0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8

Analysis

max time kernel
154s
max time network
83s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 22:04

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General

Target

0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
Size

196KB
MD5

659aa7d6112b55a836a6af08b70423cc
SHA1

4b035149848517a47a07ebb2f055bb0daf21b0a6
SHA256

0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8
SHA512

50474498f8cc73ae7ee85bcb8c6f1949179f572d3d468498d369d054c06fec4a917a94df7b45f0eb1e84fae338858f47fbd7e7998774d2b5f7f2f23fd658da62
SSDEEP

1536:RvQJyBgIWoPwVXL0LzyFf4kbal/PnVPs9hO16RCpc8MiWVWv7tEOPd5/Frd9cqCH:q0gIWoUwLmLGPs9v3Wv7FPdvJVyl3lJ

Score

8^/10

evasion persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	1836	Rundll32.exe

Executes dropped EXE 2 IoCs

pid	Process
1388	system.exe
1752	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

Loads dropped DLL 12 IoCs

pid	Process
1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1836	Rundll32.exe
1836	Rundll32.exe
1836	Rundll32.exe
1836	Rundll32.exe
1836	Rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe"	Rundll32.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	Rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\system.exe	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
File created	C:\Windows\SysWOW64\rqbjmw.dll	system.exe
File created	C:\Windows\SysWOW64\oplwqx.dll	system.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\AAV\CDriver.sys	Rundll32.exe

Launches sc.exe 7 IoCs

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

pid	Process
1376	sc.exe
668	sc.exe
1504	sc.exe
1064	sc.exe
688	sc.exe
632	sc.exe
2008	sc.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1248	Rundll32.exe
1836	Rundll32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
460	Process not Found

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1388	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	29
PID 1896 wrote to memory of 1388	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	29
PID 1896 wrote to memory of 1388	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	29
PID 1896 wrote to memory of 1388	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	29
PID 1896 wrote to memory of 1752	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	30
PID 1896 wrote to memory of 1752	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	30
PID 1896 wrote to memory of 1752	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	30
PID 1896 wrote to memory of 1752	1896	0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe	30
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1388 wrote to memory of 1248	1388	system.exe	31
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 1376	1248	Rundll32.exe	35
PID 1248 wrote to memory of 1376	1248	Rundll32.exe	35
PID 1248 wrote to memory of 1376	1248	Rundll32.exe	35
PID 1248 wrote to memory of 1376	1248	Rundll32.exe	35
PID 956 wrote to memory of 432	956	net.exe	41
PID 956 wrote to memory of 432	956	net.exe	41
PID 956 wrote to memory of 432	956	net.exe	41
PID 956 wrote to memory of 432	956	net.exe	41
PID 1716 wrote to memory of 1008	1716	net.exe	40
PID 1716 wrote to memory of 1008	1716	net.exe	40
PID 1716 wrote to memory of 1008	1716	net.exe	40
PID 1716 wrote to memory of 1008	1716	net.exe	40
PID 1248 wrote to memory of 1504	1248	Rundll32.exe	42
PID 1248 wrote to memory of 1504	1248	Rundll32.exe	42
PID 1248 wrote to memory of 1504	1248	Rundll32.exe	42
PID 1248 wrote to memory of 1504	1248	Rundll32.exe	42
PID 1248 wrote to memory of 632	1248	Rundll32.exe	49
PID 1248 wrote to memory of 632	1248	Rundll32.exe	49
PID 1248 wrote to memory of 632	1248	Rundll32.exe	49
PID 1248 wrote to memory of 632	1248	Rundll32.exe	49
PID 1248 wrote to memory of 688	1248	Rundll32.exe	48
PID 1248 wrote to memory of 688	1248	Rundll32.exe	48
PID 1248 wrote to memory of 688	1248	Rundll32.exe	48
PID 1248 wrote to memory of 688	1248	Rundll32.exe	48
PID 1248 wrote to memory of 1064	1248	Rundll32.exe	46
PID 1248 wrote to memory of 1064	1248	Rundll32.exe	46
PID 1248 wrote to memory of 1064	1248	Rundll32.exe	46
PID 1248 wrote to memory of 1064	1248	Rundll32.exe	46
PID 1248 wrote to memory of 1388	1248	Rundll32.exe	29
PID 1248 wrote to memory of 1388	1248	Rundll32.exe	29
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 1716	1248	Rundll32.exe	32
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 956	1248	Rundll32.exe	34
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 668	1248	Rundll32.exe	38
PID 1248 wrote to memory of 1376	1248	Rundll32.exe	35

C:\Users\Admin\AppData\Local\Temp\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
"C:\Users\Admin\AppData\Local\Temp\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\system.exe
  C:\Windows\system32\system.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\Rundll32.exe
    Rundll32 C:\Windows\system32\rqbjmw.dll Exxcute
    3⤵
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Windows\SysWOW64\net.exe
      net stop WinDefend
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1716
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop WinDefend
        5⤵
        
        PID:1008
  - - C:\Windows\SysWOW64\net.exe
      net stop MpsSvc
      4⤵
      Suspicious use of WriteProcessMemory
      PID:956
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop MpsSvc
        5⤵
        
        PID:432
  - - C:\Windows\SysWOW64\sc.exe
      sc config MpsSvc start= disabled
      4⤵
      Launches sc.exe
      PID:1376
  - - C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      4⤵
      Launches sc.exe
      PID:668
  - - C:\Windows\SysWOW64\sc.exe
      sc stop ZhuDongFangYu
      4⤵
      Launches sc.exe
      PID:1504
  - - C:\Windows\SysWOW64\sc.exe
      sc delete 360rp
      4⤵
      Launches sc.exe
      PID:1064
  - - C:\Windows\SysWOW64\sc.exe
      sc stop 360rp
      4⤵
      Launches sc.exe
      PID:688
  - - C:\Windows\SysWOW64\sc.exe
      sc delete ZhuDongFangYu
      4⤵
      Launches sc.exe
      PID:632
  - - C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" stop PolicyAgent
      4⤵
      Launches sc.exe
      PID:2008
- - C:\Windows\SysWOW64\Rundll32.exe
    Rundll32 C:\Windows\system32\oplwqx.dll Exucute
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious behavior: EnumeratesProcesses
    PID:1836
- C:\Users\Admin\AppData\Local\Temp\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
  C:\Users\Admin\AppData\Local\Temp\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe
  2⤵
  - Executes dropped EXE
  PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe

Filesize
48KB

MD5
1dbc417928fb253236d9c759662ddffc

SHA1
3207e750a7e813122d14e40e5d6250971be0213c

SHA256
63f129eec6d284298420892776c41b6ad88c1c5a0cae79fa5ee6fa3ab1acc0f8

SHA512
5e90fdb51b521cd6d6fadfe7fd2d0a6baf16691f680f138cda2f2e94b6ac847b53ad63322d58577ab963db1b66df4195891f9edb1b99047b5052365e9b202473

Download Submit
C:\Windows\SysWOW64\oplwqx.dll

Filesize
22KB

MD5
f12c28f2a2114ec3de5f8f8f3016d0e7

SHA1
222cf179a1c166b9ac7edd1764cbf13ad2bbcff3

SHA256
37ce328a0c04a5de1606a55088abf71abc0c86fcd113bdc3f1956b3d1882130b

SHA512
975c5eeb1ceca48cac01d05649991c5b4160c6970a93f1c8c3a38c3f29345023ffa5b95c4f0f86be6fa431ab98ce25116234dd7eeda5f80bd7e035317eba32cf

Download Submit
C:\Windows\SysWOW64\rqbjmw.dll

Filesize
75KB

MD5
d15bce781b57100f494bde31dd457b0d

SHA1
74cbb52c3a6158c1212fa768a976c4e37d8027c8

SHA256
fe79071c980d755d6fb1d920cb6502285b452fecedafddded7fba078fd849d0f

SHA512
84d98b3b74de99bf2e169dd8d117427cb4fc783b509f3ec53e68b01cea7d98029359243a8b31947a0676af480aba3169a1ff1e25ff031815b710579b7411229a

Download Submit
C:\Windows\SysWOW64\system.exe

Filesize
140KB

MD5
573f07e84c503c1139a346d99d7ab876

SHA1
a81a5477710cf93e67fc6cd46a2846f7c7290a0d

SHA256
d2af0696b318e78b7cb7560ecfe99fce7efd7bd0e2568f439074431c34bb3ecf

SHA512
62b9257693ea2d937c1d1bc6aeb8886e8471cdadbb2afd14118de248e39bef3f8315c3196178ea2a60b386bf0ff78f9bc971f54f3984938aca660eaa78797249

Download Submit
C:\Windows\SysWOW64\system.exe

Filesize
140KB

MD5
573f07e84c503c1139a346d99d7ab876

SHA1
a81a5477710cf93e67fc6cd46a2846f7c7290a0d

SHA256
d2af0696b318e78b7cb7560ecfe99fce7efd7bd0e2568f439074431c34bb3ecf

SHA512
62b9257693ea2d937c1d1bc6aeb8886e8471cdadbb2afd14118de248e39bef3f8315c3196178ea2a60b386bf0ff78f9bc971f54f3984938aca660eaa78797249

Download Submit
\Users\Admin\AppData\Local\Temp\0d6474856eebb3ec9eb9f184f478a8aefd555518a3b4ea289a61405d89b0dbe8.exe

Filesize
48KB

MD5
1dbc417928fb253236d9c759662ddffc

SHA1
3207e750a7e813122d14e40e5d6250971be0213c

SHA256
63f129eec6d284298420892776c41b6ad88c1c5a0cae79fa5ee6fa3ab1acc0f8

SHA512
5e90fdb51b521cd6d6fadfe7fd2d0a6baf16691f680f138cda2f2e94b6ac847b53ad63322d58577ab963db1b66df4195891f9edb1b99047b5052365e9b202473

Download Submit
\Users\Admin\AppData\Local\Temp\BEFC.tmp

Filesize
1.7MB

MD5
b5eb5bd3066959611e1f7a80fd6cc172

SHA1
6fb1532059212c840737b3f923a9c0b152c0887a

SHA256
1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

SHA512
6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

Download Submit
\Windows\SysWOW64\oplwqx.dll

Filesize
22KB

MD5
f12c28f2a2114ec3de5f8f8f3016d0e7

SHA1
222cf179a1c166b9ac7edd1764cbf13ad2bbcff3

SHA256
37ce328a0c04a5de1606a55088abf71abc0c86fcd113bdc3f1956b3d1882130b

SHA512
975c5eeb1ceca48cac01d05649991c5b4160c6970a93f1c8c3a38c3f29345023ffa5b95c4f0f86be6fa431ab98ce25116234dd7eeda5f80bd7e035317eba32cf

Download Submit
\Windows\SysWOW64\oplwqx.dll

Filesize
22KB

MD5
f12c28f2a2114ec3de5f8f8f3016d0e7

SHA1
222cf179a1c166b9ac7edd1764cbf13ad2bbcff3

SHA256
37ce328a0c04a5de1606a55088abf71abc0c86fcd113bdc3f1956b3d1882130b

SHA512
975c5eeb1ceca48cac01d05649991c5b4160c6970a93f1c8c3a38c3f29345023ffa5b95c4f0f86be6fa431ab98ce25116234dd7eeda5f80bd7e035317eba32cf

Download Submit
\Windows\SysWOW64\oplwqx.dll

Filesize
22KB

MD5
f12c28f2a2114ec3de5f8f8f3016d0e7

SHA1
222cf179a1c166b9ac7edd1764cbf13ad2bbcff3

SHA256
37ce328a0c04a5de1606a55088abf71abc0c86fcd113bdc3f1956b3d1882130b

SHA512
975c5eeb1ceca48cac01d05649991c5b4160c6970a93f1c8c3a38c3f29345023ffa5b95c4f0f86be6fa431ab98ce25116234dd7eeda5f80bd7e035317eba32cf

Download Submit
\Windows\SysWOW64\oplwqx.dll

Filesize
22KB

MD5
f12c28f2a2114ec3de5f8f8f3016d0e7

SHA1
222cf179a1c166b9ac7edd1764cbf13ad2bbcff3

SHA256
37ce328a0c04a5de1606a55088abf71abc0c86fcd113bdc3f1956b3d1882130b

SHA512
975c5eeb1ceca48cac01d05649991c5b4160c6970a93f1c8c3a38c3f29345023ffa5b95c4f0f86be6fa431ab98ce25116234dd7eeda5f80bd7e035317eba32cf

Download Submit
\Windows\SysWOW64\rqbjmw.dll

Filesize
75KB

MD5
d15bce781b57100f494bde31dd457b0d

SHA1
74cbb52c3a6158c1212fa768a976c4e37d8027c8

SHA256
fe79071c980d755d6fb1d920cb6502285b452fecedafddded7fba078fd849d0f

SHA512
84d98b3b74de99bf2e169dd8d117427cb4fc783b509f3ec53e68b01cea7d98029359243a8b31947a0676af480aba3169a1ff1e25ff031815b710579b7411229a

Download Submit
\Windows\SysWOW64\rqbjmw.dll

Filesize
75KB

MD5
d15bce781b57100f494bde31dd457b0d

SHA1
74cbb52c3a6158c1212fa768a976c4e37d8027c8

SHA256
fe79071c980d755d6fb1d920cb6502285b452fecedafddded7fba078fd849d0f

SHA512
84d98b3b74de99bf2e169dd8d117427cb4fc783b509f3ec53e68b01cea7d98029359243a8b31947a0676af480aba3169a1ff1e25ff031815b710579b7411229a

Download Submit
\Windows\SysWOW64\rqbjmw.dll

Filesize
75KB

MD5
d15bce781b57100f494bde31dd457b0d

SHA1
74cbb52c3a6158c1212fa768a976c4e37d8027c8

SHA256
fe79071c980d755d6fb1d920cb6502285b452fecedafddded7fba078fd849d0f

SHA512
84d98b3b74de99bf2e169dd8d117427cb4fc783b509f3ec53e68b01cea7d98029359243a8b31947a0676af480aba3169a1ff1e25ff031815b710579b7411229a

Download Submit
\Windows\SysWOW64\rqbjmw.dll

Filesize
75KB

MD5
d15bce781b57100f494bde31dd457b0d

SHA1
74cbb52c3a6158c1212fa768a976c4e37d8027c8

SHA256
fe79071c980d755d6fb1d920cb6502285b452fecedafddded7fba078fd849d0f

SHA512
84d98b3b74de99bf2e169dd8d117427cb4fc783b509f3ec53e68b01cea7d98029359243a8b31947a0676af480aba3169a1ff1e25ff031815b710579b7411229a

Download Submit
\Windows\SysWOW64\system.exe

Filesize
140KB

MD5
573f07e84c503c1139a346d99d7ab876

SHA1
a81a5477710cf93e67fc6cd46a2846f7c7290a0d

SHA256
d2af0696b318e78b7cb7560ecfe99fce7efd7bd0e2568f439074431c34bb3ecf

SHA512
62b9257693ea2d937c1d1bc6aeb8886e8471cdadbb2afd14118de248e39bef3f8315c3196178ea2a60b386bf0ff78f9bc971f54f3984938aca660eaa78797249

Download Submit
\Windows\SysWOW64\system.exe

Filesize
140KB

MD5
573f07e84c503c1139a346d99d7ab876

SHA1
a81a5477710cf93e67fc6cd46a2846f7c7290a0d

SHA256
d2af0696b318e78b7cb7560ecfe99fce7efd7bd0e2568f439074431c34bb3ecf

SHA512
62b9257693ea2d937c1d1bc6aeb8886e8471cdadbb2afd14118de248e39bef3f8315c3196178ea2a60b386bf0ff78f9bc971f54f3984938aca660eaa78797249

Download Submit
memory/1248-63-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

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memory/1896-62-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

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