize
80KB

Download