socks5systemz | 6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082

General

Target

6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe
Size

4.5MB
MD5

b4b2735aa074e5262a9d5d36da93f100
SHA1

8df855952ffb4d5d7ce1ea175331f76a983de985
SHA256

6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082
SHA512

df2c9c2f8664e04fe48689934a508a3bf0b5740a23a57687c69f11c477d9fbbfebe6e0495536fd78a1c4bf648c4932c614c731d0ad96f1a0a4ff39fd49d1df8a
SSDEEP

98304:qhenYs3HYBso2hwqgzMX7HqUDndxTDTbICJ/ffQbWNRv8Mhl:5Ys3HYBs3hwqxXeU3D3ICJnYbWNRUMr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bojukmv.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a638efe12c2ec90

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2516-100-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz
behavioral1/memory/2516-99-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz
behavioral1/memory/2516-112-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz

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

Processes:

6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmpplayercodecpack.exeplayercodecpack.exe

pid process

2276 6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2420 playercodecpack.exe
2516 playercodecpack.exe

pid	process
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2420	playercodecpack.exe
2516	playercodecpack.exe

Loads dropped DLL 6 IoCs

Processes:

6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp

pid	process
2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.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 45.155.250.90
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	45.155.250.90

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp

description	pid	process	target process
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2936 wrote to memory of 2276	2936	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
PID 2276 wrote to memory of 2420	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2420	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2420	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2420	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2516	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2516	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2516	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe
PID 2276 wrote to memory of 2516	2276	6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp	playercodecpack.exe

C:\Users\Admin\AppData\Local\Temp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe
"C:\Users\Admin\AppData\Local\Temp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\Temp\is-7BFFK.tmp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7BFFK.tmp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp" /SL5="$6014E,4420357,53248,C:\Users\Admin\AppData\Local\Temp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2276

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:2420

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:2516

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

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Downloads

C:\Users\Admin\AppData\Local\Player Codec Pack\playercodecpack.exe
Filesize
1.9MB

MD5
06ac5ec8a5bd7a63af2e1266f6757940

SHA1
88a401466c151834c980eaaee9bccf1cd29c2c80

SHA256
2e66b1c1c4c2f34ea9e7a28c4f0e66eb5f04515089664cfd1c1a729cf74ac9ce

SHA512
5ed96d313bc17c3535e768f018112b1e5161793a4123cbcbebc753a35fb97a13bb9096cd5bff122f3e9c524237dabb5411f3bec3dd8bc709042068122cc2baeb

Download Submit
\Users\Admin\AppData\Local\Temp\is-7BFFK.tmp\6b57c639d39696261e9bbeb0cb33814750d028b04f1d853ec9d6822cdac16082.exe.tmp
Filesize
664KB

MD5
c3680bc8d86efd9f9283ba7b09f45380

SHA1
edf71b68991cdfa8d2b8dcf61561d4b5a8576f50

SHA256
fbd05c15e64825b14254596dbab20e6392b23f5fdb2edccf47eca42f7e80573b

SHA512
24f89c8098a2d4b0679e645ff48f1893d291df7c70ffc900c07b16684c425f669ff35c926c00ae080deac67bdb0565f7bf744d9e111157f0cb16567cf2d15a3e

Download Submit
\Users\Admin\AppData\Local\Temp\is-M6SJC.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-M6SJC.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-M6SJC.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2276-9-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2276-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2276-84-0x0000000003240000-0x0000000003435000-memory.dmp

Filesize
2.0MB

Download
memory/2276-67-0x0000000003240000-0x0000000003435000-memory.dmp

Filesize
2.0MB

Download
memory/2276-81-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2420-68-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2420-69-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2420-72-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2420-73-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-85-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-99-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/2516-77-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-80-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-75-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-146-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-141-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-88-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-89-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-92-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-95-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-98-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-100-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/2516-138-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-106-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-109-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-112-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/2516-113-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-116-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-119-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-122-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-126-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-129-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-132-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-135-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2936-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2936-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2936-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads