socks5systemz | af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817

General

Target

af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe
Size

5.0MB
MD5

302802b2b5512a5428a68d3906bdbe93
SHA1

90f24f51d7830db5d880fb2db844822fe4ecd0a0
SHA256

af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817
SHA512

62c053266d316fb9a830f8775a4d94f45be72eaadb1e01714c695f3fc6e345a4e7570b40525872361d636a8267f88a182bcd1927861d8afe8f12cb4ef9f2bd89
SSDEEP

98304:+1QLjkx3+qB7+uc7VAtXx1AuFBnskRko4YAnUMpqK7Cf4G/sstsQd1ZDlBx:msT32thPskREYAn0K7C//siXzx

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ayhqnwo.ru

http://ayhqnwo.ru/search/?q=67e28dd86a0bf32e440fad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf713c5ed96

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2972-100-0x0000000002100000-0x00000000021A2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
2832	perfectmetronomesoftware.exe
2972	perfectmetronomesoftware.exe

Loads dropped DLL 6 IoCs

pid	Process
1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	2	152.89.198.214	2972	perfectmetronomesoftware.exe
Destination IP	3	152.89.198.214	2972	perfectmetronomesoftware.exe
Destination IP	6	91.211.247.248	2972	perfectmetronomesoftware.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	perfectmetronomesoftware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	perfectmetronomesoftware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 1688 wrote to memory of 300	1688	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe	30
PID 300 wrote to memory of 2832	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	31
PID 300 wrote to memory of 2832	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	31
PID 300 wrote to memory of 2832	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	31
PID 300 wrote to memory of 2832	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	31
PID 300 wrote to memory of 2972	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	32
PID 300 wrote to memory of 2972	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	32
PID 300 wrote to memory of 2972	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	32
PID 300 wrote to memory of 2972	300	af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp	32

C:\Users\Admin\AppData\Local\Temp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe
"C:\Users\Admin\AppData\Local\Temp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\is-AEI4J.tmp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-AEI4J.tmp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp" /SL5="$40016,4943452,54272,C:\Users\Admin\AppData\Local\Temp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:300
- - C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
    "C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2832
- - C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
    "C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2972

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Perfect Metronome Software\libeay32.dll

Filesize
2.0MB

MD5
1176a2fcbc3cfb77207db7575dd6a522

SHA1
e0a854c77a65e542712c9fe3feae2331fcddb7f4

SHA256
553200e21658e7976d496c52cc1aeb50446b877ccda4f0b073a553ec3fb48560

SHA512
bb00340e4931342c4db499d68e98542f401a985c062810225ee661a7a289a885dab8c64f37fb231212ad2a5d703f3fd0528e8402fc1033cf4128d075714e3f34

Download Submit
\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe

Filesize
1.9MB

MD5
f70f676d854f61a4b3f03f9da4ff0c4a

SHA1
e873ccc3384a7da17cbcb384718104717c8e6d3c

SHA256
da1b807ee2107de16dd9bad197a42a2cb80a4852dec64dedf53355117c5c6741

SHA512
3386a0e9c205294f952b3f3e8d1dac4f003db75ddc75ab0392e5404fbf1355d1e787f0cb654355361c037bc3063d251e8a5c200c9b669b2a44411566884df9c9

Download Submit
\Users\Admin\AppData\Local\Temp\is-AEI4J.tmp\af04d97db0789ae6583eaa17aeda1bb8f5262167262d8e329cbe1e5791010817.tmp

Filesize
695KB

MD5
db24444fa47ba3dbc4c3dede3cb968f0

SHA1
688e63a78c63230b6cc61e4fab772ade1e90ff84

SHA256
09898f414e1897a826e277b39c53326cd6761b0f984bf2626d86878b0f961a46

SHA512
5ab5d5eebd5f34fa580e86a21bfdde0e9382d906449ab67acb4d9e7767bdca81cb6701aa2b88cd27414f134977db329b7ea3ae9b412b623427222b052bc771e9

Download Submit
\Users\Admin\AppData\Local\Temp\is-U241H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-U241H.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-U241H.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/300-15-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/300-67-0x0000000003180000-0x0000000003368000-memory.dmp

Filesize
1.9MB

Download
memory/300-79-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/300-80-0x0000000003180000-0x0000000003368000-memory.dmp

Filesize
1.9MB

Download
memory/1688-81-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2832-68-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2832-69-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2832-70-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2832-74-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-83-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-112-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-84-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-87-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-90-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-93-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-96-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-99-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-100-0x0000000002100000-0x00000000021A2000-memory.dmp

Filesize
648KB

Download
memory/2972-106-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-109-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-77-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-115-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-118-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-121-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-124-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-127-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-130-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-134-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-137-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-140-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/2972-143-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download

Analysis

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