socks5systemz | 5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f

General

Target

5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe
Size

3.4MB
MD5

7a2ac5711382c571a1adc3f296cf10dd
SHA1

101ea008e9556045ca374e7304680e164bcbeda8
SHA256

5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f
SHA512

7d7a710b66dc015428e230182761094aa16cd5e48f459aa6e1a64bcdefbbcf5a37118a04bd79ba81f97b69ec8d0c75c9ba5cf8ed2cbae7389fdfb02dd28907a6
SSDEEP

98304:8heNC4sw6mh6TRKVilQsf4f6IBgCnKQJLCnYPNY:zNCvihGRKVilV4CGnKiOnYO

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2644-82-0x00000000029F0000-0x0000000002A92000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
2644	ceastream32.exe

Loads dropped DLL 5 IoCs

pid	Process
2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe
2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.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	141.98.234.31

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ceastream32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2240 wrote to memory of 2716	2240	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe	31
PID 2716 wrote to memory of 2644	2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp	32
PID 2716 wrote to memory of 2644	2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp	32
PID 2716 wrote to memory of 2644	2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp	32
PID 2716 wrote to memory of 2644	2716	5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp	32

C:\Users\Admin\AppData\Local\Temp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe
"C:\Users\Admin\AppData\Local\Temp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\is-KBAAK.tmp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KBAAK.tmp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp" /SL5="$50152,3332875,54272,C:\Users\Admin\AppData\Local\Temp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Users\Admin\AppData\Local\CEA Stream\ceastream32.exe
    "C:\Users\Admin\AppData\Local\CEA Stream\ceastream32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2644

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\CEA Stream\ceastream32.exe

Filesize
2.3MB

MD5
c047ad4d8c572b294e72cbf3d227035e

SHA1
04bed7e9ab63e29744885ab1f030a49ec6bfd447

SHA256
0ff018b80cdb7529e03a73ba9940248728341f81aabd6ca7ca23c0a8f8fe4c43

SHA512
34341c93ed698c0e55183a979c772d4aa8fd32fb2671de10d50a7e8855b3a9aa2b953071e16ae05538e13a4f6f268623d02d4e3266152b76a2063b6cac22ae1f

Download Submit
\Users\Admin\AppData\Local\Temp\is-E3U13.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-E3U13.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KBAAK.tmp\5ee907cd468e9d572557e7b8326cd1c577edb733117fa47949fde2989d32144f.tmp

Filesize
680KB

MD5
fcb9a039e355dca5927a620396662e9d

SHA1
ebd8951e470635332cbf43afaf277e6eeaa1aaaf

SHA256
7e94a78d2279d7b9760b5c720c4cab64cfe4384ec6ea6f4e39e1a65609890976

SHA512
653b0fe17c4074a3c5e8058873b4a2ce7dcb2738f6f2e28dd00ca089214a8554b3782a1f152288cef96dd4027bf31b1d5672a906ccc21e4ceae14a43fa4d020d

Download Submit
memory/2240-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2644-88-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-78-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-110-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-59-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-107-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-103-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-65-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-66-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-69-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-72-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-75-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-57-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-81-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-82-0x00000000029F0000-0x0000000002A92000-memory.dmp

Filesize
648KB

Download
memory/2644-100-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-91-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-94-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2644-97-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2716-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2716-64-0x0000000006D70000-0x0000000006FB7000-memory.dmp

Filesize
2.3MB

Download
memory/2716-55-0x0000000006D70000-0x0000000006FB7000-memory.dmp

Filesize
2.3MB

Download
memory/2716-58-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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