socks5systemz | acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33

General

Target

acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe
Size

5.8MB
MD5

a67787ccfe25160405bc0ab5d4500991
SHA1

e6e36e72aec5d78f338a7b930da15f0653d422a4
SHA256

acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33
SHA512

45418742319bdb05522f2803c993a5c5ec4f411930f8c191e5c8bfb370bb5880f4ac46dc47dbdb6d6570e6241adece8d35a41ba6482d764e328c156f4e9edd20
SSDEEP

98304:4Lcqx9HgHcCqmAmticT3WlkXELOP7+B4mDD6vIHYMiuyj8hT0gux5nldeWWO:AcvcCqyicDXEgyBTP6vIzFwgux5Pl

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2836-109-0x0000000002B00000-0x0000000002BA2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
2836	cutmovie32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.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	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cutmovie32_64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1960 wrote to memory of 1324	1960	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe	30
PID 1324 wrote to memory of 2688	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	31
PID 1324 wrote to memory of 2688	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	31
PID 1324 wrote to memory of 2688	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	31
PID 1324 wrote to memory of 2688	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	31
PID 1324 wrote to memory of 2836	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	33
PID 1324 wrote to memory of 2836	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	33
PID 1324 wrote to memory of 2836	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	33
PID 1324 wrote to memory of 2836	1324	acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp	33
PID 2688 wrote to memory of 2152	2688	net.exe	34
PID 2688 wrote to memory of 2152	2688	net.exe	34
PID 2688 wrote to memory of 2152	2688	net.exe	34
PID 2688 wrote to memory of 2152	2688	net.exe	34

C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe
"C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\is-A58UV.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-A58UV.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp" /SL5="$30144,5848564,56832,C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.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:1324
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause cut_movie_1174
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause cut_movie_1174
      4⤵
      System Location Discovery: System Language Discovery
      PID:2152
- - C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe
    "C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2836

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\Cut Movie 19.3.35\cutmovie32_64.exe

Filesize
3.5MB

MD5
6de49d882ae5446c78aacafe53d3eb19

SHA1
2a72184e0f2a6e1d65d0ab401ed2b5b30d6303bd

SHA256
4202a8379cdec28d21738f6dd9d6a021b8b0594cb4fe13f36db15a245d9fa787

SHA512
8c68ce742ce223807b16bb5386301f7aae2ecc655d4b52b61119342488196ed22bc64502571604becff49d1ed4907958c634d6d0e3d0e52f2b5c8d51862e2456

Download Submit
\Users\Admin\AppData\Local\Temp\is-A58UV.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp

Filesize
692KB

MD5
d0d63b09c26cee96b11064f7f3263532

SHA1
2c433032eb9fe45d02e0a2a9763cf864f990728e

SHA256
b806f353aa23f4ce0dbd4fe662b1634c17b7796e39995b2e78590f15a5cec60d

SHA512
f4d5fb1814788dfba218e1ef42e740cf22f5de54302c07ea3a56dcbf2b8dcd89766e51b47d62d1f98181332f2675079a475ba0816b39f8c51daf6c0d72c35779

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1324-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1324-84-0x0000000003BE0000-0x0000000003F66000-memory.dmp

Filesize
3.5MB

Download
memory/1324-119-0x0000000003BE0000-0x0000000003F66000-memory.dmp

Filesize
3.5MB

Download
memory/1324-90-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1960-91-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2836-86-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-118-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-96-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-99-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-102-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-105-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-108-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-109-0x0000000002B00000-0x0000000002BA2000-memory.dmp

Filesize
648KB

Download
memory/2836-115-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-93-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-87-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-122-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-125-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-128-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-131-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-135-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2836-138-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download

Analysis

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