socks5systemz | e7618e2fef457d5ad8546836969db395bed4723d5ce853a6f53d7bbaae4269bc

Analysis

max time kernel
142s
max time network
128s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 02:00

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General

Target
ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe
Size 4.6MB
Sample240802-ce1ddaygnj
SHA256 ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0
MD5 4acdd868ef5a8c14cb4db46ea9245265
SHA1 a1216fa64165792df1f5d714ee6840cd9502fee4
SHA512 69106c32c30fe01b1e5fe436941de7ca2f391a117a617318c8e6557209715bb3c85c5334cadde059876ab10c2346714f206342dcf6d94e80abb0513fda0993c8
SSDEEP 98304:C2OJW2Zvl0jcLMFw4cscyMZDtELsFxWWkQhnKzv9Fl:MqgQFMs5MHEgFxWHMncHl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2928-87-0x0000000002380000-0x0000000002422000-memory.dmp	family_socks5systemz
behavioral1/memory/2928-109-0x0000000002380000-0x0000000002422000-memory.dmp	family_socks5systemz
behavioral1/memory/2928-110-0x0000000002380000-0x0000000002422000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
2816	mobilemediaconverter32_64.exe
2928	mobilemediaconverter32_64.exe

Loads dropped DLL 6 IoCs

pid	Process
1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.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	mobilemediaconverter32_64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mobilemediaconverter32_64.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1432 wrote to memory of 1892	1432	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe	30
PID 1892 wrote to memory of 2816	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	31
PID 1892 wrote to memory of 2816	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	31
PID 1892 wrote to memory of 2816	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	31
PID 1892 wrote to memory of 2816	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	31
PID 1892 wrote to memory of 2928	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	32
PID 1892 wrote to memory of 2928	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	32
PID 1892 wrote to memory of 2928	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	32
PID 1892 wrote to memory of 2928	1892	ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp	32

C:\Users\Admin\AppData\Local\Temp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe
"C:\Users\Admin\AppData\Local\Temp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Users\Admin\AppData\Local\Temp\is-JTLVJ.tmp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-JTLVJ.tmp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp" /SL5="$A0150,4535807,54272,C:\Users\Admin\AppData\Local\Temp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe
    "C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2816
- - C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe
    "C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2928

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

mobilemediaconverter32_64.exe

Path \Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe
Size 3.7MB
SHA256 45f759c1d6bfb3690f7f062150b2714d8201b9fb124b65e4c9fb6ac9c13b2ca9
MD5 155b4daceadc443af3669c488bd2e80e
SHA1 09b173c17bf675df7c85c56bb336264ab40f9e26
SHA512 b7560c37bfff8b65f6132643add2af0f1e7dcf77c627a609fdb488b0bcdb803ced799d982f07cd12cfe4209143e818055e1cd99f417f1aaacdf640dad107c6e9
SSDEEP 49152:zUkqMxZb3FIJePUKlje5DZAQyFquFIal0PQRFfCSP:lxFeePUKl65DZAQyFnFIMOQZL
MD5 SHA1 SHA512 SSDEEP

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_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-1C630.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_isdecmp.dll

Path \Users\Admin\AppData\Local\Temp\is-1C630.tmp\_isetup\_isdecmp.dll
Size 13KB
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
SSDEEP 384:BXvhMwoSitz/bjx7yxnbdn+EHvbsHoOODCg:BZ7FEAbd+EDsIO
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-1C630.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp

Path \Users\Admin\AppData\Local\Temp\is-JTLVJ.tmp\ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0.tmp
Size 680KB
SHA256 34aaed9a2269786460f3f825109a5cbcc0813e2e62d840f9f09a52b309bad8cb
MD5 7ea8af33399c5be80e3ba7e3dfb13bc0
SHA1 662369b17072c0eb1b81cd8a0bb7b74ea3db603c
SHA512 1b8206fd123e36e59d66666238ff16685b7fdaabc5fe2d32757604788dfbc7fdac82927347ad7836d84482817eb35384406b0222d82410c92c0fbc6e63f28395
SSDEEP 12288:q0QfKb7nH5lrPo37AzHTA63I0ihE4qE7prN9cgKARpkvXYnXExy8:qfKbT5lrPo37AzHTA63/cfqAcgKckvI0
MD5 SHA1 SHA512 SSDEEP

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memory/1432-68-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1432-2-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/1432-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1892-74-0x0000000003B10000-0x0000000003EBC000-memory.dmp

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memory/1892-9-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/1892-59-0x0000000003B10000-0x0000000003EBC000-memory.dmp

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memory/1892-69-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2816-61-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2816-64-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2816-60-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-86-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-96-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-73-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-77-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-80-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-83-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-66-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-87-0x0000000002380000-0x0000000002422000-memory.dmp

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memory/2928-93-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-70-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-99-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-102-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-105-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-108-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-109-0x0000000002380000-0x0000000002422000-memory.dmp

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memory/2928-110-0x0000000002380000-0x0000000002422000-memory.dmp

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memory/2928-114-0x0000000000400000-0x00000000007AC000-memory.dmp

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memory/2928-117-0x0000000000400000-0x00000000007AC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads