blustealer | 143f907099ab94069a33c8b30f9b124c85d8836ff3db9fcefef2e7220f41cdf6

Analysis

max time kernel
49s
max time network
45s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
29-07-2022 06:49

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General

Target

SecuriteInfo.com.W32.AIDetectNet.01.27727.exe
Size

1.2MB
MD5

e0c7918a16a8e9b865c0380cda868ad3
SHA1

e08b4392b8a4b2ab1fcad4b4d0d2a0cb1379b292
SHA256

143f907099ab94069a33c8b30f9b124c85d8836ff3db9fcefef2e7220f41cdf6
SHA512

33b5cf5ef076c31d21f336c85bc486c8d62fba40e0b553fa58d16573cffe19fb2849b66b6954cf598305f991f8d510e168d03fe71f93cbdd435ed58b02d62730

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
satport.shop
Port:
587
Username:
[email protected]
Password:
e.,)09BL8xF7

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Executes dropped EXE 1 IoCs

pid	Process
272	Nctgblwyzbsgpink.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 272 set thread context of 864	272	Nctgblwyzbsgpink.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
864	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1728	powershell.exe
1168	powershell.exe
2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe
2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe
272	Nctgblwyzbsgpink.exe
272	Nctgblwyzbsgpink.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeDebugPrivilege	272	Nctgblwyzbsgpink.exe
Token: SeDebugPrivilege	864	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1016	InstallUtil.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1728	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	28
PID 2032 wrote to memory of 1728	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	28
PID 2032 wrote to memory of 1728	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	28
PID 2032 wrote to memory of 1728	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	28
PID 2032 wrote to memory of 272	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	30
PID 2032 wrote to memory of 272	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	30
PID 2032 wrote to memory of 272	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	30
PID 2032 wrote to memory of 272	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	30
PID 272 wrote to memory of 1168	272	Nctgblwyzbsgpink.exe	31
PID 272 wrote to memory of 1168	272	Nctgblwyzbsgpink.exe	31
PID 272 wrote to memory of 1168	272	Nctgblwyzbsgpink.exe	31
PID 272 wrote to memory of 1168	272	Nctgblwyzbsgpink.exe	31
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 2032 wrote to memory of 1016	2032	SecuriteInfo.com.W32.AIDetectNet.01.27727.exe	33
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35
PID 272 wrote to memory of 864	272	Nctgblwyzbsgpink.exe	35

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.27727.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.27727.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- C:\Users\Admin\AppData\Local\Temp\Nctgblwyzbsgpink.exe
  "C:\Users\Admin\AppData\Local\Temp\Nctgblwyzbsgpink.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:272
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1168
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Nctgblwyzbsgpink.exe

Filesize
501KB

MD5
5d40227761c5b9164c28b698ec4c362f

SHA1
d1e174d4011fd9f08d9ad2422428884cf1726566

SHA256
664b983035d624e058baf171280a3fb69c8018f1e3da2d98b4b0b9a6a68a4cbd

SHA512
8052c8cea656298228decc1dfcf3ced28b93bf5c9323e6401aedeff8cbe5d2e11b33293ccd0ce6232ebe983238342fe450a7191e8789266cda67fb126388d6da

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

Filesize
501KB

MD5
5d40227761c5b9164c28b698ec4c362f

SHA1
d1e174d4011fd9f08d9ad2422428884cf1726566

SHA256
664b983035d624e058baf171280a3fb69c8018f1e3da2d98b4b0b9a6a68a4cbd

SHA512
8052c8cea656298228decc1dfcf3ced28b93bf5c9323e6401aedeff8cbe5d2e11b33293ccd0ce6232ebe983238342fe450a7191e8789266cda67fb126388d6da

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

Filesize
7KB

MD5
e1c567b41816e8fc82ae6bf73cf02113

SHA1
bf55555051fc0cfba4df13e551f0733df04f7726

SHA256
c95cd5ed8bf3d83cb9f806006ab09f5b4be70144756fb6a77d0d59060ebd8e39

SHA512
40402e529f17ef0ef67ed5ce750e36ab28022234a402e8498d95afd1e6f53b683b46cf71004c1173ccc328083d8fd6856987b587c226756ec24a35b729ef5c68

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\files\docs.exe

Filesize
501KB

MD5
5d40227761c5b9164c28b698ec4c362f

SHA1
d1e174d4011fd9f08d9ad2422428884cf1726566

SHA256
664b983035d624e058baf171280a3fb69c8018f1e3da2d98b4b0b9a6a68a4cbd

SHA512
8052c8cea656298228decc1dfcf3ced28b93bf5c9323e6401aedeff8cbe5d2e11b33293ccd0ce6232ebe983238342fe450a7191e8789266cda67fb126388d6da

Download Submit
\Users\Admin\AppData\Local\Temp\Nctgblwyzbsgpink.exe

Filesize
501KB

MD5
5d40227761c5b9164c28b698ec4c362f

SHA1
d1e174d4011fd9f08d9ad2422428884cf1726566

SHA256
664b983035d624e058baf171280a3fb69c8018f1e3da2d98b4b0b9a6a68a4cbd

SHA512
8052c8cea656298228decc1dfcf3ced28b93bf5c9323e6401aedeff8cbe5d2e11b33293ccd0ce6232ebe983238342fe450a7191e8789266cda67fb126388d6da

Download Submit
memory/272-67-0x0000000000550000-0x00000000005C0000-memory.dmp

Filesize
448KB

Download
memory/272-66-0x0000000001240000-0x00000000012C2000-memory.dmp

Filesize
520KB

Download
memory/864-90-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-88-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-102-0x0000000004925000-0x0000000004936000-memory.dmp

Filesize
68KB

Download
memory/864-100-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/864-99-0x00000000003B0000-0x00000000003E6000-memory.dmp

Filesize
216KB

Download
memory/864-96-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-98-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-87-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-93-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/864-92-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1016-83-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1016-72-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1016-73-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1016-80-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1016-75-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1016-77-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1168-85-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

Filesize
5.7MB

Download
memory/1168-84-0x000000006E9B0000-0x000000006EF5B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-61-0x000000006EDF0000-0x000000006F39B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-60-0x000000006EDF0000-0x000000006F39B000-memory.dmp

Filesize
5.7MB

Download
memory/2032-54-0x00000000008A0000-0x00000000009DE000-memory.dmp

Filesize
1.2MB

Download
memory/2032-55-0x0000000004AC0000-0x0000000004BEC000-memory.dmp

Filesize
1.2MB

Download
memory/2032-56-0x0000000004210000-0x00000000042A2000-memory.dmp

Filesize
584KB

Download
memory/2032-57-0x0000000075A81000-0x0000000075A83000-memory.dmp

Filesize
8KB

Download