socks5systemz | 31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1

General

Target

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe
Size

3.3MB
MD5

777c4ebdcd500b06b06a0b84f0ef6c4f
SHA1

f56a2b0bbc3e7c163399c276867c19fcd046a585
SHA256

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1
SHA512

e554c67196bc54817c4f83b5edf0e5a6bb2bb10217b6ce0d6d79c1e004193ff30e818e9af4573c335eaa20d29f2a69cbf5df562939cb2b9e2ce365e711126c99
SSDEEP

98304:NSPfRmjXT1GRrIIPqI6K6BwTTUghjOICKOBa:8PfRmjj16IIPqFmfUK+PBa

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2736-80-0x0000000002B10000-0x0000000002BB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmplerryvideo.exe

pid	Process
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2736	lerryvideo.exe

Loads dropped DLL 6 IoCs

Processes:

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmplerryvideo.exe

pid	Process
2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2736	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.

Processes:

description	ioc
Destination IP	152.89.198.214

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

Processes:

lerryvideo.exenet1.exe31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmpnet.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lerryvideo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp

pid	Process
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp

pid	Process
2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmpnet.exe

description	pid	Process	procid_target
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2332 wrote to memory of 2612	2332	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe	31
PID 2612 wrote to memory of 2744	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	32
PID 2612 wrote to memory of 2744	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	32
PID 2612 wrote to memory of 2744	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	32
PID 2612 wrote to memory of 2744	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	32
PID 2612 wrote to memory of 2736	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	34
PID 2612 wrote to memory of 2736	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	34
PID 2612 wrote to memory of 2736	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	34
PID 2612 wrote to memory of 2736	2612	31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp	34
PID 2744 wrote to memory of 2540	2744	net.exe	35
PID 2744 wrote to memory of 2540	2744	net.exe	35
PID 2744 wrote to memory of 2540	2744	net.exe	35
PID 2744 wrote to memory of 2540	2744	net.exe	35

C:\Users\Admin\AppData\Local\Temp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe
"C:\Users\Admin\AppData\Local\Temp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\is-70HH1.tmp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-70HH1.tmp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp" /SL5="$30148,3259756,54272,C:\Users\Admin\AppData\Local\Temp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.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:2612
- - 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:2744
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11262
      4⤵
      System Location Discovery: System Language Discovery
      PID:2540
- - 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:2736

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
d7cdce7110bc662027753ff28ab7f013

SHA1
db980511aed0cce1f94675932fcb0b261ae0f0fd

SHA256
652838e15220b1fbb878ee74b48941db15d7cba5190f2d274e39857b5dc7cc13

SHA512
18abb3f488b3d9222117763caac38c3ef6a40975c20c30295721f0572f68fd1e8d1273a26bec7a5e1eb7dd487005bb57560fcca694b5678c914c1d4931b27167

Download Submit
\Users\Admin\AppData\Local\Temp\is-70HH1.tmp\31bc9fa8982a4e7fc80bb690761401ab18417084522181ee094996ae0d49b5b1.tmp

Filesize
687KB

MD5
272773a603c7b69c84a68b7565b33fb6

SHA1
afdaab9bff15fc1011a1a5e4116801e6e9723c2c

SHA256
d133ad16b16c912999ff41029d755c25960ec6f2f94f5d9abdc9dddf1ac802cf

SHA512
a1370c679db79f9f227c710f8190a3cbd36c97f3f8332cfe7a0eead67b773bc23b2d9948da230fc9a4baed3a5bd78599db5610fff23a17a85f97ea4366586afa

Download Submit
\Users\Admin\AppData\Local\Temp\is-BMBQ7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-BMBQ7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2332-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2332-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2612-54-0x00000000036A0000-0x00000000039A0000-memory.dmp

Filesize
3.0MB

Download
memory/2612-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2612-44-0x00000000036A0000-0x00000000039A0000-memory.dmp

Filesize
3.0MB

Download
memory/2612-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2736-57-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-78-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-47-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-59-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2736-62-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-66-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-70-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-74-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-49-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-80-0x0000000002B10000-0x0000000002BB2000-memory.dmp

Filesize
648KB

Download
memory/2736-86-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-90-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-94-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-98-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-102-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-106-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-111-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2736-115-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads