socks5systemz | 4c07ececc0a1612cfcbc84a71e16fee89e8f333207840b03d510510bd6fc74f6

General

Target

2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe
Size

6.3MB
MD5

7b9f684059e6b84764f01b64c45eb828
SHA1

88f3aaf332bdc1ed1e6870d757b07ed9c3f47c4b
SHA256

2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f
SHA512

577c5fcc9a2c9e518f7babf33d7ec951917a8d59a4dbe7ea626f9b13f6981125b00d0a94abec6a365b2eaa479ceb3dbbce0e46f6294cd1d44aeb10c6b2c649ea
SSDEEP

98304:mvGoTQdSVyjcSk+o55e4sknnO03fMmazTUW5bjqvG8N/1HAJsT6sGeP14H1633i:docdSVT3PnZfVazTUuCtB1Cs1GeiVA3i

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1416-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz
behavioral2/memory/1416-108-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz
behavioral2/memory/1416-109-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp
2572	berryplayer32.exe
1416	berryplayer32.exe

Loads dropped DLL 1 IoCs

pid	Process
2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.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	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

pid	Process
2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2636	4932	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe	83
PID 4932 wrote to memory of 2636	4932	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe	83
PID 4932 wrote to memory of 2636	4932	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe	83
PID 2636 wrote to memory of 2572	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	87
PID 2636 wrote to memory of 2572	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	87
PID 2636 wrote to memory of 2572	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	87
PID 2636 wrote to memory of 1416	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	88
PID 2636 wrote to memory of 1416	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	88
PID 2636 wrote to memory of 1416	2636	2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp	88

C:\Users\Admin\AppData\Local\Temp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe
"C:\Users\Admin\AppData\Local\Temp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\is-UD75Q.tmp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UD75Q.tmp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp" /SL5="$600EC,6390727,54272,C:\Users\Admin\AppData\Local\Temp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2572
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1416

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\Berry Player\berryplayer32.exe

Filesize
5.0MB

MD5
35216456b1ad576406a9982afbd52957

SHA1
7c811c4942be6171c4125f468ca569d4bc3da649

SHA256
0bbba052629c34a5c90806737158dc74d6fbecece292d102c68540adc9f50946

SHA512
f03187358aae223cb59f151665e4c1d9d10a0eadb80d73e64810f99a263e48ebe895606213d2eb7ca108ec809ffae816863a96f37f3bdcfdc54700ec8f8d238b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R1VD0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UD75Q.tmp\2f145aa84376fb1c39f3026a8e7fa62841188f92a7b4af0926df217347c7102f.tmp

Filesize
680KB

MD5
165a0d475a5c253e9800aeb6e840c81b

SHA1
aa0b69556e4e79443097f62c687431765cd34421

SHA256
279ee27cf8ac98c8c1d1535136abdd8b14a681f05dbd74a9308f62836cc3df58

SHA512
c6dbe2ceab8d58abc14c90ac4a90136ddfce1a34c29b57d1f1dc8e8515e57970da21a67a18b039eb0b15c491d1df62c3e2b9438fbfe71846a813cd877d094a3b

Download Submit
memory/1416-98-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-101-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-116-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-113-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-109-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/1416-67-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-108-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/1416-107-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-104-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-70-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-73-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-76-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-79-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-82-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/1416-89-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-92-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/1416-95-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/2572-59-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/2572-60-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/2572-64-0x0000000000400000-0x000000000090F000-memory.dmp

Filesize
5.1MB

Download
memory/2636-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2636-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4932-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4932-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4932-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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