socks5systemz | 72334eda0fa1761f55a5c170be94105f557785e1d1071a9fb876700b32686799

General

Target

0cc4c571dd7beb0baf48c7a76f3ab1d7.exe
Size

3.4MB
MD5

0cc4c571dd7beb0baf48c7a76f3ab1d7
SHA1

b887d55bdf46831fa924ccc76040d25f56c9b263
SHA256

72334eda0fa1761f55a5c170be94105f557785e1d1071a9fb876700b32686799
SHA512

02c1a3af5a053d68a6a522947e59e8f9cf2685a6bbe9c5667b7cc359e29b773f1e993361c0bb40fdfe56cb003a406a1a93e2f19253690625560a7b36e31996bf
SSDEEP

98304:N3GzTE4txiO3KL5qWZDwIDpAFjbCicSwk4fl3:J2cO3K1hHDpOhEl3

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/5684-77-0x00000000009B0000-0x0000000000A50000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp
5684	partitioneditorfree.exe

Loads dropped DLL 2 IoCs

pid	Process
5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp
5684	partitioneditorfree.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 3 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	0cc4c571dd7beb0baf48c7a76f3ab1d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	partitioneditorfree.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp
5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 5104	4328	0cc4c571dd7beb0baf48c7a76f3ab1d7.exe	86
PID 4328 wrote to memory of 5104	4328	0cc4c571dd7beb0baf48c7a76f3ab1d7.exe	86
PID 4328 wrote to memory of 5104	4328	0cc4c571dd7beb0baf48c7a76f3ab1d7.exe	86
PID 5104 wrote to memory of 5684	5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp	90
PID 5104 wrote to memory of 5684	5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp	90
PID 5104 wrote to memory of 5684	5104	0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp	90

C:\Users\Admin\AppData\Local\Temp\0cc4c571dd7beb0baf48c7a76f3ab1d7.exe
"C:\Users\Admin\AppData\Local\Temp\0cc4c571dd7beb0baf48c7a76f3ab1d7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Users\Admin\AppData\Local\Temp\is-QP5F0.tmp\0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QP5F0.tmp\0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp" /SL5="$401E8,3275079,54272,C:\Users\Admin\AppData\Local\Temp\0cc4c571dd7beb0baf48c7a76f3ab1d7.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Users\Admin\AppData\Local\Partition Editor 3.3.5 Free\partitioneditorfree.exe
    "C:\Users\Admin\AppData\Local\Partition Editor 3.3.5 Free\partitioneditorfree.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:5684

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\Partition Editor 3.3.5 Free\partitioneditorfree.exe

Filesize
2.5MB

MD5
669dbc1a75682418472fa31f15230313

SHA1
82fa23153dd44b5a023e70bf385212583d5a065c

SHA256
e5a7001b7d8aa47228eb32c7d2da04e312657bb103112a72631db9fe69f07b82

SHA512
d087780b31591c1b86e4fac7264b0ce1c08b964764dae8da926a45dae7094dff7f51ca74914af367262ba9b8a51b85b22102d4abdc8fe52a5190bf63d596baa0

Download Submit
C:\Users\Admin\AppData\Local\Partition Editor 3.3.5 Free\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6K5Q0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QP5F0.tmp\0cc4c571dd7beb0baf48c7a76f3ab1d7.tmp

Filesize
692KB

MD5
ba5de3a8634c9bb483f18f3b4d000055

SHA1
fb7ea7dfb2b76c0f7a3b506954c1be6242153d63

SHA256
1cf56c7e21941de1c547c1772e0f3fcfb789284d54aefdec724187623a459524

SHA512
b3f24536616f511e7afd448ade3534b0d791bcca3ca758d0cba4d4685a69de734d36ed36e171c5e3a7475c47d0ff43c44f863b50ab1c7b3dbc8e8e9f2f92a2d2

Download Submit
memory/4328-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4328-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4328-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5104-51-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/5104-16-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/5684-55-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-71-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-46-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-54-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-56-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/5684-45-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-59-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-63-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-67-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-50-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-75-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-77-0x00000000009B0000-0x0000000000A50000-memory.dmp

Filesize
640KB

Download
memory/5684-82-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-86-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-90-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-94-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-98-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-102-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-116-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download
memory/5684-120-0x0000000000400000-0x0000000000689000-memory.dmp

Filesize
2.5MB

Download

Analysis

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