socks5systemz | fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd

General

Target

fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe
Size

5.1MB
MD5

eeefe3a2e976b1c5e04a5f0fd14e828b
SHA1

b8419e6061490bb45eef0545abade250c71ffc32
SHA256

fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd
SHA512

0930124e4bb637cbb533785a5d1df7d6cb9720942023e84ba33fe49b8d2a04871e49a7c160950ddd37119ae8697742c8796b456c6f27c60e1702f0a3f7987959
SSDEEP

98304:Cbt5S639OUs4KK/soh6crW1iWM7zDgbvtUhhtgg8p/4l7yz5jdBtu/Z82qX/dgr3:k33UUsK/WM73gbvmggJ72nA/S5d2QI

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3244-86-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp
704	gectorradio32_64.exe
3244	gectorradio32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.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
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

pid	Process
2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 2124	3364	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe	70
PID 3364 wrote to memory of 2124	3364	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe	70
PID 3364 wrote to memory of 2124	3364	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe	70
PID 2124 wrote to memory of 704	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	71
PID 2124 wrote to memory of 704	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	71
PID 2124 wrote to memory of 704	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	71
PID 2124 wrote to memory of 3244	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	72
PID 2124 wrote to memory of 3244	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	72
PID 2124 wrote to memory of 3244	2124	fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp	72

C:\Users\Admin\AppData\Local\Temp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe
"C:\Users\Admin\AppData\Local\Temp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\is-EBH1I.tmp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-EBH1I.tmp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp" /SL5="$6019E,5076945,54272,C:\Users\Admin\AppData\Local\Temp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Users\Admin\AppData\Local\Gector Radio\gectorradio32_64.exe
    "C:\Users\Admin\AppData\Local\Gector Radio\gectorradio32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:704
- - C:\Users\Admin\AppData\Local\Gector Radio\gectorradio32_64.exe
    "C:\Users\Admin\AppData\Local\Gector Radio\gectorradio32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3244

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\Gector Radio\gectorradio32_64.exe

Filesize
3.8MB

MD5
e8054c9c392eaf3907ade1b335eb2333

SHA1
9591b7be84f4d7024a400625f0c14975385ea9b7

SHA256
fbbfed2c6898c3701d0ee1dba4569578c447ebdb4f0cf817be98f86081effb00

SHA512
2bee063ad9eb0d0080265745038b812de32ee5a1498f35da381d31f357fb4eded984b8f3c08ca4e0a8349edbd0e7d9a7e08252a288d8f7553200e111642bedcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EBH1I.tmp\fb7ecd1de3f4b84286e42fb834ee3af497af3dc674555351a1f755d3f1977cfd.tmp

Filesize
680KB

MD5
45c20da72e14faf8cae5ca119adad7c5

SHA1
81259f0eaa9d0ffb85ad8e8d386d564ac3e98753

SHA256
88d13a19b64409b8d1dc084e6e3c457aa534460f6f3c74c06a6597a322e032e1

SHA512
ac156c39e63b0f8585ebd331e65c835f17472c2244d9441ed29c332a4a24c87dbb04c211588fea4b898d0281d7c891486cdd81ab67d2bd299b78e454f5815c37

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/704-60-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/704-61-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/704-64-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2124-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2124-73-0x00007FFF601A0000-0x00007FFF6037B000-memory.dmp

Filesize
1.9MB

Download
memory/2124-10-0x00007FFF601A0000-0x00007FFF6037B000-memory.dmp

Filesize
1.9MB

Download
memory/3244-80-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-93-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-67-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-70-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-132-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-74-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-77-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-127-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-83-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-86-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/3244-90-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-124-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-96-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-99-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-102-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-105-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-108-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-112-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-115-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-118-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3244-121-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/3364-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3364-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3364-2-0x00007FFF601A0000-0x00007FFF6037B000-memory.dmp

Filesize
1.9MB

Download

Analysis

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