socks5systemz | 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307

General

Target

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe
Size

4.9MB
MD5

67903dbec0ca269f36cb0437d64cf1c0
SHA1

a519f6efbab01a87dc0e28fd0b0d72aba3fabd8e
SHA256

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307
SHA512

2c750997041e90214e3b142ec910a411c3c44caf7966b1f91f8a4ce650d06b1d9cd83b002a0248e64b0d63d39ecddd524c1a0735afd9de95a41c1d32783a6d56
SSDEEP

98304:m7mjMCRrvOExnt0SjCxHZz4kXgEkW9Q+ADZ68+OEEINCsbmeD0wEuTbXsk:2mjMCRrGEBuH47ETXADc1tEs30U8k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bebtiam.com

http://bebtiam.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c2ec939233

http://bebtiam.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9239ce699e1e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4968-86-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral2/memory/4968-111-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral2/memory/4968-112-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz

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

Processes:

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

3096 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
3148 audialstunebite32_64.exe
4968 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

pid process

3096 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
Unexpected DNS network traffic destination 1 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
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:

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

pid process

3096 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

pid	process
3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
3148	audialstunebite32_64.exe
4968	audialstunebite32_64.exe

pid	process
3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp

description	pid	process	target process
PID 3544 wrote to memory of 3096	3544	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
PID 3544 wrote to memory of 3096	3544	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
PID 3544 wrote to memory of 3096	3544	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
PID 3096 wrote to memory of 3148	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe
PID 3096 wrote to memory of 3148	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe
PID 3096 wrote to memory of 3148	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe
PID 3096 wrote to memory of 4968	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe
PID 3096 wrote to memory of 4968	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe
PID 3096 wrote to memory of 4968	3096	4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe
"C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3544

C:\Users\Admin\AppData\Local\Temp\is-HKBQM.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HKBQM.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp" /SL5="$70070,4859600,54272,C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3096

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i
3⤵
- Executes dropped EXE
PID:3148

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4968

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\Audials Tunebite\audialstunebite32_64.exe
Filesize
2.4MB

MD5
5db87cb7ef00c84b66c819dc3597dbaf

SHA1
757bd3bc86be74583976f24ad2f835f826921659

SHA256
00dff30836b1045ab6d36409aac68ec4a0f0bf700d25c2a61881e07d89d16df3

SHA512
631d653f4e4535888faf267d845fe0cf9f4e78e95371ca148a83f51ef065a8ff1dc1c80ddc131329bd45e105398ecf3d3bfc0e184f6dbe266b7a6fa8d7aa0ccf

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-E941S.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HKBQM.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
memory/3096-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3096-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3148-59-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3148-61-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3148-63-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3148-64-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3544-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3544-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3544-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4968-75-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-90-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-71-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-74-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-67-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-78-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-81-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-84-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-86-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4968-68-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-95-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-98-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-101-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-104-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-107-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-110-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-111-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4968-112-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4968-116-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4968-119-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download

Analysis

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