a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297

Analysis

max time kernel
148s
max time network
35s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
06/07/2023, 10:51

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General

Target
a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
Size 847KB
Sample230706-mxtcwsbd9t
SHA256 a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297
MD5 562da9c60bc5400f50ad0a3b2c3b10c5
SHA1 46f05ccc922423ea13d1834f6d928533625f0874
SHA512 43229e1339d7f59a1bdae52e31ec0058ccc774c89fc66a5cb102a9bcd0735d0d2d19544660a2acf4234765a05b85ae3a72beea4a5406971459b80ecd3801bc9d
SSDEEP 24576:h/thewlqB6p29F04yDJhtYXfJ+PNNdez5n9D10:Ve2q8p2u4ckJ+PxezxP
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36

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

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

pid	Process
3016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
2948	powershell.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe
772	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
Token: SeDebugPrivilege	772	MSBuild.exe
Token: SeDebugPrivilege	2948	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2948	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	29
PID 1768 wrote to memory of 2948	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	29
PID 1768 wrote to memory of 2948	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	29
PID 1768 wrote to memory of 2948	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	29
PID 1768 wrote to memory of 3016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	31
PID 1768 wrote to memory of 3016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	31
PID 1768 wrote to memory of 3016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	31
PID 1768 wrote to memory of 3016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	31
PID 1768 wrote to memory of 2212	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	33
PID 1768 wrote to memory of 2212	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	33
PID 1768 wrote to memory of 2212	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	33
PID 1768 wrote to memory of 2212	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	33
PID 1768 wrote to memory of 316	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	34
PID 1768 wrote to memory of 316	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	34
PID 1768 wrote to memory of 316	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	34
PID 1768 wrote to memory of 316	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	34
PID 1768 wrote to memory of 2016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	35
PID 1768 wrote to memory of 2016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	35
PID 1768 wrote to memory of 2016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	35
PID 1768 wrote to memory of 2016	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	35
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36
PID 1768 wrote to memory of 772	1768	a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe	36

C:\Users\Admin\AppData\Local\Temp\a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe
"C:\Users\Admin\AppData\Local\Temp\a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BbtxSmFvqPT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2948
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BbtxSmFvqPT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2BD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3016
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2212
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:316
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2016
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:772

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

tmpB2BD.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB2BD.tmp
Size 1KB
SHA256 818e5576748085bf64f39c93c326da331aa067967f8c698eb0e796e8f3f33684
MD5 cd164217eead7635b0360e62fa0982d7
SHA1 6aecbd87fd899ebb3329dbafe54ad02282abf134
SHA512 8eb7c91bea20bc7cf52c6868516fdd6e8a7116928bdefd3e5b345fead7030716afa1cd95797644069cab84f219175d16be1b7c8d2eaf72710f5d1319db9d0aa9
MD5 SHA1 SHA512

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memory/772-68-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/772-75-0x00000000009E0000-0x0000000000CE3000-memory.dmp

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memory/772-74-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/772-70-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/772-71-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/772-69-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1768-58-0x0000000000440000-0x000000000044C000-memory.dmp

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memory/1768-65-0x0000000006000000-0x0000000006050000-memory.dmp

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memory/1768-59-0x0000000007FE0000-0x0000000008068000-memory.dmp

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memory/1768-54-0x0000000000E20000-0x0000000000EFA000-memory.dmp

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memory/1768-57-0x0000000000A40000-0x0000000000A80000-memory.dmp

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memory/1768-56-0x0000000000300000-0x0000000000312000-memory.dmp

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memory/1768-55-0x0000000000A40000-0x0000000000A80000-memory.dmp

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memory/2948-72-0x0000000001CE0000-0x0000000001D20000-memory.dmp

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memory/2948-73-0x0000000001CE0000-0x0000000001D20000-memory.dmp

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