socks5systemz | 7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d

General

Target

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe
Size

5.0MB
MD5

e24847f922280da04837c2865a5e55ed
SHA1

fe6c0d634ecf3a8df9f9a76611891dcb038b7bb0
SHA256

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d
SHA512

2c4b90a00b6a4aa3e82732d79e63ed2215295c0368a03d2140fdc33b911be1fc0cdb55e87021898b0a56cb71a778963830eb5ec866d837dde6b5189081b3c57f
SSDEEP

98304:mC5dTzAO3oYq8kbeJ0U9DSnGEOzaIiUvvYb6jpi/vXDtVr6/C:f5dTzAO3K7e2U9SnGdeIiwg4QTnG/C

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bohdhaa.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3536-87-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

2932 7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
2376 m4atomp3converter.exe
3536 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

pid process

2932 7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 152.89.198.214
Destination IP 152.89.198.214
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

Processes:

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

pid process

2932 7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

pid	process
2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
2376	m4atomp3converter.exe
3536	m4atomp3converter.exe

pid	process
2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp

description	pid	process	target process
PID 724 wrote to memory of 2932	724	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
PID 724 wrote to memory of 2932	724	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
PID 724 wrote to memory of 2932	724	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
PID 2932 wrote to memory of 2376	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe
PID 2932 wrote to memory of 2376	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe
PID 2932 wrote to memory of 2376	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe
PID 2932 wrote to memory of 3536	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe
PID 2932 wrote to memory of 3536	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe
PID 2932 wrote to memory of 3536	2932	7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe
"C:\Users\Admin\AppData\Local\Temp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:724

C:\Users\Admin\AppData\Local\Temp\is-G1FVS.tmp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-G1FVS.tmp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp" /SL5="$5016A,4995630,54272,C:\Users\Admin\AppData\Local\Temp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2932

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
3⤵
- Executes dropped EXE
PID:2376

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
3⤵
- Executes dropped EXE
PID:3536

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
3.1MB

MD5
cbbef276d9c9b8d106b4b7b38b418be4

SHA1
4800d602c5f76f2201aec3209ee4b6dee7f27f10

SHA256
4d5a1aafe97b6afb0bbce00a134f3cfbf62e1a5cb818a66275b17f8a5dcfc2af

SHA512
23d897ec88e40457c2d24b7524aed013106d6488d4d9fff4be2944848ab07c6a1468201b89b7ddc2ff42cf1a480b67e6a9ded8459e1729e6438d84a6fc6aaa23

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CM872.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-G1FVS.tmp\7d19a64a4f75ddd2fc4928824b30c93da7a8bf541197f2fcdb1bd6d5578aea4d.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
memory/724-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/724-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/724-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2376-59-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/2376-60-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/2376-64-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/2376-65-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/2932-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2932-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3536-74-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-95-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-68-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-75-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-78-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-81-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-84-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-87-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/3536-89-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-71-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-98-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-101-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-104-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-107-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-110-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-113-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download
memory/3536-116-0x0000000000400000-0x000000000071F000-memory.dmp

Filesize
3.1MB

Download

Analysis

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