socks5systemz | 9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8

General

Target

9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe
Size

4.2MB
MD5

9159a28dfac529830f755b96903605c5
SHA1

b9d6059de4e0007f6c701a9716da77da1281691d
SHA256

9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8
SHA512

90ccbf48e33269453a43bab30edef7f56c8fba1f442084623ef3a17fefa168cce5f4bd287767762bffa80b49ebe6df0772cab135a6d528da45acfa1fc5c321b4
SSDEEP

98304:odXl1mJ9uCi9yys5raAwIgYv8+46AkpUPOWYuRsfOc/OLSbDyvSt:W129uT9gwIg9pEUGGsfOc/Hav6

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://cejuizd.net/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628af816c1ea91

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2692-94-0x0000000002620000-0x00000000026C2000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 17 IoCs

resource	yara_rule
behavioral1/memory/2600-66-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2600-69-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2600-70-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-77-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-81-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-84-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-87-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-90-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-93-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-100-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-103-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-106-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-109-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-112-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-115-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-119-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2692-122-0x0000000000400000-0x00000000005C3000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

pid	Process
1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp
2600	mixerfreeedition.exe
2692	mixerfreeedition.exe

Loads dropped DLL 5 IoCs

pid	Process
2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe
1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp
1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp
1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp
1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 2220 wrote to memory of 1932	2220	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe	28
PID 1932 wrote to memory of 2600	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	29
PID 1932 wrote to memory of 2600	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	29
PID 1932 wrote to memory of 2600	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	29
PID 1932 wrote to memory of 2600	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	29
PID 1932 wrote to memory of 2692	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	30
PID 1932 wrote to memory of 2692	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	30
PID 1932 wrote to memory of 2692	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	30
PID 1932 wrote to memory of 2692	1932	9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp	30

C:\Users\Admin\AppData\Local\Temp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe
"C:\Users\Admin\AppData\Local\Temp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\is-0UPQO.tmp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0UPQO.tmp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp" /SL5="$30144,4126250,54272,C:\Users\Admin\AppData\Local\Temp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe
    "C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2600
- - C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe
    "C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Mixer Free Edition\libeay32.dll

Filesize
1.9MB

MD5
5fbd844a6ce26deb5337e8e6dd7c7b70

SHA1
5302e49b2027a07c7bb8f95d45510efc0d954cf8

SHA256
f0d640c4e07c81c29f0ec2b603ec3017bdd4db0d0e26c3fa364a6bbf45826058

SHA512
c383b5ec9fb9efd53cdf00c2b0940fe60a35a857f8be40ae0763647c3523712553910aca8504768cc86895b2168525fa6043d567e66e0ed5696e2c8e5e7b992d

Download Submit
\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe

Filesize
1.7MB

MD5
033cc2fc6c22b5282d700551e463a1b5

SHA1
893bceb20efd55ff3be32121dcae183b394da1b6

SHA256
a3c0804bce216cce38082087185e8e9ec7267e922f7e50f7b87ef2840451ee0d

SHA512
71a1a494f43e29799504b3748ed5c6fa93d1baa57d30aea7d4602364e82d9d5631dba3e38f35323ac5a33ea0dc890c0c0209bbb653b537b33ba3791f842aaa4c

Download Submit
\Users\Admin\AppData\Local\Temp\is-0UPQO.tmp\9a36202b5534a0e81b3a2bcaf254576dd9452b36c7ecd607776ccd3df0a744a8.tmp

Filesize
696KB

MD5
c6061f804038f66af0cbf28c43abf849

SHA1
0473fc63f6514857bba850ce50206fbe8c992b64

SHA256
6261d17d1ab1744496c0f2988954989398d6829f2417df5420ffdf6d64f8678e

SHA512
edf27bfeec82752b6d52a8eb68853dde5d5effd9c3a8c1c93e181167d8bc5ae2c6d7b19ac74955c91aa4e90913fb7dcc8439d33a5e0c8aac5fe71c914596e0ae

Download Submit
\Users\Admin\AppData\Local\Temp\is-2BMR4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-2BMR4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1932-78-0x0000000003A20000-0x0000000003BE3000-memory.dmp

Filesize
1.8MB

Download
memory/1932-18-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1932-63-0x0000000003A20000-0x0000000003BE3000-memory.dmp

Filesize
1.8MB

Download
memory/1932-76-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2220-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2220-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2600-65-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2600-70-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2600-69-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2600-66-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-77-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-73-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-81-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-84-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-87-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-90-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-93-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-94-0x0000000002620000-0x00000000026C2000-memory.dmp

Filesize
648KB

Download
memory/2692-100-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-103-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-106-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-109-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-112-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-115-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-119-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2692-122-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download

Analysis

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