socks5systemz | 654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2

General

Target

654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe
Size

4.8MB
MD5

4d34898a00b3a5451f916746a76c3f15
SHA1

291cd4f0f347318cc0da86cada87e74469d68dfd
SHA256

654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2
SHA512

4890cc5608d42fb1a275958443b06f62e23150ca80dc3ada450115f9792b5e88f8094798ad33d9f579c35d3d74cc88f662accca8c3b107e41b90deac2205a276
SSDEEP

98304:+Z3JkFGEGI0cVu2TtfhFE+ypCwE0KrqNSXByOFVsJYaXeVDW8qE2YVcbSbgt77dJ:C3JkFGq0Wu2Tlh8CP0mqE7FVsJViDOlZ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bvvruim.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6389f814c2ed92

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2508-97-0x00000000020F0000-0x0000000002192000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
2776	jenimmusicconverter.exe
2508	jenimmusicconverter.exe

Loads dropped DLL 6 IoCs

pid	Process
1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.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 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 1740 wrote to memory of 2416	1740	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe	28
PID 2416 wrote to memory of 2776	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	29
PID 2416 wrote to memory of 2776	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	29
PID 2416 wrote to memory of 2776	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	29
PID 2416 wrote to memory of 2776	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	29
PID 2416 wrote to memory of 2508	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	30
PID 2416 wrote to memory of 2508	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	30
PID 2416 wrote to memory of 2508	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	30
PID 2416 wrote to memory of 2508	2416	654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp	30

C:\Users\Admin\AppData\Local\Temp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe
"C:\Users\Admin\AppData\Local\Temp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\is-NJ3NB.tmp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NJ3NB.tmp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp" /SL5="$3012E,4787086,54272,C:\Users\Admin\AppData\Local\Temp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe
    "C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2776
- - C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe
    "C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2508

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\Jenim Music Converter\libeay32.dll

Filesize
2.0MB

MD5
1176a2fcbc3cfb77207db7575dd6a522

SHA1
e0a854c77a65e542712c9fe3feae2331fcddb7f4

SHA256
553200e21658e7976d496c52cc1aeb50446b877ccda4f0b073a553ec3fb48560

SHA512
bb00340e4931342c4db499d68e98542f401a985c062810225ee661a7a289a885dab8c64f37fb231212ad2a5d703f3fd0528e8402fc1033cf4128d075714e3f34

Download Submit
\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe

Filesize
1.7MB

MD5
9fd17d36bb806af8ed0c8c69a6f5ff6a

SHA1
17e6b31f1398edce70a05ba4398e05fda790e758

SHA256
a57e7676b3387e4f17cec9e12a1bf5e96cad6df4c325515b3f87ed2323637a7b

SHA512
85290f6b577e8456ede295babd222031d08fb8f43b8b26262e09bf77216cd8d8f544852060fe1cbdf2489e196c93b6fe00032e2d9ffc0cae0bf425897b0d0f45

Download Submit
\Users\Admin\AppData\Local\Temp\is-820JF.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-820JF.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
\Users\Admin\AppData\Local\Temp\is-820JF.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-NJ3NB.tmp\654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2.tmp

Filesize
695KB

MD5
c20681cc4555e94fa86e37fd93665ee3

SHA1
1b10057bf7788b5af83f9cc96065fffcc214423e

SHA256
96f0e6fdfee29ad7897c969a579a6ffea353ef558bb1d9cb7ca941eb2c71ab03

SHA512
88895e93665098f00ec4f8c0a44a6b8d4c0209f80b508a2944a77ca54722ec05440d825202af246344d7e1942b8ccef63dfc7db36bbbbce49a52d1f85d126c5f

Download Submit
memory/1740-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1740-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1740-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2416-19-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2416-67-0x0000000003820000-0x00000000039CE000-memory.dmp

Filesize
1.7MB

Download
memory/2416-81-0x0000000003820000-0x00000000039CE000-memory.dmp

Filesize
1.7MB

Download
memory/2416-79-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2508-112-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-103-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-140-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-80-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-137-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-84-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-87-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-90-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-93-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-96-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-97-0x00000000020F0000-0x0000000002192000-memory.dmp

Filesize
648KB

Download
memory/2508-134-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-106-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-109-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-131-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-115-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-118-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-122-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-125-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2508-128-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2776-68-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2776-74-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2776-69-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/2776-72-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download

Analysis

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