socks5systemz | d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83

General

Target

d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe
Size

5.9MB
MD5

10b6199866daaa3e9e83026a333076d6
SHA1

aca46e8abcb00ceca3719251660f1d42773b6a2f
SHA256

d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83
SHA512

f95b539518035059420a7c1e04dd4c71de94aef3db88ecf689494a361708c53cf679a4488d5bd79d1af09dce0556881551520f309d18dad3952136c52bd3c8c1
SSDEEP

98304:4YVZGK7YvOwWy0xfgz625eR+mzmRFRXIONzvJ/ByTIXlyYwXJcebJ9RnNdLiJNK:pjF7YS9fi55jm4zzhYTI3wZNbzRbL24

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1036-113-0x0000000002AE0000-0x0000000002B82000-memory.dmp	family_socks5systemz
behavioral1/memory/1036-137-0x0000000002AE0000-0x0000000002B82000-memory.dmp	family_socks5systemz
behavioral1/memory/1036-138-0x0000000002AE0000-0x0000000002B82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
1036	cutmovie.exe

Loads dropped DLL 5 IoCs

pid	Process
2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.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	91.211.247.248

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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cutmovie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2796 wrote to memory of 2876	2796	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe	30
PID 2876 wrote to memory of 1196	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	31
PID 2876 wrote to memory of 1196	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	31
PID 2876 wrote to memory of 1196	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	31
PID 2876 wrote to memory of 1196	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	31
PID 2876 wrote to memory of 1036	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	33
PID 2876 wrote to memory of 1036	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	33
PID 2876 wrote to memory of 1036	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	33
PID 2876 wrote to memory of 1036	2876	d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp	33
PID 1196 wrote to memory of 912	1196	net.exe	34
PID 1196 wrote to memory of 912	1196	net.exe	34
PID 1196 wrote to memory of 912	1196	net.exe	34
PID 1196 wrote to memory of 912	1196	net.exe	34

C:\Users\Admin\AppData\Local\Temp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe
"C:\Users\Admin\AppData\Local\Temp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\is-TD2PA.tmp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-TD2PA.tmp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp" /SL5="$60150,5938265,56832,C:\Users\Admin\AppData\Local\Temp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.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:2876
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause cut_movie_1171
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1196
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause cut_movie_1171
      4⤵
      System Location Discovery: System Language Discovery
      PID:912
- - C:\Users\Admin\AppData\Local\Cut Movie 2022.2.01\cutmovie.exe
    "C:\Users\Admin\AppData\Local\Cut Movie 2022.2.01\cutmovie.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1036

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 2022.2.01\cutmovie.exe

Filesize
3.8MB

MD5
f5499dc31cca5d3adeb03d8cb45bc0d0

SHA1
00d8970ff79ced9e613bb0ee466811916af68ac1

SHA256
6b520bb44995037e511c3ecc9d3c730b402f2036dcc454487fdbe00ba53acf94

SHA512
f47d0c2abffc505e5a60d8b53f66ef7afdf1631187fc71d99b89dee2dbc6b9864e9028f5a095205c020eb96f9988c9b06c379f98fba6b089a1ffb8ee3c90dbc2

Download Submit
\Users\Admin\AppData\Local\Temp\is-REO0S.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-REO0S.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-TD2PA.tmp\d713bb99ac14f5efb9d3fb50451433b6fbf898d97e62ae836259520d6b43ee83.tmp

Filesize
692KB

MD5
9b917250338391dde5e0f3ae7772f8f2

SHA1
75ff042d1da4f41784559c971d7b75afdeaedf4c

SHA256
8a8897d23083d7f3f5fdcb3812a23b5daa73dd21c853a315ad4bda64412697f8

SHA512
1197e613c3895233f5b1a0595c42d3ae91849858f38e4fcefbd3dda20db600f91e0b10b023a03e95b5494e10289b493be8ef899e4af880896504bf14eaccdbb1

Download Submit
memory/1036-103-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-129-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-144-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-90-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-141-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-91-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-138-0x0000000002AE0000-0x0000000002B82000-memory.dmp

Filesize
648KB

Download
memory/1036-137-0x0000000002AE0000-0x0000000002B82000-memory.dmp

Filesize
648KB

Download
memory/1036-97-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-100-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-135-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-106-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-109-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-112-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-113-0x0000000002AE0000-0x0000000002B82000-memory.dmp

Filesize
648KB

Download
memory/1036-119-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-132-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-123-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/1036-126-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2796-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2796-95-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2796-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2876-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2876-122-0x0000000005100000-0x00000000054DB000-memory.dmp

Filesize
3.9MB

Download
memory/2876-94-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2876-89-0x0000000005100000-0x00000000054DB000-memory.dmp

Filesize
3.9MB

Download

Analysis

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