socks5systemz | 0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135

General

Target

0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe
Size

4.2MB
MD5

a767bc587bf0305b53ae98f75449e592
SHA1

c0916cb03ea20619ebddc75aad783b4d2b4f25ae
SHA256

0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135
SHA512

8b5a09fce6f0b7256472033ad3ee8f4665a086c54960a1507036499b85bc54b3aaf2094179efbe84fefe296e2cc54e77854002ced06dc429dc68fb40ebe8c7d3
SSDEEP

98304:+1c7i+oZsZfOyeO9a+Ivw09a+PRJzvsUD6mme6Vqd1Zqm:x7ySZWye+MwUa+7p8V6Xx

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://cstlclo.net/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6388ff13c3e696

http://cstlclo.net/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12eab517aa5c96bd86e894854b835a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c4e9959838c46c

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2400-95-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
1708	audiorecorderpro.exe
2400	audiorecorderpro.exe

Loads dropped DLL 6 IoCs

pid	Process
1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 1900 wrote to memory of 2180	1900	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe	28
PID 2180 wrote to memory of 1708	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	29
PID 2180 wrote to memory of 1708	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	29
PID 2180 wrote to memory of 1708	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	29
PID 2180 wrote to memory of 1708	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	29
PID 2180 wrote to memory of 2400	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	30
PID 2180 wrote to memory of 2400	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	30
PID 2180 wrote to memory of 2400	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	30
PID 2180 wrote to memory of 2400	2180	0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp	30

C:\Users\Admin\AppData\Local\Temp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe
"C:\Users\Admin\AppData\Local\Temp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\is-MAS0R.tmp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MAS0R.tmp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp" /SL5="$4014E,4115840,54272,C:\Users\Admin\AppData\Local\Temp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\audiorecorderpro.exe
    "C:\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\audiorecorderpro.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1708
- - C:\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\audiorecorderpro.exe
    "C:\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\audiorecorderpro.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\libeay32.dll

Filesize
2.1MB

MD5
13e6c21fa809e3a406ef67728bbfd4a9

SHA1
4f6b241cd464f96119376c65bad975a0f8a78305

SHA256
364241be6f68f89838da7b2a86d8070d0d2b5d3ae46dbe2f4a5ee9603f56002e

SHA512
f607f4c9768eef15cd5bfcd1e83fd8178f2cb7f9097f62723e5f9968b51da148de39ab52c58576b083e28be543fd49af199b9c6012daf2ba3af04a32b317ca35

Download Submit
\Users\Admin\AppData\Local\Jenee Audio Recorder Pro\audiorecorderpro.exe

Filesize
2.2MB

MD5
b4f52c4049edd84c243e931ae24d6940

SHA1
31b10128dabc57d3c5bd30f4ab34ab234d7e00b4

SHA256
72b9085f07ebf64adcedbe95804092bcd8b26c1d92a9d9299a0688d20ec7cd4d

SHA512
f51c35a76bdaecfdcd13a5b4d1a66ce052bb0f08ce9686cb25671b1118cbefbee457e1c0c48ae37a02c467118e08a88ff0016f37c29ada14b757e1f8883e3936

Download Submit
\Users\Admin\AppData\Local\Temp\is-FMMV7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-FMMV7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-MAS0R.tmp\0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135.tmp

Filesize
695KB

MD5
08cfd862e62947108957767a4ffbf2fd

SHA1
0d398b3401db6101add76045128ff6ad3df1a96e

SHA256
e8202cd99c022e11b3148cd3f77b940476a07580c0e0bb20f93605bb6adadd13

SHA512
5c07bba1355db24a6ee4287cb87b9925fab7a3bce44bfeaa568ddf956eb4bc84fdea3c424563abe64d7ca090697cf77a51cd4632106241a58f267c6e712bcf68

Download Submit
memory/1708-65-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/1708-66-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/1708-68-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/1708-70-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/1900-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1900-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1900-77-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2180-16-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2180-78-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2180-63-0x0000000003330000-0x0000000003567000-memory.dmp

Filesize
2.2MB

Download
memory/2400-85-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-110-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-82-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-75-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-88-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-91-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-94-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-95-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/2400-101-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-104-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-107-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-79-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-113-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-116-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-120-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-123-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-126-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-129-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-132-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-135-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2400-140-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download

Analysis

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