socks5systemz | 297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1

General

Target

297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe
Size

6.0MB
MD5

b88b48c633e81af39d3d2648252ea459
SHA1

96b8b94231ea1b3e03c2f61d2050c4c8d68fd66e
SHA256

297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1
SHA512

0565fb2693c1baf6d03d02213b4b7d8181d6fb4371ad8675f298db8554a6c2ae2a39f0ba077ca3fa692f82cef4991b906ddbb00b6b3d93eff610315fc667da89
SSDEEP

98304:45r8uk9NpZTGKHPp+/Vb70ajIWx/j4cWkzjQ9X8wAF8oYT25Y56Fn4l+VqJBk2/w:CSblvp+JH/jHNI9u8fS/Fn4hLk2QW0

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1648-113-0x0000000002C40000-0x0000000002CE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
1648	EasyCutStudio833.exe

Loads dropped DLL 5 IoCs

pid	Process
2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.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	152.89.198.214

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	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.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
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2536 wrote to memory of 2444	2536	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe	30
PID 2444 wrote to memory of 2308	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	31
PID 2444 wrote to memory of 2308	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	31
PID 2444 wrote to memory of 2308	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	31
PID 2444 wrote to memory of 2308	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	31
PID 2444 wrote to memory of 1648	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	33
PID 2444 wrote to memory of 1648	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	33
PID 2444 wrote to memory of 1648	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	33
PID 2444 wrote to memory of 1648	2444	297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp	33
PID 2308 wrote to memory of 272	2308	net.exe	34
PID 2308 wrote to memory of 272	2308	net.exe	34
PID 2308 wrote to memory of 272	2308	net.exe	34
PID 2308 wrote to memory of 272	2308	net.exe	34

C:\Users\Admin\AppData\Local\Temp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe
"C:\Users\Admin\AppData\Local\Temp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\is-LQUKP.tmp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-LQUKP.tmp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp" /SL5="$50148,6009438,56832,C:\Users\Admin\AppData\Local\Temp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.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:2444
- - 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:2308
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause easy_cut_studio_833
      4⤵
      System Location Discovery: System Language Discovery
      PID:272
- - 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:1648

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
b4d4729005d05149ca66d17ec47d53a2

SHA1
45331404c33b04a2396ad7ff8bfbe3c342418198

SHA256
d191548ac273201c586810df95f3d24f3685a9882895504275146503e91c8625

SHA512
f83b2e92fb01dfe1000ea742e6379d95a6c41a9fa5da554b7bd3e3d24ddea92b9050f92527fb4178328517a1fe99f0de18bb54841d88c6cc2a3ff3645faa6f3d

Download Submit
\Users\Admin\AppData\Local\Temp\is-LQUKP.tmp\297a91ebbc465c83ca8cc8785a1aa080111c26bb509f299f57394c70b0cb68f1.tmp

Filesize
692KB

MD5
86b50d6c12f35c64058b78b3a13407e6

SHA1
81a18229d03f50266ef608c45c7d15e2b0e4552b

SHA256
64f6d310df4b114ac5920e3cb1fc4d2debcb6b2d907a466a16ed64950c844e40

SHA512
8fb101f7a4f47ef404b62f069f7fdeb23eab9ea3ce13f240afa8c988c774048eae2aaf065ccbb59dcb5ca64e3f9195ff99bce00455ddc7d276e357bd4f8a14d1

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1648-132-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-100-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-142-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-135-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-90-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-91-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-126-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-129-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-97-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-139-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-103-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-106-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-109-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-112-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-113-0x0000000002C40000-0x0000000002CE2000-memory.dmp

Filesize
648KB

Download
memory/1648-119-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1648-122-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/2444-88-0x0000000003390000-0x00000000037F6000-memory.dmp

Filesize
4.4MB

Download
memory/2444-123-0x0000000003390000-0x00000000037F6000-memory.dmp

Filesize
4.4MB

Download
memory/2444-94-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2444-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2536-95-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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