socks5systemz | 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f

General

Target

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe
Size

4.8MB
MD5

4433bf3a29e3bfe87c5ad1de6f23caa6
SHA1

d4a77e5f2a34ea964531c6ffda76b8a6b1ed06e2
SHA256

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f
SHA512

80cbf6985df943e532af58f82116359327a23b66fe892f792c38211908eb080793c7316f9365bb52bd43e3940ec6d752f3a46a0c0ce617876c9f0624ddde67f1
SSDEEP

98304:mq0VPCgwzTZCMW0l1e6x3Pe5tRZfuWQ2w+IFjHuoz:6PCdXDW0m6FPCRtFCuoz

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2548-90-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 13 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4920-66-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4920-67-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4920-70-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-75-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-78-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-81-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-84-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-87-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-94-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-97-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-100-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-103-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2548-106-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmpfreeaudioconverter.exefreeaudioconverter.exe

pid process

3248 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
4920 freeaudioconverter.exe
2548 freeaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

pid process

3248 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
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

Processes:

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

pid process

3248 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

pid	process
3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
4920	freeaudioconverter.exe
2548	freeaudioconverter.exe

pid	process
3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

pid	process
3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp

description	pid	process	target process
PID 4268 wrote to memory of 3248	4268	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
PID 4268 wrote to memory of 3248	4268	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
PID 4268 wrote to memory of 3248	4268	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
PID 3248 wrote to memory of 4920	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe
PID 3248 wrote to memory of 4920	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe
PID 3248 wrote to memory of 4920	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe
PID 3248 wrote to memory of 2548	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe
PID 3248 wrote to memory of 2548	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe
PID 3248 wrote to memory of 2548	3248	395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp	freeaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe
"C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4268

C:\Users\Admin\AppData\Local\Temp\is-VRF3N.tmp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VRF3N.tmp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp" /SL5="$600EA,4731495,54272,C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3248

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:4920

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:2548

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 --mojo-platform-channel-handle=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:4712

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\Free Audio Converter\freeaudioconverter.exe
Filesize
3.0MB

MD5
4c80f3201df1fd5e4048ace629d4f59d

SHA1
1eb6659de58d151e32fbe4d3515b82c6cb082e42

SHA256
9eba99d73fb1777c4c446d3502e8fcefd1c9c14b125d71fc8bc1828b3b8a57b9

SHA512
8390680989d3fdcb75eb6851da81df9b0e3c95d106af7a16145df492e60bc89a6fabac451de80cb3fbd0941dfca226c107d9270d7e8fe66c7624edab0e9adc03

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H429T.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VRF3N.tmp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
Filesize
680KB

MD5
f519683b3c418feee49361b3411d8c3d

SHA1
f981468acbf6b3e1d081a52203f7e3f017fcafe7

SHA256
4fc60883a82f58b3a798be19bd6a25592631ac3ccb23af3b1a95c41dab65af4a

SHA512
db0e3a2363bb9433cc57d3da42bfb901f0ed128aad2297a88cca1dae650f69a438ef4f7634b945568bb99f59bc587eb698f08cf8dc8162808ac8575fa280c805

Download Submit
memory/2548-84-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-97-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-78-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-106-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-103-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-75-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-100-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-81-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-87-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-94-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2548-90-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/3248-63-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3248-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3248-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4268-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4920-70-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4920-67-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4920-66-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4920-64-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads