socks5systemz | 3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a

General

Target

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe
Size

3.8MB
MD5

89232588779cca7da57df81d46458e64
SHA1

106a9a4a84cb422023e9ebce0c055c92ed36db1c
SHA256

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a
SHA512

16fa01b529450533b88d73b3d76c2a3c21f500e66ab445ca5a76e8fbb20a14979ccf181ebea240d6d89c54f76934344a6f05ab5e75ff86d6be8ff294ab4583da
SSDEEP

98304:7amjv3FMzNsloeiVpQwL/W4etOvM+2XZAoFvbjnQm8vtev9AE:TN+Nsment+p2PDjQPlC9z

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bombcqi.com/search/?q=67e28dd83f0ca07c130efd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f471ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffc14c1ee949f39

Signatures

Detect Socks5Systemz Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1500-74-0x0000000000B50000-0x0000000000BF2000-memory.dmp	family_socks5systemz
behavioral1/memory/1500-85-0x0000000000B50000-0x0000000000BF2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

is-QUEJQ.tmpsimplefreewaveeditor.exesimplefreewaveeditor.exe

pid process

3540 is-QUEJQ.tmp
376 simplefreewaveeditor.exe
1500 simplefreewaveeditor.exe
Loads dropped DLL 3 IoCs

Processes:

is-QUEJQ.tmp

pid process

3540 is-QUEJQ.tmp
3540 is-QUEJQ.tmp
3540 is-QUEJQ.tmp
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 152.89.198.214
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

pid	process
3540	is-QUEJQ.tmp
376	simplefreewaveeditor.exe
1500	simplefreewaveeditor.exe

pid	process
3540	is-QUEJQ.tmp
3540	is-QUEJQ.tmp
3540	is-QUEJQ.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exeis-QUEJQ.tmp

description	pid	process	target process
PID 3988 wrote to memory of 3540	3988	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-QUEJQ.tmp
PID 3988 wrote to memory of 3540	3988	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-QUEJQ.tmp
PID 3988 wrote to memory of 3540	3988	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-QUEJQ.tmp
PID 3540 wrote to memory of 376	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe
PID 3540 wrote to memory of 376	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe
PID 3540 wrote to memory of 376	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe
PID 3540 wrote to memory of 1500	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe
PID 3540 wrote to memory of 1500	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe
PID 3540 wrote to memory of 1500	3540	is-QUEJQ.tmp	simplefreewaveeditor.exe

C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe
"C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\is-RBLGS.tmp\is-QUEJQ.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RBLGS.tmp\is-QUEJQ.tmp" /SL4 $E01BE "C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe" 3675463 52224
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe
"C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe" -i
3⤵
- Executes dropped EXE
PID:376

C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe
"C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe" -s
3⤵
- Executes dropped EXE
PID:1500

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=4508,i,7447082786332118630,10839110169592584063,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
1⤵
PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe
Filesize
3.8MB

MD5
6e326254a53217de937ac9a4b0eed097

SHA1
55327dcd1821140aae9e05b2c370bdda841f3d15

SHA256
8216168ffe2d1d220186328677604bdec3f8d2ec70f5b1a1e1340700976b0803

SHA512
5c3467db72e198a8a5480374bbf9b9a54b563dc6ed579fc4fcfdca4991c5ec2427e5d26505dd31071b5c008cad190eb5af27481f87e00c5d25e7fe4f29833d3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KPE79.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KPE79.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RBLGS.tmp\is-QUEJQ.tmp
Filesize
648KB

MD5
7c8240e466c74b0e0c80bfbccb9f3c39

SHA1
43a580359f41e067aa77d153532d0073cc17c4db

SHA256
63295dcd59e424cdf29a4bc5500054f24317a349af48f970fe14ab85439a1a4d

SHA512
3c956b8f7c881873356abf62eed5e04ee9ae84a54ad0f9cc497eb05ba0a35f8ed32e03b54e7fb47293b2f83201822b5d866f1258db5e36336b650bb3584b2283

Download Submit
memory/376-44-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/376-47-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/376-48-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/376-43-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-58-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-79-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-101-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-51-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-95-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-92-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-90-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-55-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-88-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-59-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-62-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-63-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-68-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-70-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-72-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/1500-74-0x0000000000B50000-0x0000000000BF2000-memory.dmp

Filesize
648KB

Download
memory/1500-85-0x0000000000B50000-0x0000000000BF2000-memory.dmp

Filesize
648KB

Download
memory/1500-82-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3540-7-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/3540-54-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/3540-53-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3988-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3988-52-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3988-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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