socks5systemz | 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172

General

Target

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
Size

4.5MB
MD5

bdf942b5db3400fcd080e65c010da2eb
SHA1

4602389c8ce2946d4995d3f8870487d36273017b
SHA256

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172
SHA512

d521f0dc0a7631f8631d34b7a66390897a3dfe0e6a5217d7a75fc3b7515131b215b495fc90b2585ba92a6b7051a473a0e1f135bf73191cf7ffd4dcb4ab28c0c0
SSDEEP

98304:mn9nw0s0pmpQNds2Ra/u6ZWR/8pXDLJEd2UW18dh27fB65:Yw0spO6X26ZA8pXDGk18d/5

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezjbcwd.ua

http://ezjbcwd.ua/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8eff15c7e896

http://ezjbcwd.ua/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12eab517aa5c96bd86ee918445815a8bbc896c58e713bc90c91936b5281fc235a925ed3e53d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ef959e3cca6c

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2512-92-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2512-114-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2512-115-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
2776	moonvideo2audio32.exe
2512	moonvideo2audio32.exe

Loads dropped DLL 5 IoCs

pid	Process
2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.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
1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 2932 wrote to memory of 1964	2932	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	28
PID 1964 wrote to memory of 2776	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	29
PID 1964 wrote to memory of 2776	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	29
PID 1964 wrote to memory of 2776	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	29
PID 1964 wrote to memory of 2776	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	29
PID 1964 wrote to memory of 2512	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	30
PID 1964 wrote to memory of 2512	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	30
PID 1964 wrote to memory of 2512	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	30
PID 1964 wrote to memory of 2512	1964	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	30

C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
"C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\is-NFNLQ.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NFNLQ.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp" /SL5="$5014E,4441808,54272,C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2776
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2512

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

\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe

Filesize
2.3MB

MD5
d321cd856bf54fb6c2c9180938a5ad91

SHA1
393a99e054e5058616bbe23123c0804b88c7224e

SHA256
77601281a4839d212b6ba2276e46ae9dbd01fd9524ec72fbd170c65f847cb16b

SHA512
03adc920b4ec7d1fc7715cb0dbf8d21f2fcc39241f168d3f15ed4fa95579ca2dde9a2f2ab21560740999d9e4323c4ae0dce448f5b6e8dcf89de6ca2868ee6418

Download Submit
\Users\Admin\AppData\Local\Temp\is-NFNLQ.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Filesize
680KB

MD5
8ebef6645baa32451781267511737482

SHA1
2d8429a0137dbc67866dcb9faeb11eba1a2a617d

SHA256
205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

SHA512
ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q59EG.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q59EG.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1964-64-0x00000000038B0000-0x0000000003AF5000-memory.dmp

Filesize
2.3MB

Download
memory/1964-79-0x00000000038B0000-0x0000000003AF5000-memory.dmp

Filesize
2.3MB

Download
memory/1964-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1964-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2512-113-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-92-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2512-134-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-71-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-131-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-128-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-75-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-78-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-125-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-82-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-85-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-88-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-91-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-122-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-98-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-101-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-104-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-107-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-110-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-119-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2512-114-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2512-115-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2776-66-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2776-65-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2776-69-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2932-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2932-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2932-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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