619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b

General

Target

619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
Size

1.0MB
MD5

167f00a4fb8f80cc6b8641ef4bb69e58
SHA1

87e5648e6b778d9026d784581848d55f467211e1
SHA256

619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b
SHA512

89f2471f398109fc9a327aca1c9c5cc4e03c016afba21aad2c56544b0ea93c8638a6a289585faea3abe671a2168ea970f297207a7b712bb269f9b00e0e23ed4c
SSDEEP

24576:l0a58Wc7x4TyjheHod9XxeDNmRJLduNtjKaDaxSEFJO:lrcGujPeDN4pu/2XxSEFE

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 4 IoCs

pid	Process
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CCB_HDZB_2G_P11.dll	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
File created	C:\Windows\system32\CCB_HDZB_2G_P11.dll	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\CCBComponents\HDZB\log\20230330.log	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
File created	C:\Program Files (x86)\CCBComponents\Plugins\npHDZB2gCertCtrl.dll	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
File created	C:\Program Files (x86)\CCBComponents\Plugins\npHDZB2gSNCtrl.dll	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
File created	C:\Program Files (x86)\CCBComponents\Plugins\CARoot\Cert_HDZB_2G_Firefox.exe	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe

Launches sc.exe 2 IoCs

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

pid	Process
1872	sc.exe
1292	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 4 IoCs

pid	Process
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 792	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	28
PID 1704 wrote to memory of 792	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	28
PID 1704 wrote to memory of 792	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	28
PID 1704 wrote to memory of 792	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	28
PID 792 wrote to memory of 1872	792	cmd.exe	30
PID 792 wrote to memory of 1872	792	cmd.exe	30
PID 792 wrote to memory of 1872	792	cmd.exe	30
PID 792 wrote to memory of 1872	792	cmd.exe	30
PID 1704 wrote to memory of 460	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	31
PID 1704 wrote to memory of 460	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	31
PID 1704 wrote to memory of 460	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	31
PID 1704 wrote to memory of 460	1704	619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe	31
PID 460 wrote to memory of 1292	460	cmd.exe	33
PID 460 wrote to memory of 1292	460	cmd.exe	33
PID 460 wrote to memory of 1292	460	cmd.exe	33
PID 460 wrote to memory of 1292	460	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe
"C:\Users\Admin\AppData\Local\Temp\619560ad8b3bbdb98474e12d56d8d9787a1f46f56026434d875d85633fbc774b.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\cmd.exe
  cmd /C C:\Windows\system32\sc.exe STOP "HDZB_DeviceService_For_CCB_2G"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe STOP "HDZB_DeviceService_For_CCB_2G"
    3⤵
    - Launches sc.exe
    PID:1872
- C:\Windows\SysWOW64\cmd.exe
  cmd /C C:\Windows\system32\sc.exe delete "HDZB_DeviceService_For_CCB_2G"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:460
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe delete "HDZB_DeviceService_For_CCB_2G"
    3⤵
    - Launches sc.exe
    PID:1292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsoED.tmp\System.dll

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

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

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

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

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

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

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

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

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

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

Filesize
6KB

MD5
08e9796ca20c5fc5076e3ac05fb5709a

SHA1
07971d52dcbaa1054060073571ced046347177f7

SHA256
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af

SHA512
02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4

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

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

Download Submit

Analysis

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