socks5systemz | d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1

General

Target

d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe
Size

5.3MB
MD5

121f3b93615c5f54183e72ae3e3e59a2
SHA1

a4d79808cd62c43a5a15517e9279cdf579e32a54
SHA256

d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1
SHA512

d52e0badcf3a7a671c9cb3866b15556c304dcf23343c4ff0b6a44a1b1135899fa02e09ee522ec3330f71b0f201f070a78d57f15a01a89e96059ce7d6dac42622
SSDEEP

98304:CNWdcO9N+9akStYq4DpQP3XYJAZanXO0YMKBMvYA0lhI+mBjP8YELFQxb:8W6O94ak249Q/Xu4aeCDClh7mBjP4LFE

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/552-89-0x0000000000B80000-0x0000000000C22000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp
3932	playpadmediaplayer.exe
552	playpadmediaplayer.exe

Loads dropped DLL 1 IoCs

pid	Process
3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3908	2944	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe	78
PID 2944 wrote to memory of 3908	2944	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe	78
PID 2944 wrote to memory of 3908	2944	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe	78
PID 3908 wrote to memory of 3932	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	79
PID 3908 wrote to memory of 3932	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	79
PID 3908 wrote to memory of 3932	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	79
PID 3908 wrote to memory of 552	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	80
PID 3908 wrote to memory of 552	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	80
PID 3908 wrote to memory of 552	3908	d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp	80

C:\Users\Admin\AppData\Local\Temp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe
"C:\Users\Admin\AppData\Local\Temp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\is-SLTAG.tmp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-SLTAG.tmp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp" /SL5="$50292,5330947,54272,C:\Users\Admin\AppData\Local\Temp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Users\Admin\AppData\Local\PlayPad Media Player\playpadmediaplayer.exe
    "C:\Users\Admin\AppData\Local\PlayPad Media Player\playpadmediaplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3932
- - C:\Users\Admin\AppData\Local\PlayPad Media Player\playpadmediaplayer.exe
    "C:\Users\Admin\AppData\Local\PlayPad Media Player\playpadmediaplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:552

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 Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\PlayPad Media Player\playpadmediaplayer.exe

Filesize
4.0MB

MD5
0cab5208f846e1feecaeff8056f490ee

SHA1
c6cd2c56c35c50084bd4b3928b8f9f8bc8f16a97

SHA256
e6d8b07fc8e1c228d9e030504731fcd82b17ea6ed226d82285892c89bb85c828

SHA512
a3131967054f36aee33b9e1db73dc6ae94c2e73724ac8a42a2b72cecec4fbbd3ae7bc54a30b4cbaa970ec35ef25b27811144818c52e57263d2fad709f6a27a78

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-A8LLU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SLTAG.tmp\d81a0d773324eb8288f666c07864688cbad7fd0b01239e4ee1e8aaed690801c1.tmp

Filesize
680KB

MD5
fda9e36fc1f5ed6aafb21e6c025a1a1e

SHA1
8ad02cb9156b799e7bcfd0a019fa8d2804180ae4

SHA256
e75231cdc72d00b32182b44ebb72151b7f84f79061597bb4752251ffa860cb0a

SHA512
57f270f47690f2cbc476be66063d3740aa80257c0aac2cf8eba70f3ba1c044469b6e27a16d2edca03939dabbe9f23c801372a203b64012b933db9f44117c5f1d

Download Submit
memory/552-82-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-111-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-105-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-117-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-102-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-66-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-114-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-68-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-99-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-98-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-71-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-95-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-75-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-76-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-79-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-108-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-85-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-88-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/552-89-0x0000000000B80000-0x0000000000C22000-memory.dmp

Filesize
648KB

Download
memory/2944-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3908-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3908-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3932-64-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/3932-74-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/3932-60-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download
memory/3932-61-0x0000000000400000-0x0000000000810000-memory.dmp

Filesize
4.1MB

Download

Analysis

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