02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f

Analysis

max time kernel
28s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30-03-2023 07:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
Size

1.0MB
MD5

7a1548f032ca02cef60e117a7387258e
SHA1

5950d7a695916b163f2ff55206fa2df1b0f7942c
SHA256

02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f
SHA512

aa729f641367de19703e4be6080b8656b7360522ba905ac121010b37021844fe01ffcd703cb0a29c040d6303848f59c8eb0ca67550f6c616cb366b8fcb22d8e4
SSDEEP

24576:l0a8pWc7x4TyjheHod9XxeDNmRJLduNtjKaDaxSEFJ6:l7cGujPeDN4pu/2XxSEFo

Score

8^/10

evasion

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

Loads dropped DLL 5 IoCs

pid	Process
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CCB_HDZB_2G_P11.dll	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
File created	C:\Windows\system32\CCB_HDZB_2G_P11.dll	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\CCBComponents\Plugins\CARoot\Cert_HDZB_2G_Firefox.exe	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
File opened for modification	C:\Program Files (x86)\CCBComponents\HDZB\log\20230330.log	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
File created	C:\Program Files (x86)\CCBComponents\Plugins\npHDZB2gCertCtrl.dll	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
File created	C:\Program Files (x86)\CCBComponents\Plugins\npHDZB2gSNCtrl.dll	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1208	sc.exe
1724	sc.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 3 IoCs

pid	Process
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1372	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	28
PID 2016 wrote to memory of 1372	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	28
PID 2016 wrote to memory of 1372	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	28
PID 2016 wrote to memory of 1372	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	28
PID 1372 wrote to memory of 1208	1372	cmd.exe	30
PID 1372 wrote to memory of 1208	1372	cmd.exe	30
PID 1372 wrote to memory of 1208	1372	cmd.exe	30
PID 1372 wrote to memory of 1208	1372	cmd.exe	30
PID 2016 wrote to memory of 1452	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	31
PID 2016 wrote to memory of 1452	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	31
PID 2016 wrote to memory of 1452	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	31
PID 2016 wrote to memory of 1452	2016	02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe	31
PID 1452 wrote to memory of 1724	1452	cmd.exe	33
PID 1452 wrote to memory of 1724	1452	cmd.exe	33
PID 1452 wrote to memory of 1724	1452	cmd.exe	33
PID 1452 wrote to memory of 1724	1452	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe
"C:\Users\Admin\AppData\Local\Temp\02b3b2ed3849f28c02c9b434897e7fded907413a20c773bcd173d7ce83ee025f.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\cmd.exe
  cmd /C C:\Windows\system32\sc.exe STOP "HDZB_DeviceService_For_CCB_2G"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe STOP "HDZB_DeviceService_For_CCB_2G"
    3⤵
    - Launches sc.exe
    PID:1208
- C:\Windows\SysWOW64\cmd.exe
  cmd /C C:\Windows\system32\sc.exe delete "HDZB_DeviceService_For_CCB_2G"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe delete "HDZB_DeviceService_For_CCB_2G"
    3⤵
    - Launches sc.exe
    PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\KillProcDLL.dll

Filesize
41KB

MD5
ec95edf0ce02afd9511b14ad87bd9844

SHA1
83b99d5652df23f4ed42603604f9f8108eec4072

SHA256
062bb420e8a0b7d8fd34dfc345148c925681ad483d137884f4fdffb1d394ff01

SHA512
dc1e0e6e45342232b513d53cde4fcc8845dd55e216430bca7e76bb7eacbc0a06c90ddf7b4f250afc7fbf750c9ea3241ff0bbd8c36d9521a76348288e96b829b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\System.dll

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\nsExec.dll

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\nsProcess.dll

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

Download Submit
\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\KillProcDLL.dll

Filesize
41KB

MD5
ec95edf0ce02afd9511b14ad87bd9844

SHA1
83b99d5652df23f4ed42603604f9f8108eec4072

SHA256
062bb420e8a0b7d8fd34dfc345148c925681ad483d137884f4fdffb1d394ff01

SHA512
dc1e0e6e45342232b513d53cde4fcc8845dd55e216430bca7e76bb7eacbc0a06c90ddf7b4f250afc7fbf750c9ea3241ff0bbd8c36d9521a76348288e96b829b5

Download Submit
\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\System.dll

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

Download Submit
\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\nsExec.dll

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

Download Submit
\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\nsExec.dll

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

Download Submit
\Users\Admin\AppData\Local\Temp\nsi15D3.tmp\nsProcess.dll

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

Download Submit
memory/2016-64-0x0000000001D50000-0x0000000001D5A000-memory.dmp

Filesize
40KB

Download