socks5systemz | b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147

General

Target

b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe
Size

4.9MB
MD5

3d3967fd878136fa321428299e208192
SHA1

7717260c38becb6c359dd677685e8e34727eb420
SHA256

b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147
SHA512

3985193189f0f9576243d5a03af297f6c92aa477df6f63051115e35f6764dd7b3921c72ffc1848d48557200452666922450596f1b6129a5354ccddeb8c3bbcbf
SSDEEP

98304:mpeG+edcRh3CLrfyFXITePnCnrsSc9QJZLahn1KiSYysf1kRiBYz81+ZVB:bG+ic3S3fyFXCeur94QJZ/iSHsf1PKzN

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bvqujdj.com

http://bvqujdj.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c5e6919b3f

http://bvqujdj.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e8928544875a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c993ec46b9712

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4048-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz
behavioral1/memory/4048-110-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz
behavioral1/memory/4048-109-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp
5040	mp3ripfreeedition32_64.exe
4048	mp3ripfreeedition32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.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
2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 2248	4252	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	90
PID 4252 wrote to memory of 2248	4252	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	90
PID 4252 wrote to memory of 2248	4252	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	90
PID 2248 wrote to memory of 5040	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	92
PID 2248 wrote to memory of 5040	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	92
PID 2248 wrote to memory of 5040	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	92
PID 2248 wrote to memory of 4048	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	94
PID 2248 wrote to memory of 4048	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	94
PID 2248 wrote to memory of 4048	2248	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	94

C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe
"C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Users\Admin\AppData\Local\Temp\is-C55KD.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C55KD.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp" /SL5="$A016C,4912542,54272,C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
    "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:5040
- - C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
    "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4048

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 --field-trial-handle=3808,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:2608

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\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Filesize
3.1MB

MD5
e9f28ca0b347e2e9c5f8d34005ddc57d

SHA1
c8acd89e4d33b095759a344d1ace0238552301a4

SHA256
6cfd997ec0848ba46e36fd30601a3b10b387ced6c45f044ecd6895934dd53ac3

SHA512
e5ee329243f297e4e2d09bd0745ff481b6afc4a372e002cae5e7adc378737f23efd9a1a1cd7128de4b3a5bc015c13c26614b468ccbe923afc5ff7a79ebb7cd3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6AI30.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C55KD.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp

Filesize
680KB

MD5
3fd01798d5c0b482b5e51feacc84dd79

SHA1
8cc31c82ed0f579d988ac4f56d13bbd43c318578

SHA256
edf06b3057692fb34474364426a42e732a0c16c0b0a3972eb4aa739ab239b3ee

SHA512
fe7b2a8a78775acb0eceb5781af6daa6dde84aec28bd4fa69072d5cdeff2019a2c78a4c0e112eddd44cd659ec93449903663981453e99c50b130f4352d6d3d36

Download Submit
memory/2248-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2248-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4048-96-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-105-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-117-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-114-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-109-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4048-68-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-110-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4048-108-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-71-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-74-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-77-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-80-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-83-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4048-90-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-93-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-102-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4048-99-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4252-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4252-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4252-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5040-59-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/5040-65-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/5040-63-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/5040-60-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download

Analysis

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