socks5systemz | 9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b

General

Target

9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe
Size

4.8MB
MD5

669dfd09e3af7d2dc36b1d68b93b6d5f
SHA1

307d2c4ed7bc641082550b37b432f5d348f3653e
SHA256

9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b
SHA512

cc927be4bd76a3fc600a2d4de6ffe397371ba522a8e80c134400db966774613def56688552ff050d8dc1de65b6b373b91bc490fbc9c8c948155dea76bfc9f74e
SSDEEP

98304:CbYcTTQzRjliuN0gvrYfrgU7HjY92Ql+a56bkBm6d2TlwrgGKQxB:QYcHAlitfojNBRd2+glQH

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/320-92-0x00000000022E0000-0x0000000002382000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp
2560	soundchangerbeta32_64.exe
320	soundchangerbeta32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.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	91.211.247.248

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
1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 3008 wrote to memory of 1272	3008	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe	30
PID 1272 wrote to memory of 2560	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	31
PID 1272 wrote to memory of 2560	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	31
PID 1272 wrote to memory of 2560	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	31
PID 1272 wrote to memory of 2560	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	31
PID 1272 wrote to memory of 320	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	32
PID 1272 wrote to memory of 320	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	32
PID 1272 wrote to memory of 320	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	32
PID 1272 wrote to memory of 320	1272	9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp	32

C:\Users\Admin\AppData\Local\Temp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe
"C:\Users\Admin\AppData\Local\Temp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\is-T0MTE.tmp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-T0MTE.tmp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp" /SL5="$5014E,4814368,54272,C:\Users\Admin\AppData\Local\Temp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe
    "C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2560
- - C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe
    "C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:320

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\Sound Changer Beta\soundchangerbeta32_64.exe

Filesize
3.4MB

MD5
5ed77b949f4ee1cf662a2eba861f716e

SHA1
78e4191f66803bcf09c62371cd0091d0d1e4accf

SHA256
d20d07ffa08006eb476522ec18749dfe0b01be25ce14c0b1ea7fb75697c0be22

SHA512
d70b5a72510b7a9689fd6574f3e0d9bd9106f1edd4596c3b3419ab27f93cdaf3feda473fe09f283eaa75d54f925ab2369d9501986bd5e4f7f97fe2dbd124914e

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-T0MTE.tmp\9fd1bc522f771d66b292105ef0e32a2e27753a47a9b176e19655899e6033909b.tmp

Filesize
680KB

MD5
54440e49cc801d210a69e09e1b0f4d50

SHA1
6677e7669e2233187d03f7a8f8ccaf7ceced0f64

SHA256
abdb37e28207f629e4c7c2d3a756db7dfec8a36c25e2ae5fadbd182b4ad076ac

SHA512
f3ce02e946f795a90cd5e473d910b1c7841a0d82da28fb54b360c137921ebf3bb0efe9e3b49ed874d99ff0698f32cb18b31b21cf1e4f46e3e708bec0c21f016e

Download Submit
memory/320-104-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-110-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-137-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-132-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-129-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-126-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-71-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-123-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-120-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-117-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-75-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-113-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-79-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-82-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-85-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-88-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-91-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-92-0x00000000022E0000-0x0000000002382000-memory.dmp

Filesize
648KB

Download
memory/320-98-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-101-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/320-107-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/1272-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1272-76-0x00000000041F0000-0x000000000455D000-memory.dmp

Filesize
3.4MB

Download
memory/1272-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1272-64-0x00000000041F0000-0x000000000455D000-memory.dmp

Filesize
3.4MB

Download
memory/2560-69-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/2560-66-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/2560-65-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3008-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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