socks5systemz | 9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2

General

Target

9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
Size

4.1MB
MD5

d21d87de27e3201c708249416c041c51
SHA1

390fe51f1fe59afe193258a9ed4e449a5a6e3714
SHA256

9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2
SHA512

3fa378846b129d65abf8b63c98ba9f432d468ced2b28a23abde211a38d9f8330f7f6abe2116c902d2d98372a1ecde338473fb87c423595e9c17924dea0e8cd30
SSDEEP

98304:CB8hlSOCYW+jc0mfCkyTPJ4L/iMPJEdkb6erxHyB/MwkMoWKPQxi:hhlSOCYW+QffcTR4LPaw7xHyBHQWKPQs

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bhsqzru.com

http://bhsqzru.com/search/?q=67e28dd86c0ba1284009f91c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf818c7e796

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2888-73-0x0000000002680000-0x0000000002722000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
2760	wobplayer32.exe
2888	wobplayer32.exe

Loads dropped DLL 5 IoCs

pid	Process
1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.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	flow	ioc	pid	Process
Destination IP	2	141.98.234.31	2888	wobplayer32.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	wobplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wobplayer32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1960 wrote to memory of 1724	1960	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	31
PID 1724 wrote to memory of 2760	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	32
PID 1724 wrote to memory of 2760	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	32
PID 1724 wrote to memory of 2760	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	32
PID 1724 wrote to memory of 2760	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	32
PID 1724 wrote to memory of 2888	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	33
PID 1724 wrote to memory of 2888	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	33
PID 1724 wrote to memory of 2888	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	33
PID 1724 wrote to memory of 2888	1724	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	33

C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
"C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\is-7F9JI.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7F9JI.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp" /SL5="$80152,3949253,54272,C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe
    "C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2760
- - C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe
    "C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2888

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\is-7F9JI.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp

Filesize
680KB

MD5
2f5d7155e87ae632e8f77ea6f27811c9

SHA1
9546c64e76db02a35d881984d3a67a16e9fe2b02

SHA256
b8deaccfacf509e78935ace2a58b64d3ae27d40ea2a52caeeba19a7eabac7c03

SHA512
46fef266a5bfc122b3d9df97972961fa32290ad6d97a9fd73e3eaaa07c1db59615bcbc6d7084a7a614b3f780fdb71844d1a54b4db676be9aa5a6bce859db3839

Download Submit
\Users\Admin\AppData\Local\Temp\is-GT8LU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-GT8LU.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe

Filesize
2.6MB

MD5
d890b766fce62b515315a3d77fd16b90

SHA1
ffb44ff8dbc540384903dd65225d3a53a84ecbb5

SHA256
5395b1c1a97e89c772ca9ce72533bf589d7afcaa61b030e7fa0b8e258227eed5

SHA512
4215217f88d44ac53ce474af8b3694c8880b101039bd53a4479ece139eb8ca3f3e28d1d47976f370710aaff22c66b6f95d27485f23b76049421b51dc8339be02

Download Submit
memory/1724-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1724-43-0x0000000003B00000-0x0000000003D96000-memory.dmp

Filesize
2.6MB

Download
memory/1724-52-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1724-53-0x0000000003B00000-0x0000000003D96000-memory.dmp

Filesize
2.6MB

Download
memory/1960-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1960-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2760-45-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2760-46-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2760-49-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-60-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-88-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-56-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-63-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-66-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-69-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-72-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-73-0x0000000002680000-0x0000000002722000-memory.dmp

Filesize
648KB

Download
memory/2888-79-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-82-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-85-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-57-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-91-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-94-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-98-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-101-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-104-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-107-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-110-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-113-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2888-118-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download

Analysis

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