socks5systemz | 8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a

General

Target

8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe
Size

6.3MB
MD5

81127ebbd4b42b07da25290530437228
SHA1

3394f30e278ed026c7e8604acec2fce418537bc0
SHA256

8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a
SHA512

f40a6282eaa7a8e222c0e81311aa9135bea11ee16936e2720b72452d4c1b082b08a207b48b95ea1f5834acb7e4a0cbc0c388bfc266b314ebab79605d05491ded
SSDEEP

98304:mOu3MEUaDjzdgWoL5moURJ2m2DgKkL8PuGqeNhnKTPHsmom4oz+Lv1tR4R4MDrPK:K3Lvaf9moUvK5PXqe/hoyL934R4MDrXy

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4824-88-0x0000000002790000-0x0000000002832000-memory.dmp	family_socks5systemz
behavioral1/memory/4824-110-0x0000000002790000-0x0000000002832000-memory.dmp	family_socks5systemz
behavioral1/memory/4824-111-0x0000000002790000-0x0000000002832000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp
1096	freeaudioamplifier.exe
4824	freeaudioamplifier.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.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
2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2308	2800	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe	90
PID 2800 wrote to memory of 2308	2800	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe	90
PID 2800 wrote to memory of 2308	2800	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe	90
PID 2308 wrote to memory of 1096	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	93
PID 2308 wrote to memory of 1096	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	93
PID 2308 wrote to memory of 1096	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	93
PID 2308 wrote to memory of 4824	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	94
PID 2308 wrote to memory of 4824	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	94
PID 2308 wrote to memory of 4824	2308	8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp	94

C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe
"C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\is-R6Q7R.tmp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-R6Q7R.tmp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp" /SL5="$C004E,6317630,54272,C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe
    "C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1096
- - C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe
    "C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4824

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 --field-trial-handle=3148,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:8
1⤵
PID:3488

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\Free Audio Amplifier\freeaudioamplifier.exe

Filesize
5.0MB

MD5
60246dcfb4eae4fade5b86a09325e19f

SHA1
b9ef5f03b7bc43f74b530951bf6e9f40ab6ea119

SHA256
87d2ba2aa9a8055dd1ad5e395708d809252c394654aabb6740ce2896b033a919

SHA512
732ab15f5060540e6310b2b8c0c7cc39435cb604af3d3d6f3eb8754d5b3f82909d63263b8f19f1d33018ff4e774b6b4f1de2408f8ef520d5b6e7252c2980f281

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K3HU3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R6Q7R.tmp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp

Filesize
680KB

MD5
3d09389437b4fe49052b70b1fbb44c60

SHA1
d978838aee9debc8b0f646d22ae801a688f170ce

SHA256
e41f94f31e003d1f1ec68b75353a150a9100856d2a8af8d62f441d3118bf8496

SHA512
a273ee0d92fb78b3be6109f3cc54413c5db1f318bbd9e76d3aa0233ee25dca14c346510fb708e3536c6ffda79d032b4517bd33ae8ef7b9cb5f17b4d28ea07599

Download Submit
memory/1096-59-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1096-60-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1096-64-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1096-65-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/2308-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2308-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2800-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2800-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4824-74-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-94-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-68-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-75-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-78-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-81-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-84-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-87-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-88-0x0000000002790000-0x0000000002832000-memory.dmp

Filesize
648KB

Download
memory/4824-71-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-97-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-100-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-103-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-106-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-109-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-110-0x0000000002790000-0x0000000002832000-memory.dmp

Filesize
648KB

Download
memory/4824-111-0x0000000002790000-0x0000000002832000-memory.dmp

Filesize
648KB

Download
memory/4824-115-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4824-118-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download

Analysis

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