cc64a875031c75c7f20410d362651e4c886c2e12b13fd041dcf492471f8694ec

General

Target

GjIeRXj.exe
Size

9KB
MD5

672bb10a8b900749928a5dba1f30f505
SHA1

cf21194bf2ad984689eb4120f8a24e6821f7f4fa
SHA256

cc64a875031c75c7f20410d362651e4c886c2e12b13fd041dcf492471f8694ec
SHA512

19822e0154074d2264520edc472a32950648dafb4f269988bcd0e6dd1d22d302b9be744278277f5028bf3481037fa3a661594578a8a6c71317dc810cd3bb8bee
SSDEEP

192:P/J7CcaAtRdBzGkDbb5qZKFGbj+pFaNJhLkwcud2DH9VwGfctsuQP:B1FNkKymaNJawcudoD7UmHP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2960	b2e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4900-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4900-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
740	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
740	powershell.exe
740	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 2960	4900	GjIeRXj.exe	82
PID 4900 wrote to memory of 2960	4900	GjIeRXj.exe	82
PID 4900 wrote to memory of 2960	4900	GjIeRXj.exe	82
PID 2960 wrote to memory of 2852	2960	b2e.exe	83
PID 2960 wrote to memory of 2852	2960	b2e.exe	83
PID 2960 wrote to memory of 2852	2960	b2e.exe	83
PID 2852 wrote to memory of 4432	2852	cmd.exe	87
PID 2852 wrote to memory of 4432	2852	cmd.exe	87
PID 2852 wrote to memory of 4432	2852	cmd.exe	87
PID 2852 wrote to memory of 740	2852	cmd.exe	88
PID 2852 wrote to memory of 740	2852	cmd.exe	88
PID 2852 wrote to memory of 740	2852	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\GjIeRXj.exe
"C:\Users\Admin\AppData\Local\Temp\GjIeRXj.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Users\Admin\AppData\Local\Temp\8EB3.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8EB3.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8EB3.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\GjIeRXj.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /v "^;;;===,,," "C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\batchfile.bat"
      4⤵
      PID:4432
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      PowerShell.exe -ExecutionPolicy Bypass -Command "& 'C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\ps.ps1'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\8EB3.tmp\b2e.exe

Filesize
13KB

MD5
b98952914563ae10d390dcf06eb435e4

SHA1
f96fc1370bacb1d32b9b9c3c786a024c0ec4414d

SHA256
1b4cd7f1798849c2d6f8b6527ed439f08d7d4834b54d48496403d8d3f1ae0fd1

SHA512
3f4c871dc7aae92ec21523e4a825a4c4dfd3d99b99246c8c3c9f7e1243efa9cb29e75b3b31dfa3f1ce63175c6c27c1ea6cbfcf9596fb73dd63b4076ea6e68029

Download Submit
C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\batchfile.bat

Filesize
4KB

MD5
3b0ade72d04f213270c57a5393588687

SHA1
cf58e2d8bcbe5638c7d396ee82a2bb992b67516e

SHA256
2744a7dc3b526f20b1553506e6d3076dfad30ab56309c7896d393686e38f1523

SHA512
9b3bae372e77bc2236f750ea7f32ff9d2a6d047cb96c6af9a4a4b2b489d4700795350b52a337d14845d5aca25354dd997fe0d1176d3cc4006ae3de42ae635ffd

Download Submit
C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\ps.ps1

Filesize
4KB

MD5
160c222cb06b996df28d277be301ed34

SHA1
6c7d58222cc005beca82597d9822a78bf6662d1e

SHA256
5c68b2bdad8c2bb73e157ac247565f4baf5540f48e6b01371863d567275f1398

SHA512
cd33be6ccc8933aa1f7b6c0bf4888c00990d894a392a15c979a8eedf9d67aa522d3cf78c4e110c41abc177fa5d0df79982bdebaeb7be5986ccac32a166340666

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l5mlo2bv.jkh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/740-37-0x00000000079A0000-0x0000000007A3C000-memory.dmp

Filesize
624KB

Download
memory/740-49-0x00000000075D0000-0x00000000075EE000-memory.dmp

Filesize
120KB

Download
memory/740-18-0x0000000002D40000-0x0000000002D76000-memory.dmp

Filesize
216KB

Download
memory/740-19-0x00000000058B0000-0x0000000005EDA000-memory.dmp

Filesize
6.2MB

Download
memory/740-20-0x00000000057E0000-0x0000000005802000-memory.dmp

Filesize
136KB

Download
memory/740-21-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/740-22-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/740-71-0x00000000087A0000-0x00000000087A8000-memory.dmp

Filesize
32KB

Download
memory/740-31-0x00000000060B0000-0x0000000006407000-memory.dmp

Filesize
3.3MB

Download
memory/740-32-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/740-33-0x0000000006590000-0x00000000065DC000-memory.dmp

Filesize
304KB

Download
memory/740-70-0x0000000008760000-0x000000000877A000-memory.dmp

Filesize
104KB

Download
memory/740-35-0x0000000007CD0000-0x000000000834A000-memory.dmp

Filesize
6.5MB

Download
memory/740-36-0x0000000006AA0000-0x0000000006ABA000-memory.dmp

Filesize
104KB

Download
memory/740-69-0x0000000008720000-0x0000000008735000-memory.dmp

Filesize
84KB

Download
memory/740-39-0x000000006FF50000-0x000000006FF9C000-memory.dmp

Filesize
304KB

Download
memory/740-38-0x00000000075F0000-0x0000000007624000-memory.dmp

Filesize
208KB

Download
memory/740-17-0x00000000735AE000-0x00000000735AF000-memory.dmp

Filesize
4KB

Download
memory/740-40-0x00000000700B0000-0x0000000070407000-memory.dmp

Filesize
3.3MB

Download
memory/740-50-0x0000000007A50000-0x0000000007AF4000-memory.dmp

Filesize
656KB

Download
memory/740-51-0x0000000007BB0000-0x0000000007BCC000-memory.dmp

Filesize
112KB

Download
memory/740-52-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/740-53-0x0000000007C20000-0x0000000007C46000-memory.dmp

Filesize
152KB

Download
memory/740-54-0x00000000089D0000-0x0000000008F76000-memory.dmp

Filesize
5.6MB

Download
memory/740-55-0x0000000008500000-0x0000000008592000-memory.dmp

Filesize
584KB

Download
memory/740-56-0x00000000700B0000-0x0000000070407000-memory.dmp

Filesize
3.3MB

Download
memory/740-65-0x00000000084F0000-0x00000000084FA000-memory.dmp

Filesize
40KB

Download
memory/740-66-0x00000000087C0000-0x0000000008856000-memory.dmp

Filesize
600KB

Download
memory/740-67-0x00000000086C0000-0x00000000086D1000-memory.dmp

Filesize
68KB

Download
memory/740-68-0x00000000086F0000-0x00000000086FE000-memory.dmp

Filesize
56KB

Download
memory/2960-9-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2960-74-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4900-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4900-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

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