socks5systemz | 4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade

Analysis

max time kernel
144s
max time network
131s
platform
windows7_x64
resource
win7-20240419-en
submitted
01/06/2024, 16:51

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General

Target
5c55c1f09f2a059c4becf458ec9e89da.exe
Size 6.6MB
Sample240601-vcs6dsha3v
SHA256 4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade
MD5 5c55c1f09f2a059c4becf458ec9e89da
SHA1 b95b2a349d01f06772b4c1b0956103cfa0d4427d
SHA512 28d76f9392bf4bc67d887a5a44fba5f28852559a9705af86cb58387c71b189f0154bb91588feb699d3d92f6b97d8b3ae16d4b6f49a5ae75f707a24197a573b75
SSDEEP 196608:hEHTDk7lvk1pPlyfMbb9p+HOQDB4NHuK9mZKITph:AA7ls1pUfMX94uQDuNHuKaH9h
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

ejfgymn.ua
http://ejfgymn.ua/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a608cf911c7ec96

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2532-92-0x0000000002460000-0x0000000002502000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2268	5c55c1f09f2a059c4becf458ec9e89da.tmp
380	berryplayer32.exe
2532	berryplayer32.exe

Loads dropped DLL 5 IoCs

pid	Process
1148	5c55c1f09f2a059c4becf458ec9e89da.exe
2268	5c55c1f09f2a059c4becf458ec9e89da.tmp
2268	5c55c1f09f2a059c4becf458ec9e89da.tmp
2268	5c55c1f09f2a059c4becf458ec9e89da.tmp
2268	5c55c1f09f2a059c4becf458ec9e89da.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	91.211.247.248

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 4 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	5c55c1f09f2a059c4becf458ec9e89da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c55c1f09f2a059c4becf458ec9e89da.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	berryplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	berryplayer32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2268	5c55c1f09f2a059c4becf458ec9e89da.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 1148 wrote to memory of 2268	1148	5c55c1f09f2a059c4becf458ec9e89da.exe	28
PID 2268 wrote to memory of 380	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	29
PID 2268 wrote to memory of 380	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	29
PID 2268 wrote to memory of 380	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	29
PID 2268 wrote to memory of 380	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	29
PID 2268 wrote to memory of 2532	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	30
PID 2268 wrote to memory of 2532	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	30
PID 2268 wrote to memory of 2532	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	30
PID 2268 wrote to memory of 2532	2268	5c55c1f09f2a059c4becf458ec9e89da.tmp	30

C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe
"C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\is-FP4KD.tmp\5c55c1f09f2a059c4becf458ec9e89da.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FP4KD.tmp\5c55c1f09f2a059c4becf458ec9e89da.tmp" /SL5="$70122,6640474,54272,C:\Users\Admin\AppData\Local\Temp\5c55c1f09f2a059c4becf458ec9e89da.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:380
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

berryplayer32.exe

Path \Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
Size 5.2MB
SHA256 3e66a529ff83a2913a61c674417fafdc97109152d25e04e349be6c900ff6233a
MD5 b67a79b1a79261854f5539c44d24c108
SHA1 6dbbd3f165f5e356ff6effa2ca0233984f76a856
SHA512 5a91715fe6adb6962298d33eeeda316ab0d2560c50da5e65c50c05643f713d989312eb08e05b0269b050e34e08ba594f1998be07a7bc9664fbeaf20942832de5
SSDEEP 98304:zkM5/1jAbwsFBcZ3T5s0Bg8fpDeyzE//Ukkj55O:h8BO3T5BBZ1FEHHkjDO
MD5 SHA1 SHA512 SSDEEP

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5c55c1f09f2a059c4becf458ec9e89da.tmp

Path \Users\Admin\AppData\Local\Temp\is-FP4KD.tmp\5c55c1f09f2a059c4becf458ec9e89da.tmp
Size 680KB
SHA256 66e0c4091239948306890f2749f8c9af121efe1b8c9ee09b479d2e2e6a489d0b
MD5 311c1ab01728e25cad4124cb6f68a2f1
SHA1 5d01c47cfefe9bf5390684076fc18129111e5138
SHA512 235b4d48aaf7f3cf01a26127f9a161a7395b8d16facd0e1ee5701fddd3ab3bd32fbeff868f0f3776d8bbebea2cfaf369006ff4deae200909c322790b7eec0ed6
SSDEEP 12288:L0QfKb7nH5lrPo37AzHTA63I0ihE4UEQrrNtIECORGvN5ELAfXExy8:ffKbT5lrPo37AzHTA63/cfU9IEUN53f0
MD5 SHA1 SHA512 SSDEEP

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_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-GEDSJ.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-GEDSJ.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

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memory/380-65-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/380-66-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/380-69-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/1148-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1148-3-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/1148-73-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2268-12-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2268-64-0x0000000005A10000-0x0000000005F47000-memory.dmp

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memory/2268-79-0x0000000005A10000-0x0000000005F47000-memory.dmp

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memory/2268-74-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2532-75-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-92-0x0000000002460000-0x0000000002502000-memory.dmp

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memory/2532-71-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-82-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-85-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-88-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-91-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-78-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-98-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-101-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-104-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-107-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-110-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-113-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-117-0x0000000000400000-0x0000000000937000-memory.dmp

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memory/2532-120-0x0000000000400000-0x0000000000937000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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