socks5systemz | e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230

General

Target

e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe
Size

5.1MB
MD5

be640abac533b6898cb864084f13e450
SHA1

be342d2261d149ae7563fba12619459bb140fc6f
SHA256

e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230
SHA512

c227789eaea2cbe4c7e040ea7e414e656ec79d6184df6cb80adde5d451f3d6766995457181a749c6234e34c9da7bc1d9ac9c4d6663158fcb5bc9da85d4b001df
SSDEEP

98304:CQMHBytnnh/47OnBROyf5AqHsqWHus67mqgLOzQxLFa:cHW47CAqHsRn6C/LOzQ/a

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1624-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp
1640	djpromix.exe
1624	djpromix.exe

Loads dropped DLL 1 IoCs

pid	Process
3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.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
3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 3600	5060	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe	80
PID 5060 wrote to memory of 3600	5060	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe	80
PID 5060 wrote to memory of 3600	5060	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe	80
PID 3600 wrote to memory of 1640	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	82
PID 3600 wrote to memory of 1640	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	82
PID 3600 wrote to memory of 1640	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	82
PID 3600 wrote to memory of 1624	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	83
PID 3600 wrote to memory of 1624	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	83
PID 3600 wrote to memory of 1624	3600	e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp	83

C:\Users\Admin\AppData\Local\Temp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe
"C:\Users\Admin\AppData\Local\Temp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Users\Admin\AppData\Local\Temp\is-30ECP.tmp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-30ECP.tmp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp" /SL5="$5010A,5080310,54272,C:\Users\Admin\AppData\Local\Temp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1640
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1624

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\DJ Pro Mix\djpromix.exe

Filesize
3.7MB

MD5
ddadae96cd0f54e650294017f763c468

SHA1
5d8c1f457d37b97ba403bb902af946d3db7072c3

SHA256
3df299691e78b23c27f1465f261f4c2cb8919c2ef9662542072929bec3843011

SHA512
fcca13e24aa67209521005a885c0341fcb42d77b604b32a25636c20eef43ffb2536308bd8a5a11fac9195ca7de9f4ce0ba9197a9999d490b747ea19580433ae4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-30ECP.tmp\e5b769fe892d73fe53e3ba626636402615e1aa8e9651446beed6a6d924463230.tmp

Filesize
680KB

MD5
5be2e5b272a277f7cbd2270c9d88072a

SHA1
066fa4dfa4920e42fa8ed3a3a7b2d2672b2637ba

SHA256
a14b5ee688dc1281408be842188cf19c5d9bc84f18275745a76539b86fabdee8

SHA512
0a61906bbf0a00889ef0f4b457259c8b11f8d41f32689ae39d96fe7bd440c6e0dee753278f78ece74dbfc88df41ee72dcd37a2fab6ae550f1baac86c0e268d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GJ6O6.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1624-97-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-80-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-115-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-112-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-109-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-106-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-67-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-68-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-103-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-100-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-71-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-74-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-77-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-94-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-83-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-88-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1624-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/1640-63-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1640-61-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/1640-60-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/3600-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3600-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5060-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5060-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5060-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

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Analysis

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