socks5systemz | 399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0

General

Target

399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe
Size

4.3MB
MD5

66f6527700b89b055ee2f963d65c62b5
SHA1

9bd7033f62ad84a4bc6091a8448efb962747f1b7
SHA256

399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0
SHA512

556a98c02a6be0c73319cf25fbb5e6dcd164ae8ebe35ec61013a610e965815d0baf3e2e8a5058f91f4bff2c6166142aabf2fd391e62dd46fa5b29f62de6da770
SSDEEP

98304:qf43+49NX4+JCtNj6ykW0M2vCGOZGJt/WCfMhl:er15tN6Z02vCPAJ9HfMr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ddoxues.info/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a638eff18c3e991

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2372-97-0x0000000002160000-0x0000000002202000-memory.dmp	family_socks5systemz
behavioral1/memory/2372-100-0x0000000002160000-0x0000000002202000-memory.dmp	family_socks5systemz
behavioral1/memory/2372-109-0x0000000002160000-0x0000000002202000-memory.dmp	family_socks5systemz

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

Processes:

399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmpplayercodecpack.exeplayercodecpack.exe

pid process

2852 399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2692 playercodecpack.exe
2372 playercodecpack.exe

pid	process
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2692	playercodecpack.exe
2372	playercodecpack.exe

Loads dropped DLL 6 IoCs

Processes:

399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp

pid	process
2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.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

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp

description	pid	process	target process
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2316 wrote to memory of 2852	2316	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
PID 2852 wrote to memory of 2692	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2692	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2692	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2692	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2372	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2372	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2372	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe
PID 2852 wrote to memory of 2372	2852	399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp	playercodecpack.exe

C:\Users\Admin\AppData\Local\Temp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe
"C:\Users\Admin\AppData\Local\Temp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316

C:\Users\Admin\AppData\Local\Temp\is-JVAEH.tmp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JVAEH.tmp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp" /SL5="$70122,4308251,53248,C:\Users\Admin\AppData\Local\Temp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe
"C:\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe" -i
3⤵
- Executes dropped EXE
PID:2692

C:\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe
"C:\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe" -s
3⤵
- Executes dropped EXE
PID:2372

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe
Filesize
1.8MB

MD5
22e12e08466526ff65969513daf9a58a

SHA1
10dd8b88ab5c0b362d62f0da0655fa915bfd6e4f

SHA256
a1973b96f091da84b133873b271fc2507cd5cd2bdd61099466c3556b6b43d893

SHA512
f7a81b3f4faf324e6b9ccd9b77f5ded3f6007de50043610c048291c3c0ca15ec71a357800b3670b4aca4272688fed42840ae9ede894ec458b66a196f39c1fb9e

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-HBMDS.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-HBMDS.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JVAEH.tmp\399f7fc896d2fcce86a5179cf5b4db244fdd0b7bdcc69a5fbb28978360c462a0.exe.tmp
Filesize
664KB

MD5
c3680bc8d86efd9f9283ba7b09f45380

SHA1
edf71b68991cdfa8d2b8dcf61561d4b5a8576f50

SHA256
fbd05c15e64825b14254596dbab20e6392b23f5fdb2edccf47eca42f7e80573b

SHA512
24f89c8098a2d4b0679e645ff48f1893d291df7c70ffc900c07b16684c425f669ff35c926c00ae080deac67bdb0565f7bf744d9e111157f0cb16567cf2d15a3e

Download Submit
memory/2316-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2316-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-115-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-98-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-145-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-140-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-137-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-75-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-77-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-134-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-131-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-80-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-128-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-84-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-85-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-88-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-91-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-94-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-97-0x0000000002160000-0x0000000002202000-memory.dmp

Filesize
648KB

Download
memory/2372-125-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-100-0x0000000002160000-0x0000000002202000-memory.dmp

Filesize
648KB

Download
memory/2372-105-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-108-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-109-0x0000000002160000-0x0000000002202000-memory.dmp

Filesize
648KB

Download
memory/2372-112-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-121-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2372-118-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2692-68-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2692-73-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2692-72-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2692-69-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/2852-16-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2852-81-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2852-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2852-66-0x0000000003440000-0x0000000003614000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads