3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4

Analysis

max time kernel
159s
max time network
100s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 20:29

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General

Target

3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
Size

48KB
MD5

52a7c2d7ccd1b933219dee6b494ff266
SHA1

993f529d4ed736de3105776f6bb2a0a33da7cc6e
SHA256

3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4
SHA512

ba2c31e41dfa7566fb7060f9e776d9426916613cbc25c8a3fede34a8228d2aea6af6f20cd8280ec5aa1add046124f9c00853ea1295a88bec421da5ca63c567b8
SSDEEP

768:x5btb1L0km+3k+IGFEIKK+dR7Lw5tKV47c1ruO3nG+5Yx3:LV1L0krdH2svolns

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
940	lockie.exe
1744	lock.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1868-62-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/files/0x00070000000146a2-71.dat	upx
behavioral1/files/0x00070000000146a2-72.dat	upx
behavioral1/files/0x00070000000146a2-74.dat	upx
behavioral1/memory/1868-75-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/1744-90-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/1744-103-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/files/0x00070000000146a2-104.dat	upx

Loads dropped DLL 4 IoCs

pid	Process
1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\LockDns = "C:\\Windows\\SysWOW64\\lock.exe /r"	lock.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	lockie.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\LockIE = "C:\\Windows\\SysWOW64\\lockie.exe /r"	lockie.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	lock.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\lockie.exe	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
File opened for modification	C:\Windows\SysWOW64\lock.exe	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\NavCheck	lock.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 7 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
2020	ipconfig.exe
1372	ipconfig.exe
932	ipconfig.exe
1700	ipconfig.exe
1372	ipconfig.exe
1460	ipconfig.exe
1888	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	lockie.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	lock.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://hao.daohangbai.com"	lockie.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
940	lockie.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
940	lockie.exe
1744	lock.exe
1744	lock.exe
1744	lock.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 940	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	27
PID 1868 wrote to memory of 940	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	27
PID 1868 wrote to memory of 940	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	27
PID 1868 wrote to memory of 940	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	27
PID 940 wrote to memory of 2020	940	lockie.exe	28
PID 940 wrote to memory of 2020	940	lockie.exe	28
PID 940 wrote to memory of 2020	940	lockie.exe	28
PID 940 wrote to memory of 2020	940	lockie.exe	28
PID 940 wrote to memory of 1108	940	lockie.exe	30
PID 940 wrote to memory of 1108	940	lockie.exe	30
PID 940 wrote to memory of 1108	940	lockie.exe	30
PID 940 wrote to memory of 1108	940	lockie.exe	30
PID 1108 wrote to memory of 1688	1108	cmd.exe	32
PID 1108 wrote to memory of 1688	1108	cmd.exe	32
PID 1108 wrote to memory of 1688	1108	cmd.exe	32
PID 1108 wrote to memory of 1688	1108	cmd.exe	32
PID 1868 wrote to memory of 1744	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	33
PID 1868 wrote to memory of 1744	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	33
PID 1868 wrote to memory of 1744	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	33
PID 1868 wrote to memory of 1744	1868	3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe	33
PID 1744 wrote to memory of 1372	1744	lock.exe	34
PID 1744 wrote to memory of 1372	1744	lock.exe	34
PID 1744 wrote to memory of 1372	1744	lock.exe	34
PID 1744 wrote to memory of 1372	1744	lock.exe	34
PID 1108 wrote to memory of 1352	1108	cmd.exe	36
PID 1108 wrote to memory of 1352	1108	cmd.exe	36
PID 1108 wrote to memory of 1352	1108	cmd.exe	36
PID 1108 wrote to memory of 1352	1108	cmd.exe	36
PID 1744 wrote to memory of 1672	1744	lock.exe	37
PID 1744 wrote to memory of 1672	1744	lock.exe	37
PID 1744 wrote to memory of 1672	1744	lock.exe	37
PID 1744 wrote to memory of 1672	1744	lock.exe	37
PID 1108 wrote to memory of 292	1108	cmd.exe	39
PID 1108 wrote to memory of 292	1108	cmd.exe	39
PID 1108 wrote to memory of 292	1108	cmd.exe	39
PID 1108 wrote to memory of 292	1108	cmd.exe	39
PID 1672 wrote to memory of 1404	1672	cmd.exe	40
PID 1672 wrote to memory of 1404	1672	cmd.exe	40
PID 1672 wrote to memory of 1404	1672	cmd.exe	40
PID 1672 wrote to memory of 1404	1672	cmd.exe	40
PID 1108 wrote to memory of 556	1108	cmd.exe	41
PID 1108 wrote to memory of 556	1108	cmd.exe	41
PID 1108 wrote to memory of 556	1108	cmd.exe	41
PID 1108 wrote to memory of 556	1108	cmd.exe	41
PID 1672 wrote to memory of 320	1672	cmd.exe	42
PID 1672 wrote to memory of 320	1672	cmd.exe	42
PID 1672 wrote to memory of 320	1672	cmd.exe	42
PID 1672 wrote to memory of 320	1672	cmd.exe	42
PID 1108 wrote to memory of 932	1108	cmd.exe	43
PID 1108 wrote to memory of 932	1108	cmd.exe	43
PID 1108 wrote to memory of 932	1108	cmd.exe	43
PID 1108 wrote to memory of 932	1108	cmd.exe	43
PID 1672 wrote to memory of 1556	1672	cmd.exe	44
PID 1672 wrote to memory of 1556	1672	cmd.exe	44
PID 1672 wrote to memory of 1556	1672	cmd.exe	44
PID 1672 wrote to memory of 1556	1672	cmd.exe	44
PID 1672 wrote to memory of 1736	1672	cmd.exe	45
PID 1672 wrote to memory of 1736	1672	cmd.exe	45
PID 1672 wrote to memory of 1736	1672	cmd.exe	45
PID 1672 wrote to memory of 1736	1672	cmd.exe	45
PID 1672 wrote to memory of 1700	1672	cmd.exe	46
PID 1672 wrote to memory of 1700	1672	cmd.exe	46
PID 1672 wrote to memory of 1700	1672	cmd.exe	46
PID 1672 wrote to memory of 1700	1672	cmd.exe	46

C:\Users\Admin\AppData\Local\Temp\3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe
"C:\Users\Admin\AppData\Local\Temp\3bc137f0fcc20884118ddb93e00c68c773dbcc95726fb22d29d93fd17fc774f4.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\lockie.exe
  C:\Windows\system32\lockie.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig.exe /all
    3⤵
    - Gathers network information
    PID:2020
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\AutoDns.cmd" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1108
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip set dns name="????" source=static addr=59.188.236.57 register=PRIMARY
      4⤵
      PID:1688
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip add dns name="????" addr=174.139.171.34 index=2
      4⤵
      PID:1352
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip set dns name="??????" source=static addr=59.188.236.57 register=PRIMARY
      4⤵
      PID:292
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip add dns name="??????" addr=174.139.171.34 index=2
      4⤵
      PID:556
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      4⤵
      Gathers network information
      PID:932
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig.exe /all
    3⤵
    - Gathers network information
    PID:1372
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig.exe /all
    3⤵
    - Gathers network information
    PID:1888
- C:\Windows\SysWOW64\lock.exe
  C:\Windows\system32\lock.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig.exe /all
    3⤵
    - Gathers network information
    PID:1372
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\AutoDns.cmd" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1672
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip set dns name="????" source=static addr=59.188.236.57 register=PRIMARY
      4⤵
      PID:1404
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip add dns name="????" addr=174.139.171.34 index=2
      4⤵
      PID:320
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip set dns name="??????" source=static addr=59.188.236.57 register=PRIMARY
      4⤵
      PID:1556
  - - C:\Windows\SysWOW64\netsh.exe
      netsh interface ip add dns name="??????" addr=174.139.171.34 index=2
      4⤵
      PID:1736
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      4⤵
      Gathers network information
      PID:1700
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig.exe /all
    3⤵
    - Gathers network information
    PID:1460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AutoDns.cmd

Filesize
348B

MD5
b7e7fbbe645f83272fec08c0c0d6b7d8

SHA1
56f2f0a9eb409c7d499fa0852bcf9deded7c30b1

SHA256
84d1b9f2ba89006a4e30cde170d09f4b3b0789ad24871773c10d1c65ba9af15f

SHA512
04aaabd3b6264fe6fdecf1e94aed580aee430d64c66f315c20708e32b4b540c2c7da46a34ff5868a85238e349e117322432fa5a2ac392f943523abebc5cbb745

Download Submit
C:\Users\Admin\AppData\Local\Temp\AutoDns.cmd

Filesize
348B

MD5
b7e7fbbe645f83272fec08c0c0d6b7d8

SHA1
56f2f0a9eb409c7d499fa0852bcf9deded7c30b1

SHA256
84d1b9f2ba89006a4e30cde170d09f4b3b0789ad24871773c10d1c65ba9af15f

SHA512
04aaabd3b6264fe6fdecf1e94aed580aee430d64c66f315c20708e32b4b540c2c7da46a34ff5868a85238e349e117322432fa5a2ac392f943523abebc5cbb745

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

Filesize
12KB

MD5
7c52700d9c5db9da1b8216be15fff896

SHA1
945e77767ca9ce9957ac5e5493c7af3a089a7bbc

SHA256
fe41eb8643312ee2fa36ebb449c9fee5731d429160d7f545fa803d0e57b8d9e9

SHA512
34d46ae85b3a22a6959c7e695b619f763bfe009c2a8de7868dd7989414f801c78059afb1a630cf4b8651125682587dc4ffa02208043b82398356b76691949b5e

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

Filesize
12KB

MD5
7c52700d9c5db9da1b8216be15fff896

SHA1
945e77767ca9ce9957ac5e5493c7af3a089a7bbc

SHA256
fe41eb8643312ee2fa36ebb449c9fee5731d429160d7f545fa803d0e57b8d9e9

SHA512
34d46ae85b3a22a6959c7e695b619f763bfe009c2a8de7868dd7989414f801c78059afb1a630cf4b8651125682587dc4ffa02208043b82398356b76691949b5e

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

Filesize
52KB

MD5
b9c47303bc52b06691f69d22b00917a3

SHA1
a913a09f6423714f6004ffbf594cb0932542d465

SHA256
04826935820484b10460a00c372df4cf2b8b14098902a92a7cbd93078fb2df44

SHA512
47ecd123f6afb55c43410a00ddc76c918206131f387b0da618a32fd8b17ed3a3d429dc2f57ab3815b0f91886fd99378cf16466d11174a41c98b5f4fd601a7090

Download Submit
\Windows\SysWOW64\lock.exe

Filesize
12KB

MD5
7c52700d9c5db9da1b8216be15fff896

SHA1
945e77767ca9ce9957ac5e5493c7af3a089a7bbc

SHA256
fe41eb8643312ee2fa36ebb449c9fee5731d429160d7f545fa803d0e57b8d9e9

SHA512
34d46ae85b3a22a6959c7e695b619f763bfe009c2a8de7868dd7989414f801c78059afb1a630cf4b8651125682587dc4ffa02208043b82398356b76691949b5e

Download Submit
\Windows\SysWOW64\lock.exe

Filesize
12KB

MD5
7c52700d9c5db9da1b8216be15fff896

SHA1
945e77767ca9ce9957ac5e5493c7af3a089a7bbc

SHA256
fe41eb8643312ee2fa36ebb449c9fee5731d429160d7f545fa803d0e57b8d9e9

SHA512
34d46ae85b3a22a6959c7e695b619f763bfe009c2a8de7868dd7989414f801c78059afb1a630cf4b8651125682587dc4ffa02208043b82398356b76691949b5e

Download Submit
\Windows\SysWOW64\lockie.exe

Filesize
52KB

MD5
b9c47303bc52b06691f69d22b00917a3

SHA1
a913a09f6423714f6004ffbf594cb0932542d465

SHA256
04826935820484b10460a00c372df4cf2b8b14098902a92a7cbd93078fb2df44

SHA512
47ecd123f6afb55c43410a00ddc76c918206131f387b0da618a32fd8b17ed3a3d429dc2f57ab3815b0f91886fd99378cf16466d11174a41c98b5f4fd601a7090

Download Submit
\Windows\SysWOW64\lockie.exe

Filesize
52KB

MD5
b9c47303bc52b06691f69d22b00917a3

SHA1
a913a09f6423714f6004ffbf594cb0932542d465

SHA256
04826935820484b10460a00c372df4cf2b8b14098902a92a7cbd93078fb2df44

SHA512
47ecd123f6afb55c43410a00ddc76c918206131f387b0da618a32fd8b17ed3a3d429dc2f57ab3815b0f91886fd99378cf16466d11174a41c98b5f4fd601a7090

Download Submit
memory/1744-90-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1744-78-0x00000000026C0000-0x000000000317A000-memory.dmp

Filesize
10.7MB

Download
memory/1744-103-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1868-62-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1868-75-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2020-64-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download