socks5systemz | 3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e

General

Target

3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe
Size

6.2MB
MD5

1defef862a225edf0a270a530726f74c
SHA1

e172bbaa7918dd39934022bf95aaceeb60bc8978
SHA256

3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e
SHA512

e872481163d1acb1269628634c56e0731c0cb77db3d0d3f5c27c72016638614f38a29aa324433d42a2d1e8337361fa6bc4caf9cc79db45134ce3508546407660
SSDEEP

196608:tXAuLFqiOZzhjhOXMe8clwdlLS/HGfjVX1gHz:tX1LFlOZzBhO8YUtSH2jVaz

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4400-86-0x0000000000B90000-0x0000000000C32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp
3928	galaxymusicstudio.exe
4400	galaxymusicstudio.exe

Loads dropped DLL 1 IoCs

pid	Process
4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.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
4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4820	4436	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe	91
PID 4436 wrote to memory of 4820	4436	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe	91
PID 4436 wrote to memory of 4820	4436	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe	91
PID 4820 wrote to memory of 3928	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	92
PID 4820 wrote to memory of 3928	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	92
PID 4820 wrote to memory of 3928	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	92
PID 4820 wrote to memory of 4400	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	93
PID 4820 wrote to memory of 4400	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	93
PID 4820 wrote to memory of 4400	4820	3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp	93

C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe
"C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\is-7AB5S.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7AB5S.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp" /SL5="$701CA,6223304,54272,C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3928
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4400

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=3756 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:3900

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\galaxymusicstudio.exe

Filesize
4.5MB

MD5
aff565e930d4de6e3240b9157ce242ab

SHA1
c1187a40d149ea7fb1dc3b4679cc4a43ce9a4d1b

SHA256
863328c2cac8b777cb83a3efd6e26f2dc095c48d9f94b63e95d2cba7e2639484

SHA512
0bd3977da9eaba34aa7e00832cda802a906aa56be369453631c8d76c681af0f5b9b6da57ae9350ead52eea257c8170f202877a6571c3113076fa4986455368cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7AB5S.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp

Filesize
680KB

MD5
69965ce722dfa2114c5f347bb2360bdf

SHA1
8443333ce6bf7e8e9c45c11f86806ff33bce602a

SHA256
2b6a0fae79b9aba931ea1bc2f4263c232fea928ebed94540364dd77a090ffb8b

SHA512
7de423e653f2fdc3ff8a0c1fda4762f843608db32373adbf178c7a53597e509dd251ac73005baff99503ed927e13fad969fb515ea96625f2a8ce8a1cad8fe421

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7Q5U9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3928-60-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/3928-65-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/3928-62-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/3928-59-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-75-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-86-0x0000000000B90000-0x0000000000C32000-memory.dmp

Filesize
648KB

Download
memory/4400-116-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-67-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-113-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-109-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-72-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-106-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-78-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-81-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-83-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-103-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-89-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-94-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-97-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4400-100-0x0000000000400000-0x0000000000879000-memory.dmp

Filesize
4.5MB

Download
memory/4436-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4436-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4436-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4820-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4820-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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