socks5systemz | d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9

General

Target

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe
Size

4.8MB
MD5

8080398d520a25b1587e9a975b3cfd42
SHA1

df73aa7ca5771aacb26951a294485be7d1071a2d
SHA256

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9
SHA512

cae9d1ab580e0989366a8ab9308b896bbd346b2c8cfc93f8fe9754ddf1e1b4ba881adf3619ed6c4ca55f16754f0af53c3355029dba2287b842441cb1d2a3c482
SSDEEP

98304:mDElCwuwp9ZaV8i6habMdAPqkpcoE9sv0NFMQV0d9SnODaE181dkAU:4wXp9sVN9ao9pEsc/1V0d9/aE1IBU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

boeribz.com

http://boeribz.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c4eb919d3e

http://boeribz.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e890834e96148ab2865b77f80ebad9c20f7cb63037ed2ab423a4314383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e7969e3fc96893

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4656-84-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/4656-107-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/4656-108-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz

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

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exe

pid process

3240 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
4112 m4atomp3freeconverter.exe
4656 m4atomp3freeconverter.exe
Loads dropped DLL 1 IoCs

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid process

3240 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.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 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

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid process

3240 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid	process
3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
4112	m4atomp3freeconverter.exe
4656	m4atomp3freeconverter.exe

pid	process
3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exed16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

description	pid	process	target process
PID 4056 wrote to memory of 3240	4056	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 4056 wrote to memory of 3240	4056	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 4056 wrote to memory of 3240	4056	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 3240 wrote to memory of 4112	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 3240 wrote to memory of 4112	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 3240 wrote to memory of 4112	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 3240 wrote to memory of 4656	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 3240 wrote to memory of 4656	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 3240 wrote to memory of 4656	3240	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe

C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe
"C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Users\Admin\AppData\Local\Temp\is-IIK09.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
"C:\Users\Admin\AppData\Local\Temp\is-IIK09.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp" /SL5="$C0056,4802338,54272,C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3240

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i
3⤵
- Executes dropped EXE
PID:4112

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s
3⤵
- Executes dropped EXE
PID:4656

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3028,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
1⤵
PID:3748

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\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
Filesize
2.9MB

MD5
ec3f28daf42949c6aa1bcb4e66c22535

SHA1
f613902a277ce0d893548eec4b6eb2335283261d

SHA256
856151ce65a749d0c28c3712a4d24f0072bad2c64807002fe71e7517325f2d16

SHA512
4d48396fd8dc176a24b0f64cb6cc914104f1d51e99cbe4d3a0d22d5ef9b5c92b99bee57c5594db50c6c3d8c0f847b283cdb343e316b46869094084d5c98607ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0DSRP.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IIK09.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
Filesize
680KB

MD5
dafff71ba13e58daac2c21ed0ed54458

SHA1
ec169d6088ee3a539030ef630164dae1dd7d9a80

SHA256
167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb

SHA512
ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719

Download Submit
memory/3240-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3240-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4056-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4056-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4056-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4112-59-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4112-60-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4112-62-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4112-64-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-75-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-97-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-69-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-78-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-81-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-84-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/4656-86-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-91-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-94-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-72-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-100-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-103-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-106-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-107-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/4656-108-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/4656-112-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4656-115-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download

Analysis

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