d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2

General

Target

d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe
Size

153KB
MD5

bf70b35669b6f1cadf7d9d50c2d32749
SHA1

b4f6638676d7a777891cecbdaad337451f0c09f4
SHA256

d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2
SHA512

a1f86fbe1531e50a8ad31a954b469db6b01f0a45309fc9310675dc62889d756ca0dfb7e1a9231f64643ea3a07b47966b4e009df3028a38da16fc730a73821fe6
SSDEEP

3072:/3oJPHt/Ta8oButTBfDA9/IiAkSkaVcBgv8JyfeGYmXHEy:/0TalButTBE9AuSLiUmMv

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
972	1.exe
268	¸´¼þ 1.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x00090000000133ec-55.dat	upx
behavioral1/files/0x00090000000133ec-58.dat	upx
behavioral1/files/0x00090000000133ec-56.dat	upx
behavioral1/files/0x00080000000139eb-60.dat	upx
behavioral1/files/0x00080000000139eb-61.dat	upx
behavioral1/files/0x00080000000139eb-63.dat	upx
behavioral1/memory/972-70-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/268-69-0x0000000000400000-0x0000000000424000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe
2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe
2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe
2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 972	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	28
PID 2044 wrote to memory of 972	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	28
PID 2044 wrote to memory of 972	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	28
PID 2044 wrote to memory of 972	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	28
PID 2044 wrote to memory of 268	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	30
PID 2044 wrote to memory of 268	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	30
PID 2044 wrote to memory of 268	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	30
PID 2044 wrote to memory of 268	2044	d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe	30
PID 972 wrote to memory of 540	972	1.exe	32
PID 972 wrote to memory of 540	972	1.exe	32
PID 972 wrote to memory of 540	972	1.exe	32
PID 972 wrote to memory of 540	972	1.exe	32
PID 268 wrote to memory of 1996	268	¸´¼þ 1.exe	33
PID 268 wrote to memory of 1996	268	¸´¼þ 1.exe	33
PID 268 wrote to memory of 1996	268	¸´¼þ 1.exe	33
PID 268 wrote to memory of 1996	268	¸´¼þ 1.exe	33

C:\Users\Admin\AppData\Local\Temp\d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe
"C:\Users\Admin\AppData\Local\Temp\d1a00e18217db0c01b1cd575a9bb720826bd5241c9602270a40dc881dd22fdc2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\Temp\1.exe
  "C:\Users\Admin\AppData\Local\Temp\Temp\1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\10B.tmp\¸´¼þ 1.bat""
    3⤵
    PID:540
- C:\Users\Admin\AppData\Local\Temp\Temp\¸´¼þ 1.exe
  "C:\Users\Admin\AppData\Local\Temp\Temp\¸´¼þ 1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\178.tmp\¸´¼þ 1.bat""
    3⤵
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\10B.tmp\¸´¼þ 1.bat

Filesize
505B

MD5
cfcc003c9f8d381cb60b014be22c7720

SHA1
729d783f61cdd9d88da7501960ef951c656c19e4

SHA256
42c3b47325f14435f4088354b9e62d4393e7396fa06027c1f5d5f0bb686a47de

SHA512
737eba80ec7a2d364a0e1711522f1eaa2a655b6758f920013a6308e4861609b23a13903e62750158dec794dd83eadd95c9065b8dc32f738cd89e141964e8cb6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\178.tmp\¸´¼þ 1.bat

Filesize
505B

MD5
cfcc003c9f8d381cb60b014be22c7720

SHA1
729d783f61cdd9d88da7501960ef951c656c19e4

SHA256
42c3b47325f14435f4088354b9e62d4393e7396fa06027c1f5d5f0bb686a47de

SHA512
737eba80ec7a2d364a0e1711522f1eaa2a655b6758f920013a6308e4861609b23a13903e62750158dec794dd83eadd95c9065b8dc32f738cd89e141964e8cb6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Temp\1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Temp\¸´¼þ 1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
\Users\Admin\AppData\Local\Temp\Temp\1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
\Users\Admin\AppData\Local\Temp\Temp\1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
\Users\Admin\AppData\Local\Temp\Temp\¸´¼þ 1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
\Users\Admin\AppData\Local\Temp\Temp\¸´¼þ 1.exe

Filesize
64KB

MD5
d69c7510720d46f81e1b820b3da51124

SHA1
dc8ec58e3487f320b56899bfd7d8148e5d884af6

SHA256
dfc80597a5e79bdeddbfce4898527e5285b9984f0b25507df3c9ea6271336922

SHA512
c8ecf8ecc998896e2da8f8d692496671292821bd7e566317f2da082c2a8219ef6d3210cce2372caeb2dc9af766352654d81ad33cfe0ac76298dad0e62d4f3a2c

Download Submit
memory/268-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-70-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2044-54-0x0000000075881000-0x0000000075883000-memory.dmp

Filesize
8KB

Download

Analysis

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