socks5systemz | b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838

General

Target

b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe
Size

4.6MB
MD5

3367e02ef9fd4f9cb93c20da02e31f37
SHA1

789fa8a1e5d6fc1817d737100cae054b0952eca3
SHA256

b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838
SHA512

637b5f8af713e8522871641b5b1a143500c40e9b7e55c8ed219e6b04b1967ce40d8ff3dcbc0bcec00203088161155ccffcb7591a2836fb852ac035334db2c91e
SSDEEP

98304:mOcjJOvZVQ4kBVdivEUR9q6TeP2x3wznWTnyggAcl7H:ejJq7kBVdNEg2xAznAsH

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpamtqm.com

http://bpamtqm.com/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8eff19c4ea93

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2480-91-0x00000000021D0000-0x0000000002272000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp
2780	moonvideo2audio.exe
2480	moonvideo2audio.exe

Loads dropped DLL 5 IoCs

pid	Process
1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.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
1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1276 wrote to memory of 1680	1276	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe	28
PID 1680 wrote to memory of 2780	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	29
PID 1680 wrote to memory of 2780	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	29
PID 1680 wrote to memory of 2780	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	29
PID 1680 wrote to memory of 2780	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	29
PID 1680 wrote to memory of 2480	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	30
PID 1680 wrote to memory of 2480	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	30
PID 1680 wrote to memory of 2480	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	30
PID 1680 wrote to memory of 2480	1680	b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp	30

C:\Users\Admin\AppData\Local\Temp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe
"C:\Users\Admin\AppData\Local\Temp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\is-2C4RL.tmp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2C4RL.tmp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp" /SL5="$3012E,4534857,54272,C:\Users\Admin\AppData\Local\Temp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2780
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2480

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

\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe

Filesize
2.6MB

MD5
0c0395eb9dab2f41042ad6972cf60c39

SHA1
74c64134fa872c2d79adeb3b34c38748589b541b

SHA256
b925308ddb0fdc7c6a4fcd57841e38bf4730a610cbefbf11935cc208d77c4f06

SHA512
c887268c60cd5f9bc754cff2ff97e97daba3687b60b71357740ef083ec78f0c12664ebeb4ec823ac72e8a7d5b620ca1bc5a7ccbd1e5c7b1b80a3c499b7c537ed

Download Submit
\Users\Admin\AppData\Local\Temp\is-2C4RL.tmp\b067fc851060dcefab0f9da47d62f36ba60b6416abcfbad51d2e72d829e57838.tmp

Filesize
680KB

MD5
72dda7287f2b2ba7017faedffacfb084

SHA1
ae9eb73551e537ebe95e30147fd9693a9ed4163c

SHA256
7988752eefad26096be5f17f219f66a2776498b447cda56b3044b7f5691a5252

SHA512
4a7d4706129b19f1664c479de4da10a09150b9716e35a124684111f2e60f5fa22fbf58c7bcaf5d86c765fb41de646c46a6c10e7a9a9d49378f65364c9896afdf

Download Submit
\Users\Admin\AppData\Local\Temp\is-P4BPC.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-P4BPC.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1276-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1276-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1276-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1680-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1680-63-0x0000000003520000-0x00000000037C9000-memory.dmp

Filesize
2.7MB

Download
memory/1680-75-0x0000000003520000-0x00000000037C9000-memory.dmp

Filesize
2.7MB

Download
memory/1680-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2480-106-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-100-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-74-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-136-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-78-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-81-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-84-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-87-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-90-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-91-0x00000000021D0000-0x0000000002272000-memory.dmp

Filesize
648KB

Download
memory/2480-97-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-131-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-103-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-128-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-109-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-112-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-116-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-119-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-122-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2480-125-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2780-65-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2780-69-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download
memory/2780-66-0x0000000000400000-0x00000000006A9000-memory.dmp

Filesize
2.7MB

Download

Analysis

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