socks5systemz | ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f

General

Target

ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe
Size

3.5MB
MD5

3e47145293a6a543a74d67903af4e157
SHA1

efc006807871c31a414a5ebe6b8473b80533166d
SHA256

ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f
SHA512

2e380f58f2acb6a7f0a1e1e5137f40aeebc4b80a72fb85a425f61a7fb4c09c00917d18236699a40aab53ddfd6cf1a6f5fab7e02558340b2bda418ce81b6e9887
SSDEEP

98304:Nn5fMyVZ8DwhIAb1x94Zc0rNo+hV690eqdpWwLSpublm:fn8Uh7b1x9EDZLV6y+

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2824-80-0x0000000002AE0000-0x0000000002B82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2824	darelvideostudiofree.exe

Loads dropped DLL 6 IoCs

pid	Process
1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2824	darelvideostudiofree.exe

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	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
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	darelvideostudiofree.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 1480 wrote to memory of 2160	1480	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe	30
PID 2160 wrote to memory of 2748	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	31
PID 2160 wrote to memory of 2748	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	31
PID 2160 wrote to memory of 2748	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	31
PID 2160 wrote to memory of 2748	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	31
PID 2160 wrote to memory of 2824	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	33
PID 2160 wrote to memory of 2824	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	33
PID 2160 wrote to memory of 2824	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	33
PID 2160 wrote to memory of 2824	2160	ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp	33
PID 2748 wrote to memory of 2084	2748	net.exe	34
PID 2748 wrote to memory of 2084	2748	net.exe	34
PID 2748 wrote to memory of 2084	2748	net.exe	34
PID 2748 wrote to memory of 2084	2748	net.exe	34

C:\Users\Admin\AppData\Local\Temp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe
"C:\Users\Admin\AppData\Local\Temp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\is-Q3L9I.tmp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-Q3L9I.tmp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp" /SL5="$400E0,3463134,54272,C:\Users\Admin\AppData\Local\Temp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.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:2160
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause darel_video_studio_free_1211
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause darel_video_studio_free_1211
      4⤵
      System Location Discovery: System Language Discovery
      PID:2084
- - C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe
    "C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2824

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\Darel VideoStudio Free 2.0.2.0\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe

Filesize
3.8MB

MD5
8f33fab1f400929fd251ef12b924fa74

SHA1
5b32fa16c055163c5b6a0bd01232c69f9a9e13c6

SHA256
94a3986f87bd193a2e1dfd7802b8b231f7ecffaedef3ffc270bd61ab7ada4ddd

SHA512
49c86f7a2cd459e0f743cfd0b31902b3618119444a3cce3301eb793cf54294790323410a91d3a623d93047068b6b378d3a157bcfd4e982438259ccf09ad5c304

Download Submit
\Users\Admin\AppData\Local\Temp\is-KJSO7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-KJSO7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q3L9I.tmp\ff910a95476063d6ddac5c53cc639f481e6ba3ed0385edf5461b8ee4d03ec97f.tmp

Filesize
687KB

MD5
a48e1b62aaa14bdc3a268be8e45d81f1

SHA1
3d45b86d631d6d6fe8febb8776b776ebf9dae0ce

SHA256
4ae66fea8041f6f55ed382ade74154aabd43f2dff85d68e71d6d5c35b9acae0f

SHA512
1a9abc2c5fd773453240ed86af22a85fa5954e07f437a4760a6d193b29118c720bf2049fe532f629409e45e8e5921018f25a21c79c85bd001ce91196f76f7b47

Download Submit
memory/1480-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1480-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1480-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-54-0x00000000053C0000-0x000000000579E000-memory.dmp

Filesize
3.9MB

Download
memory/2160-14-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2160-44-0x00000000053C0000-0x000000000579E000-memory.dmp

Filesize
3.9MB

Download
memory/2160-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2824-46-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-70-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-49-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2824-59-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-62-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-66-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-57-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-74-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-78-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-80-0x0000000002AE0000-0x0000000002B82000-memory.dmp

Filesize
648KB

Download
memory/2824-86-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-90-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-94-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-98-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/2824-102-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download

Analysis

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