socks5systemz | 1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992

General

Target

1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe
Size

5.9MB
MD5

756e67db5ad879a1a225df716b3e380b
SHA1

25659dea8b54c8680b38f5f78f2ea9b956aa2020
SHA256

1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992
SHA512

87401ece2c84224842f2877315d0cecff89eb562f7aeb8f558bd1f574f3bdadbfbb8844966617b795d2aa892d069264f8ef71087082cb340902c65480a01de72
SSDEEP

98304:44pRM/WvdCKRLFqB6UyjPiQVXmzdGhIE4dMfeLn3LRiIgzjYcxL2ymL+8AZbO1V1:5pR4WvzUyjPiYWzdldLL7ezjNbm+ZbOd

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3692-104-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp
3692	videopresentmaker32.exe

Loads dropped DLL 1 IoCs

pid	Process
4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.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	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videopresentmaker32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp
4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 4940	4156	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe	85
PID 4156 wrote to memory of 4940	4156	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe	85
PID 4156 wrote to memory of 4940	4156	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe	85
PID 4940 wrote to memory of 1800	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	88
PID 4940 wrote to memory of 1800	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	88
PID 4940 wrote to memory of 1800	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	88
PID 4940 wrote to memory of 3692	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	89
PID 4940 wrote to memory of 3692	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	89
PID 4940 wrote to memory of 3692	4940	1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp	89
PID 1800 wrote to memory of 1616	1800	net.exe	91
PID 1800 wrote to memory of 1616	1800	net.exe	91
PID 1800 wrote to memory of 1616	1800	net.exe	91

C:\Users\Admin\AppData\Local\Temp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe
"C:\Users\Admin\AppData\Local\Temp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Users\Admin\AppData\Local\Temp\is-ES87V.tmp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ES87V.tmp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp" /SL5="$10004A,5897327,56832,C:\Users\Admin\AppData\Local\Temp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.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:4940
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause video_presentations_maker_11102
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1800
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause video_presentations_maker_11102
      4⤵
      System Location Discovery: System Language Discovery
      PID:1616
- - C:\Users\Admin\AppData\Local\Video Presentations Maker 17.1.3.39\videopresentmaker32.exe
    "C:\Users\Admin\AppData\Local\Video Presentations Maker 17.1.3.39\videopresentmaker32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3692

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\Temp\is-ES87V.tmp\1bb8bba64c918c6a852ff2aeb29abb2e10e021bc029993d1e797141f7d94d992.tmp

Filesize
692KB

MD5
b93817eb31f0f5f71952067647db7448

SHA1
3c4b6d069277e0edbdd48d5a1d55805891bbdba2

SHA256
da9c41fdcc12a13b6c7f5e1c5bd907aae904fdb0107d71fe0633f6818ccc241d

SHA512
a1dd6129a4db4a86712126ecfd0d3d0d0ca0bf338503330367b582566f41f445de4095f237c41ac18a6be3a9c124aa8d22e4484cc8f5236ccbf9db7c46f623e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QRGR0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Video Presentations Maker 17.1.3.39\videopresentmaker32.exe

Filesize
3.4MB

MD5
725a0065ea38850e3861e68f2f5c45a8

SHA1
381a837fcba5006966ec46fc259f049bd53d464e

SHA256
d54b22318698b7d7e334aa25afb7c557a6b435c9425ce74fe54a834193f943bf

SHA512
0b0a508fecc2616318050526aa1bdc5a49197f5bfd6dbf44e7c0db8d3e10a87adecd9b0e5ae6568a7fee9947dcaa639968418505ae18387316fbdbe18f30aadc

Download Submit
memory/3692-88-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-111-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-125-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-80-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-81-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-83-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-122-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-119-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-87-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-116-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-91-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-94-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-97-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-100-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-104-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/3692-105-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-115-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3692-112-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/4156-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-85-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4940-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4940-84-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

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