socks5systemz | 552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2

General

Target

552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe
Size

3.6MB
MD5

2f11b4e0bb032bc6c5d5ef54ae17217b
SHA1

182b1e9513092d3bb84674c70a6c2672a591274b
SHA256

552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2
SHA512

83999d1bd49825e7baabdde3d1db47b115c7787d95805384aa0e84fbdfb3c80e2e8a93fe6b8680e9cdde675bcc864dd97ec8d95ab0922c78e4e661f470191b02
SSDEEP

98304:N4cortCC2zgXq3xX2BuTrMgLupxHpaJbjFCwtToEpI7xZVXRq6P1ge1dhQy:+hCQq3xIyReJaJbjFCwtZ679XnPug3Qy

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2664-78-0x0000000002A10000-0x0000000002AB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2664	berryplayer3.exe

Loads dropped DLL 6 IoCs

pid	Process
2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2664	berryplayer3.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	45.155.250.90

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	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	berryplayer3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2772 wrote to memory of 2888	2772	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe	30
PID 2888 wrote to memory of 2832	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	31
PID 2888 wrote to memory of 2832	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	31
PID 2888 wrote to memory of 2832	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	31
PID 2888 wrote to memory of 2832	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	31
PID 2888 wrote to memory of 2664	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	33
PID 2888 wrote to memory of 2664	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	33
PID 2888 wrote to memory of 2664	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	33
PID 2888 wrote to memory of 2664	2888	552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp	33
PID 2832 wrote to memory of 2784	2832	net.exe	34
PID 2832 wrote to memory of 2784	2832	net.exe	34
PID 2832 wrote to memory of 2784	2832	net.exe	34
PID 2832 wrote to memory of 2784	2832	net.exe	34

C:\Users\Admin\AppData\Local\Temp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe
"C:\Users\Admin\AppData\Local\Temp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\is-VG75A.tmp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VG75A.tmp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp" /SL5="$60152,3546542,54272,C:\Users\Admin\AppData\Local\Temp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.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:2888
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause berry_player_11274
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause berry_player_11274
      4⤵
      System Location Discovery: System Language Discovery
      PID:2784
- - C:\Users\Admin\AppData\Local\Berry Player 3.3.8\berryplayer3.exe
    "C:\Users\Admin\AppData\Local\Berry Player 3.3.8\berryplayer3.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2664

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Berry Player 3.3.8\berryplayer3.exe

Filesize
3.1MB

MD5
240f99540dffc638d21a8ac10ec8741a

SHA1
d965ac36a5c97471ff6727143119a140926da41c

SHA256
f9c4de004ed3e9cf9613c20e6eadbba8eab0b27b3d297004ef01bc31d3fbb7ab

SHA512
59eecbe8ca58a64bc07c39428511f8da4df4ec64d060b50bb9318f887ee81a1606b51b4ef6709f456d98790ef889bb61375acc74ccc3e62e86a152bb923a5434

Download Submit
\Users\Admin\AppData\Local\Berry Player 3.3.8\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Temp\is-VG75A.tmp\552ba3c58745e2081f0c1ba4e1d2e4cb9307b32e2597af12a00ed2564770d0a2.tmp

Filesize
687KB

MD5
aefd6dc44fcb302b92d8dbcf68338392

SHA1
9546607cfafe24c573d2e4cf46072bc4e85bf43d

SHA256
8c25e88f4a9834901aa780f632b1d29c4e6e27942d02eb26d431ae10d02f58eb

SHA512
dd6333514694722b4676658290689e18e00fc6efc83fdc705c23b483385eb23a7937083e0ee64b297c091520d0dd3d7b724e94c2a08cd8611d220715dffc712d

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2664-56-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-84-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-113-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-109-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-48-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-49-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-104-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-100-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-57-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2664-96-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-60-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-64-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-68-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-72-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-76-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-78-0x0000000002A10000-0x0000000002AB2000-memory.dmp

Filesize
648KB

Download
memory/2664-92-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2664-88-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2772-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2772-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2772-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2888-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2888-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2888-47-0x0000000003900000-0x0000000003C21000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing