2a7c62fb5cfcb03fa3b5174ab6a68f2b2f0e7391f20d58b07a48bd9c4d224921

Analysis

max time kernel
65s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2022, 22:31

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General

Target
file.exe
Size 1.8MB
Sample221222-2fdcnsaf2z
SHA256 2a7c62fb5cfcb03fa3b5174ab6a68f2b2f0e7391f20d58b07a48bd9c4d224921
MD5 3851198c19403276c3f04fa1d7987ac3
SHA1 d23dbfeebb6c541714b4fd1058bc642bee528975
SHA512 e0b4d8ce7ac38916a651ac0add90a3ad541ee483c71bc7d387bdc7816a7dc141c1f566a84100d9f643285bc9a6d5e3679ffc8dbb13bd53b34ade4e6ac8cbffe5
SSDEEP 24576:RtVSn52pAf2rDNtl2aCHXdLSuhMyvLvwzKLqKy+f81TcOCDThWD6ibINLbSB/irs:tSn52KNWKLqFBFMhaxbaLuBKrs
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1304	AVPTQBAEW.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	AVPTQBAEW.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

pid	Process
1384	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4792	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2848	powershell.exe
2848	powershell.exe
4108	powershell.exe
4108	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	file.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	1304	AVPTQBAEW.exe
Token: SeDebugPrivilege	4108	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2848	764	file.exe	81
PID 764 wrote to memory of 2848	764	file.exe	81
PID 764 wrote to memory of 2840	764	file.exe	83
PID 764 wrote to memory of 2840	764	file.exe	83
PID 2840 wrote to memory of 4792	2840	cmd.exe	85
PID 2840 wrote to memory of 4792	2840	cmd.exe	85
PID 2840 wrote to memory of 1304	2840	cmd.exe	86
PID 2840 wrote to memory of 1304	2840	cmd.exe	86
PID 1304 wrote to memory of 4108	1304	AVPTQBAEW.exe	87
PID 1304 wrote to memory of 4108	1304	AVPTQBAEW.exe	87
PID 1304 wrote to memory of 4032	1304	AVPTQBAEW.exe	89
PID 1304 wrote to memory of 4032	1304	AVPTQBAEW.exe	89
PID 4032 wrote to memory of 1384	4032	cmd.exe	91
PID 4032 wrote to memory of 1384	4032	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7AB3.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4792
- - C:\ProgramData\WindowsMail\AVPTQBAEW.exe
    "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4108
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4032
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:1384

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

AVPTQBAEW.exe

Path C:\ProgramData\WindowsMail\AVPTQBAEW.exe
Size 1.8MB
SHA256 2a7c62fb5cfcb03fa3b5174ab6a68f2b2f0e7391f20d58b07a48bd9c4d224921
MD5 3851198c19403276c3f04fa1d7987ac3
SHA1 d23dbfeebb6c541714b4fd1058bc642bee528975
SHA512 e0b4d8ce7ac38916a651ac0add90a3ad541ee483c71bc7d387bdc7816a7dc141c1f566a84100d9f643285bc9a6d5e3679ffc8dbb13bd53b34ade4e6ac8cbffe5
SSDEEP 24576:RtVSn52pAf2rDNtl2aCHXdLSuhMyvLvwzKLqKy+f81TcOCDThWD6ibINLbSB/irs:tSn52KNWKLqFBFMhaxbaLuBKrs
MD5 SHA1 SHA512 SSDEEP

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AVPTQBAEW.exe

Path C:\ProgramData\WindowsMail\AVPTQBAEW.exe
Size 1.8MB
SHA256 2a7c62fb5cfcb03fa3b5174ab6a68f2b2f0e7391f20d58b07a48bd9c4d224921
MD5 3851198c19403276c3f04fa1d7987ac3
SHA1 d23dbfeebb6c541714b4fd1058bc642bee528975
SHA512 e0b4d8ce7ac38916a651ac0add90a3ad541ee483c71bc7d387bdc7816a7dc141c1f566a84100d9f643285bc9a6d5e3679ffc8dbb13bd53b34ade4e6ac8cbffe5
SSDEEP 24576:RtVSn52pAf2rDNtl2aCHXdLSuhMyvLvwzKLqKy+f81TcOCDThWD6ibINLbSB/irs:tSn52KNWKLqFBFMhaxbaLuBKrs
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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tmp7AB3.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp7AB3.tmp.bat
Size 149B
SHA256 95db69b37d67b2fd35ceaa615d9ac44806a5c2694855553e01324011526f11b4
MD5 87a6335b0dbb560c0282a90bb188caeb
SHA1 f1900bc0495a318d49667831703c45afd81c4f56
SHA512 cc84fda66e3becc41b8ada110dcaa7135d4f117190a74f31ec53c0889cd04a6bce67c8b17fcd38d0e1770e279305818d0620d6b7f92ebc42c83fa403e48226f2
MD5 SHA1 SHA512

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memory/764-142-0x00000000007B0000-0x00000000009EC000-memory.dmp

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memory/764-135-0x00007FFE35B70000-0x00007FFE35B82000-memory.dmp

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memory/764-140-0x0000000003260000-0x00000000032A3000-memory.dmp

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memory/764-141-0x00007FFE39D60000-0x00007FFE39D8B000-memory.dmp

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memory/764-143-0x00007FFE1D970000-0x00007FFE1DABE000-memory.dmp

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memory/764-139-0x00000000007B0000-0x00000000009EC000-memory.dmp

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memory/764-144-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/764-138-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/764-137-0x00007FFE38580000-0x00007FFE38721000-memory.dmp

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memory/764-147-0x00000000007B0000-0x00000000009EC000-memory.dmp

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memory/764-148-0x0000000003260000-0x00000000032A3000-memory.dmp

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memory/764-136-0x00007FFE1DAC0000-0x00007FFE1DB7D000-memory.dmp

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memory/764-151-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/764-133-0x00007FFE1DB80000-0x00007FFE1DC2A000-memory.dmp

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memory/764-134-0x00007FFE3A440000-0x00007FFE3A4DE000-memory.dmp

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memory/1304-169-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/1304-176-0x00007FFE38440000-0x00007FFE38467000-memory.dmp

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memory/1304-183-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/1304-159-0x00007FFE3A440000-0x00007FFE3A4DE000-memory.dmp

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memory/1304-158-0x00007FFE1DB80000-0x00007FFE1DC2A000-memory.dmp

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memory/1304-160-0x00007FFE35B70000-0x00007FFE35B82000-memory.dmp

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memory/1304-161-0x00007FFE1DAC0000-0x00007FFE1DB7D000-memory.dmp

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memory/1304-162-0x00007FFE38580000-0x00007FFE38721000-memory.dmp

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memory/1304-163-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/1304-164-0x00007FFE39D60000-0x00007FFE39D8B000-memory.dmp

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memory/1304-167-0x00000000031D0000-0x0000000003213000-memory.dmp

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memory/1304-166-0x0000000000B50000-0x0000000000D8C000-memory.dmp

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memory/1304-165-0x0000000000B50000-0x0000000000D8C000-memory.dmp

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memory/1304-168-0x00007FFE1D970000-0x00007FFE1DABE000-memory.dmp

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memory/1304-182-0x0000000000B50000-0x0000000000D8C000-memory.dmp

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memory/1304-180-0x00007FFE37020000-0x00007FFE3705B000-memory.dmp

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memory/1304-179-0x00007FFE39EF0000-0x00007FFE39F5B000-memory.dmp

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memory/1304-178-0x00007FFE189F0000-0x00007FFE18AF2000-memory.dmp

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memory/1304-177-0x00007FFE1D930000-0x00007FFE1D965000-memory.dmp

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memory/2848-153-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/2848-181-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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memory/2848-150-0x000001E8FE530000-0x000001E8FE552000-memory.dmp

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memory/4108-175-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp

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