socks5systemz | bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5

General

Target

bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe
Size

5.5MB
MD5

503aeec17eee650e815927b78d27aaef
SHA1

ca838bbcdf723bfbdcce900bbbceccf512d0a4f6
SHA256

bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5
SHA512

e7392e325db2b745be2ac6c99e8867cf426784316cd5a2c4f0e6c6d79d92609d409329c9afba03a0a10c3a912e2b7ad7a974317c2d1f98537e53648e23bd3cd6
SSDEEP

98304:m2jOVGb+vPPK3s+rfTvn/w9xPnez+bgp+X0GZERIl9F7+bfZS3b4ARBxgGI6kZl:WG6/KPrfTfkRpbs9GCO9UbfZU8mxTFwl

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/3860-92-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz
behavioral1/memory/3860-115-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz
behavioral1/memory/3860-116-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp
3676	zvaervideorecorder.exe
3860	zvaervideorecorder.exe

Loads dropped DLL 3 IoCs

pid	Process
1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp
1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp
1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 1860	1872	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe	90
PID 1872 wrote to memory of 1860	1872	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe	90
PID 1872 wrote to memory of 1860	1872	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe	90
PID 1860 wrote to memory of 3676	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	91
PID 1860 wrote to memory of 3676	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	91
PID 1860 wrote to memory of 3676	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	91
PID 1860 wrote to memory of 3860	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	92
PID 1860 wrote to memory of 3860	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	92
PID 1860 wrote to memory of 3860	1860	bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp	92

C:\Users\Admin\AppData\Local\Temp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe
"C:\Users\Admin\AppData\Local\Temp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\is-7MD00.tmp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7MD00.tmp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp" /SL5="$501DA,5476278,54272,C:\Users\Admin\AppData\Local\Temp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe
    "C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3676
- - C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe
    "C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3860

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=4488,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3812 /prefetch:8
1⤵
PID:1988

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\Temp\is-4FDF7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4FDF7.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7MD00.tmp\bdb0794eae952ccb9f578c6a0f9074b28074d5d0f96997bc811b938494bf8db5.tmp

Filesize
680KB

MD5
f1ee51c7eacce1e7de399503fcf98464

SHA1
f15e223943d1e3d7d9faf908cfa54da7cc6a1e4b

SHA256
560c4f40ebbaa3e66a4a778ea8b278c9bb1285ee468b64efa820ed0a41849552

SHA512
47da2d4959d10e87c926323eea4b67e06ed8116c7f92cf36e2a87b4d9f1061eeca1cd2a817015ebad6c349aa15e40546d0eaa7ee461024156bea8239ee01ca27

Download Submit
C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe

Filesize
3.0MB

MD5
043bbfbf3f9119e9acd330980383d523

SHA1
bfd5461a05fe9e56d811c407056b074aee2362fb

SHA256
95453c0bb147bd2773b049f0b255e6ae954e1ca2de8df4e264b39e090ca4649f

SHA512
5174de21c14c60fb6624c4740d3342efdbc194a75617b98c6fc64e625c52ee287107d0d15b0683286e6dba45ddb90250e84d4db503f04e2de1b88941e3cb96e3

Download Submit
memory/1860-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1860-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1872-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1872-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3676-65-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3676-66-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3676-67-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3676-71-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-77-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-102-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-80-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-83-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-86-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-89-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-92-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/3860-96-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-99-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-74-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-105-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-108-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-111-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-114-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-115-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/3860-116-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/3860-120-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download
memory/3860-123-0x0000000000400000-0x0000000000710000-memory.dmp

Filesize
3.1MB

Download

Analysis

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