socks5systemz | 97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee

General

Target

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe
Size

4.7MB
MD5

e639f2fc1ae9d9fcf45b9689a17dc74f
SHA1

45e340a5fc19cd6e52559d2e32feda26d2395ee7
SHA256

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee
SHA512

e60d68a4e4ffebc423af47506bc793f54ac39737f065e839a20d935e4556e616060a744e2fceca648a57c63a03ff7cf5020fa247deb6588ee1bdccaa3f71a7fe
SSDEEP

98304:mPLOJy7HDtrWP4dAiMJvr2iBCoTyryphCWjk5vQaHjOJ6:OLOw7HD5WgZitphCsLaDOA

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbdyivk.com

http://bbdyivk.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c9ee9c

http://bbdyivk.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef9d8245855a8bbc896c58e713bc90c91936b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ec979b32cc66

Signatures

Detect Socks5Systemz Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2692-93-0x0000000002210000-0x00000000022B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2692-115-0x0000000002210000-0x00000000022B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2692-116-0x0000000002210000-0x00000000022B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2692-133-0x0000000002210000-0x00000000022B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2692-134-0x0000000002210000-0x00000000022B2000-memory.dmp	family_socks5systemz

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

Processes:

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmplesserextent32.exelesserextent32.exe

pid process

1988 97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
2040 lesserextent32.exe
2692 lesserextent32.exe

pid	process
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
2040	lesserextent32.exe
2692	lesserextent32.exe

Loads dropped DLL 5 IoCs

Processes:

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp

pid	process
2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.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 141.98.234.31
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:

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp

pid process

1988 97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp

description	pid	process	target process
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 2424 wrote to memory of 1988	2424	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
PID 1988 wrote to memory of 2040	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2040	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2040	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2040	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2692	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2692	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2692	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe
PID 1988 wrote to memory of 2692	1988	97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp	lesserextent32.exe

C:\Users\Admin\AppData\Local\Temp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe
"C:\Users\Admin\AppData\Local\Temp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\is-QSPPQ.tmp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QSPPQ.tmp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp" /SL5="$4010A,4661544,54272,C:\Users\Admin\AppData\Local\Temp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i
3⤵
- Executes dropped EXE
PID:2040

C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
Filesize
2.8MB

MD5
a455bade05196fd3966098f2af5316c2

SHA1
b1d2c9d415e00044b29b00d8a2040a910dd20d1e

SHA256
743854e7a7adc9fa37567d6cae9bfc77ba31969c90411a15729bbc066a5f1d61

SHA512
cf14ad19a633fa457668a3be728dac1259f74d956d51971777f998ddb289b024c069b7560b9a746e794ce58e4befa2a43808f199e55a9f4f81e1f2a629da7a06

Download Submit
\Users\Admin\AppData\Local\Temp\is-E7R6L.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-E7R6L.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-QSPPQ.tmp\97f2f45e34af3ae26a7c14c51e111b48c98eef5a2bae1fafd45df5a0c3f46bee.tmp
Filesize
680KB

MD5
dff4f58a01a8e88e4a2f821ca761d901

SHA1
e67e24669220213f895b68c0d662b02b03469b4a

SHA256
91b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76

SHA512
049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a

Download Submit
memory/1988-80-0x0000000003300000-0x00000000035C5000-memory.dmp

Filesize
2.8MB

Download
memory/1988-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1988-64-0x0000000003300000-0x00000000035C5000-memory.dmp

Filesize
2.8MB

Download
memory/1988-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2040-65-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2040-66-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2040-70-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2424-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2424-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-86-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-108-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-76-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-83-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-72-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-89-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-92-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-93-0x0000000002210000-0x00000000022B2000-memory.dmp

Filesize
648KB

Download
memory/2692-99-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-102-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-105-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-79-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-111-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-114-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-115-0x0000000002210000-0x00000000022B2000-memory.dmp

Filesize
648KB

Download
memory/2692-116-0x0000000002210000-0x00000000022B2000-memory.dmp

Filesize
648KB

Download
memory/2692-120-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-123-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-126-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-129-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-132-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2692-133-0x0000000002210000-0x00000000022B2000-memory.dmp

Filesize
648KB

Download
memory/2692-134-0x0000000002210000-0x00000000022B2000-memory.dmp

Filesize
648KB

Download
memory/2692-137-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads