socks5systemz | 9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9

General

Target

9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe
Size

3.4MB
MD5

f34c55a00d56ba6bc00cd10edcce006f
SHA1

e33bc1645e2b9c49a695ae3d142ccd79afcfb103
SHA256

9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9
SHA512

5dffd1f560608bf2c338c1b91a58e26900900f9cd00dffec5829890edb4aab21a7ba1b636f4d0f66fb1a8c6d964ddfb0481eb41b57d330df4ddbd1c520c0979d
SSDEEP

98304:NW7iAHoJM6uIxBulh+3Py/Ad7p6ssyUTrSoCKWg:PAF6uIDOQGAZ3urS8

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2864-80-0x0000000002B00000-0x0000000002BA2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2864	lerryvideo.exe

Loads dropped DLL 6 IoCs

pid	Process
2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2864	lerryvideo.exe

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	141.98.234.31

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lerryvideo.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2292 wrote to memory of 2396	2292	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe	31
PID 2396 wrote to memory of 2840	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	32
PID 2396 wrote to memory of 2840	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	32
PID 2396 wrote to memory of 2840	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	32
PID 2396 wrote to memory of 2840	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	32
PID 2396 wrote to memory of 2864	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	34
PID 2396 wrote to memory of 2864	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	34
PID 2396 wrote to memory of 2864	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	34
PID 2396 wrote to memory of 2864	2396	9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp	34
PID 2840 wrote to memory of 2644	2840	net.exe	35
PID 2840 wrote to memory of 2644	2840	net.exe	35
PID 2840 wrote to memory of 2644	2840	net.exe	35
PID 2840 wrote to memory of 2644	2840	net.exe	35

C:\Users\Admin\AppData\Local\Temp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe
"C:\Users\Admin\AppData\Local\Temp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\is-H0TII.tmp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-H0TII.tmp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp" /SL5="$4010A,3327858,54272,C:\Users\Admin\AppData\Local\Temp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause lerry_video_11262
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11262
      4⤵
      System Location Discovery: System Language Discovery
      PID:2644
- - C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo.exe
    "C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo.exe

Filesize
3.0MB

MD5
b51900e5168e79a92cc11fcde009b438

SHA1
5f045aadc20fc6d65ac577482d1cf23db1243685

SHA256
445c5f43330f443591cfd47365e5804b6fcfaf3f4243b12300e5faa05e273768

SHA512
5cd158986d12d05787c7bc64de1564528d58dc162fe55eb6980ae5343db8f765da07c066506f8ae68f31fa399c9257ac6bcfba498435509919a987ef633c356e

Download Submit
\Users\Admin\AppData\Local\Temp\is-H0TII.tmp\9c9b60cf762fd25d3191418e08e662126e424357d8c4bf896dadfa1f2be882b9.tmp

Filesize
687KB

MD5
daa2e67ee846f404e0ed3ca70b8a66c8

SHA1
e7eff2db1db385d88e2ce02ab87d8013d26153cb

SHA256
8da9b1dd45b43ba99228a90782a0b5590e03f78e782e0866a232eda34c75b841

SHA512
9288a047eb621525bc43cebfe6dae59df21c2d76732176b328cde2e3d41c0f2d74674e3ce69030c2a683a73839b0aa4762a8ae6489c868e6e6d3d2c5c8f5854c

Download Submit
\Users\Admin\AppData\Local\Temp\is-IMB31.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-IMB31.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2292-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2292-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2292-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2396-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2396-47-0x0000000003750000-0x0000000003A53000-memory.dmp

Filesize
3.0MB

Download
memory/2396-55-0x0000000003750000-0x0000000003A53000-memory.dmp

Filesize
3.0MB

Download
memory/2396-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2864-56-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-78-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-48-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2864-58-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-62-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-66-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-70-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-74-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-49-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-80-0x0000000002B00000-0x0000000002BA2000-memory.dmp

Filesize
648KB

Download
memory/2864-86-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-90-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-94-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-98-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-102-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-106-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-111-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download
memory/2864-115-0x0000000000400000-0x0000000000703000-memory.dmp

Filesize
3.0MB

Download

Analysis

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