6f3543bc0f2f42083f50afaef738f27d47ca33afe82e8eefb6c081743268d5d0

Analysis

max time kernel
127s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2023, 12:00

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General

Target

bluesubstantialie64/bluesubstantialie64.exe
Size

13.2MB
MD5

2bd2470d90bd8de8e260ff88a3fb181b
SHA1

9fa0ac71fc0a7d36ad1c2b402f434f96f0453690
SHA256

65918b1b4aaa0f8311e8ce96fffa7f7993537bf6132ef197ec3bb4717901198a
SHA512

eeea312300337fb56c75bc3888c1233820e8c7a504f76384e833430feb355ab28fc437978c8a20561da4ffbae24c1596d24e137e49ec323045cc188607454b0b
SSDEEP

393216:Rxry/zJfUYeJIEfvx4qqWwoD/E+Bp0tQ:Rxur14JIEBJq/wh7b

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4804	bluesubstantial.exe
836	bluesubstantial0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	bluesubstantialie64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	bluesubstantialie64.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
864	4804	WerFault.exe	87

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	bluesubstantial.exe
Token: SeDebugPrivilege	836	bluesubstantial0.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 4804	1288	bluesubstantialie64.exe	87
PID 1288 wrote to memory of 4804	1288	bluesubstantialie64.exe	87
PID 1288 wrote to memory of 4804	1288	bluesubstantialie64.exe	87
PID 1288 wrote to memory of 836	1288	bluesubstantialie64.exe	94
PID 1288 wrote to memory of 836	1288	bluesubstantialie64.exe	94

C:\Users\Admin\AppData\Local\Temp\bluesubstantialie64\bluesubstantialie64.exe
"C:\Users\Admin\AppData\Local\Temp\bluesubstantialie64\bluesubstantialie64.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 1624
    3⤵
    - Program crash
    PID:864
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial0.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial0.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4804 -ip 4804
1⤵
PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial.exe

Filesize
6.0MB

MD5
a97d2a887eb6d38fce468d7f2cffbfdd

SHA1
85dde9df56fef010287124882f6f36d5a6d74bfc

SHA256
0995e5bcab63116a29fdd780273af52de99af8539d859ace9cb301f6deff5d59

SHA512
32867c0137fa4fb55f8d6b1102375fb2aef45d7b015a571e3e2baeebdfcc4dd5bbc9908fef175b4d6b8ee548887c9920b3dd22372550a8fcd6848b6995c46b81

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial.exe

Filesize
6.0MB

MD5
a97d2a887eb6d38fce468d7f2cffbfdd

SHA1
85dde9df56fef010287124882f6f36d5a6d74bfc

SHA256
0995e5bcab63116a29fdd780273af52de99af8539d859ace9cb301f6deff5d59

SHA512
32867c0137fa4fb55f8d6b1102375fb2aef45d7b015a571e3e2baeebdfcc4dd5bbc9908fef175b4d6b8ee548887c9920b3dd22372550a8fcd6848b6995c46b81

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial0.exe

Filesize
7.0MB

MD5
f75c56db14c39c608dd83af6deec4454

SHA1
5da4b32ab3ec9a1e33aba38ea7577c439c64c532

SHA256
c6dfb0fd354958a3a5d2590f2e2f9e2701bb951eb87487b74a5ea04cfa7165da

SHA512
d3bf5d9ddc905e3946138aa4696a25f490910f2c3b849597fc94f751d5492a6a597b95c6da5f47777b11d98ed1b6a792345a9a00dc056d70e15ee4c8b4848e80

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bluesubstantial0.exe

Filesize
7.0MB

MD5
f75c56db14c39c608dd83af6deec4454

SHA1
5da4b32ab3ec9a1e33aba38ea7577c439c64c532

SHA256
c6dfb0fd354958a3a5d2590f2e2f9e2701bb951eb87487b74a5ea04cfa7165da

SHA512
d3bf5d9ddc905e3946138aa4696a25f490910f2c3b849597fc94f751d5492a6a597b95c6da5f47777b11d98ed1b6a792345a9a00dc056d70e15ee4c8b4848e80

Download Submit
memory/836-173-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-165-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-1071-0x00000247EC110000-0x00000247EC111000-memory.dmp

Filesize
4KB

Download
memory/836-146-0x00000247EB500000-0x00000247EBC0E000-memory.dmp

Filesize
7.1MB

Download
memory/836-147-0x00000247EDA20000-0x00000247EDA30000-memory.dmp

Filesize
64KB

Download
memory/836-148-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-149-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-151-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-153-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-155-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-157-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-159-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-161-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-163-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-175-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-167-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-169-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-171-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-680-0x00000247EDA20000-0x00000247EDA30000-memory.dmp

Filesize
64KB

Download
memory/836-211-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-187-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-179-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-181-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-183-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-185-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-177-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-189-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-191-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-193-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-195-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-197-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-199-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-201-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-203-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-205-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-207-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/836-209-0x00000247EE240000-0x00000247EE3B7000-memory.dmp

Filesize
1.5MB

Download
memory/4804-140-0x0000000000A50000-0x000000000105C000-memory.dmp

Filesize
6.0MB

Download
memory/4804-142-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download
memory/4804-141-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download