socks5systemz | 6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7

General

Target

6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe
Size

6.2MB
MD5

00f68ec59482a94888719985b269ce9b
SHA1

7167ee643e2bc4703f05ff9458da97f437362aee
SHA256

6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7
SHA512

0335e4b3973d660a00f31677dd4bc4212613ab61b85927a480a077e322b5acbb5aab57373637296f910c587a6ca2d2a64df62e2ea175242d6078ccd8ed94ad6b
SSDEEP

98304:mXoF/KsTkPom8xmvPYVCTi6zIILUGPNrP0k0kfY89Xl5yaiUfz5I2rSTYujS5suY:tQsAPo1mvw0jIkZp0Hkw8UaPNIHjG2uY

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3312-85-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp
1112	galaxymusicstudio32.exe
3312	galaxymusicstudio32.exe

Loads dropped DLL 1 IoCs

pid	Process
4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 4652	2240	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe	90
PID 2240 wrote to memory of 4652	2240	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe	90
PID 2240 wrote to memory of 4652	2240	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe	90
PID 4652 wrote to memory of 1112	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	91
PID 4652 wrote to memory of 1112	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	91
PID 4652 wrote to memory of 1112	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	91
PID 4652 wrote to memory of 3312	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	92
PID 4652 wrote to memory of 3312	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	92
PID 4652 wrote to memory of 3312	4652	6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp	92

C:\Users\Admin\AppData\Local\Temp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe
"C:\Users\Admin\AppData\Local\Temp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\is-54P5A.tmp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-54P5A.tmp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp" /SL5="$A003E,6206406,54272,C:\Users\Admin\AppData\Local\Temp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1112
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3312

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:3096

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\Galaxy Music Studio\galaxymusicstudio32.exe

Filesize
4.9MB

MD5
b9e81579f90b3a9dfeaf9b2ac634478f

SHA1
8b89259a2bfde30e8483917922e96e3be22cbc3d

SHA256
97ae0e70a6d660359270d810d8a668e44ab175d89cb83022622f912b9e62b8e0

SHA512
95bd9950167d8713f055461adb51c90f5b726214c36395e6c73b70047fba1d040e93b3a7813162692a7f2245eb5a5eb72dcfa54e72a07bb673c453d42024fc54

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-54P5A.tmp\6440835a706611ccec86a174da1ad5a3a92398549efbb050f91c2f7ce73604e7.tmp

Filesize
680KB

MD5
78f695ace22daf36e34fa37782f0dd80

SHA1
4098c49735260753da510587fd946153ce2c2001

SHA256
0395db2b5a63eaed214bd1d2831931bfc5621f136567254c82fcc02821e26f30

SHA512
6def356098859e3fb2806126e6515a1e76a9efb8c95edbf53f8b6fef41302a77a9f791a4b3bec08fae82693c7f77192161aacd7a66c22043a520cb8aa14c3861

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KQS1H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1112-59-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/1112-60-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/1112-61-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/1112-65-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2240-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

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

Filesize
40KB

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

Filesize
80KB

Download
memory/3312-71-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-85-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/3312-112-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-74-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-77-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-80-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-83-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-108-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-88-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-93-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-96-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-99-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-102-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/3312-105-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4652-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4652-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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