socks5systemz | c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197

General

Target

c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe
Size

5.9MB
MD5

d612fe774a03a9ac300a876879c7b600
SHA1

3dcecec9371bd5c78d0dcb6c9df8b9bc79215b44
SHA256

c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197
SHA512

8bc61d5df33b643bdd8702ef5f98a3997a1facec3c6de858d38052f5b59ba4a950ba5bfb3205540a7195b18cf46e20d7a606b700600774e25e2099a5a229aeed
SSDEEP

98304:4HAfRSJ3cTIDl+jiU2ensD97dRYkTprRnVKTR0K7PiuSYyhiXQNkuC/YF6pq5F8l:WA5wOI7esDLWkTpyTR0K7quSY5XQuu6B

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2676-113-0x0000000002BE0000-0x0000000002C82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
2676	EasyCutStudio833.exe

Loads dropped DLL 5 IoCs

pid	Process
3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.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

System Location Discovery: System Language Discovery 1 TTPs 5 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	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EasyCutStudio833.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 3036 wrote to memory of 2536	3036	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe	30
PID 2536 wrote to memory of 2856	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	31
PID 2536 wrote to memory of 2856	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	31
PID 2536 wrote to memory of 2856	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	31
PID 2536 wrote to memory of 2856	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	31
PID 2536 wrote to memory of 2676	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	33
PID 2536 wrote to memory of 2676	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	33
PID 2536 wrote to memory of 2676	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	33
PID 2536 wrote to memory of 2676	2536	c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp	33
PID 2856 wrote to memory of 2796	2856	net.exe	34
PID 2856 wrote to memory of 2796	2856	net.exe	34
PID 2856 wrote to memory of 2796	2856	net.exe	34
PID 2856 wrote to memory of 2796	2856	net.exe	34

C:\Users\Admin\AppData\Local\Temp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe
"C:\Users\Admin\AppData\Local\Temp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\is-B7BQ7.tmp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-B7BQ7.tmp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp" /SL5="$400C6,5975462,56832,C:\Users\Admin\AppData\Local\Temp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.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:2536
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause easy_cut_studio_833
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause easy_cut_studio_833
      4⤵
      System Location Discovery: System Language Discovery
      PID:2796
- - C:\Users\Admin\AppData\Local\EasyCutStudio 8.3.3\EasyCutStudio833.exe
    "C:\Users\Admin\AppData\Local\EasyCutStudio 8.3.3\EasyCutStudio833.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2676

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

\Users\Admin\AppData\Local\EasyCutStudio 8.3.3\EasyCutStudio833.exe

Filesize
4.4MB

MD5
5c64e2245b5b7c52d6862bd232010baf

SHA1
7da028c871eafcbee5b19327c0a2b296dd9536a8

SHA256
5d2cbe46b7d60f159e6017843bc4bc92c157ea24b0f0662cec4f7112af551024

SHA512
a4394825e8dc254d0a5a53fd618d8145f9bf1e39ef0d9bb97b86d841e0e8915365e4cfe96ec68161917e6544d0f60062756589553f6d1674a8db1e9ddebb16d5

Download Submit
\Users\Admin\AppData\Local\Temp\is-4NF0J.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-4NF0J.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-B7BQ7.tmp\c09ada51aa55b7020d780bf333f08018b33a59bcd3a08ad6f0eaffd45bf75197N.tmp

Filesize
692KB

MD5
24d3800a767ad6e3d5ffd605ffb2b1ac

SHA1
3786d5d0c40792b5eb62927d24dbd72c25e76c7e

SHA256
a98acb1206c9388a55aa3239cf25a36935a4c327efd5ed03e12252648040e67a

SHA512
70c5d611521279af8ad743b0ab284a97d4b1059d78c46a07b6cc039f3d7739b33ffe4966ce23b015d48404844f7b37712f738d7f6c2d844350606445172492f6

Download Submit
memory/2536-94-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2536-120-0x0000000003C10000-0x0000000004076000-memory.dmp

Filesize
4.4MB

Download
memory/2536-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2536-89-0x0000000003C10000-0x0000000004076000-memory.dmp

Filesize
4.4MB

Download
memory/2676-97-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-112-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-90-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-132-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-129-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-100-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-103-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-106-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-109-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-91-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-113-0x0000000002BE0000-0x0000000002C82000-memory.dmp

Filesize
648KB

Download
memory/2676-119-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-126-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2676-123-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/3036-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3036-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3036-95-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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