socks5systemz | adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32

General

Target

adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe
Size

4.9MB
MD5

b3b10fad2a02a89bc6d6bbdcd4e2cf88
SHA1

b12cc983ed3b2b6257e57e9cbdf0bd0a7afd5a30
SHA256

adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32
SHA512

cb10c828f0657b9f6ed47b9194250cc69af514a4fce0e2463010d4803b8684decc4346fece4404262546b471ef0935c34a7c3a3070889203e6ddb3ca1283780a
SSDEEP

98304:CHLtPaF0Dj8fp3tRHwrK1rkCNPRMMwbliS8jdBABZsQxo:sMGHGhDwO1ICNPaHBiSWdBAfsQK

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2472-89-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp
1608	bossplayaudio32_64.exe
2472	bossplayaudio32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.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	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
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
1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1984	1132	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe	78
PID 1132 wrote to memory of 1984	1132	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe	78
PID 1132 wrote to memory of 1984	1132	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe	78
PID 1984 wrote to memory of 1608	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	79
PID 1984 wrote to memory of 1608	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	79
PID 1984 wrote to memory of 1608	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	79
PID 1984 wrote to memory of 2472	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	80
PID 1984 wrote to memory of 2472	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	80
PID 1984 wrote to memory of 2472	1984	adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp	80

C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe
"C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp" /SL5="$60240,4923014,54272,C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe
    "C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1608
- - C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe
    "C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2472

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe

Filesize
3.4MB

MD5
e855d397ac95a5f6b23a11b466e4415c

SHA1
4ba344c659b5e510896b963cbb38361e65a01ea6

SHA256
92018c5c2f0816922152b3fb69cbb35e778964395d4308fefb35df603633518c

SHA512
0cae919a3c98b8f2fdf6efbac90e6ccbc6de5131f34807f232f6b9154982f314a5e653cb8b1281c7e7e45a6695ecfab5379ed119d0388bd0dcf73da341c32d22

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp

Filesize
680KB

MD5
04f91f19ddd86f9062b18e622b23f87b

SHA1
6021e4b025f099cd34fd377b99c54bd39755f00f

SHA256
edfc280244869ac25b69e4c6a8fc55c144b1a78055f5685fcb8154f90e45ab69

SHA512
cfb4501a843106daad770e9c3a0209f13b988f512301598760c891152b4e997104f9aaba72119a560d41ffa5e9afe731cf1befd32badc6335cdec2c18c83c43e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9RU5H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1132-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1132-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1132-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1608-60-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/1608-61-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/1608-62-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/1608-64-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/1984-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1984-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2472-75-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-88-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-71-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-74-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-67-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-78-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-79-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-82-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-85-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-68-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-89-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/2472-95-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-98-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-101-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-102-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-106-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-108-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-111-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-115-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download
memory/2472-118-0x0000000000400000-0x0000000000763000-memory.dmp

Filesize
3.4MB

Download

Analysis

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