socks5systemz | 30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51

General

Target

30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe
Size

5.1MB
MD5

5776a77a77c6b6c0d1b26d1913759d4d
SHA1

49dda19e7c8bd74137c11357e93ff113043048e9
SHA256

30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51
SHA512

8757d1a6ec2a08a43e6001afe7142612653b0d21a2271957fac9a2025e01a3e91f5354e64d3a736122f141ba4273a70e9b5816acb067062b7fe9314dfb7e752b
SSDEEP

98304:Cfoscxus9X806xRIkMhqt/3+kOTIvmpvulGYrtCEPieuU5X/5aQx2Yy:CcV9X806TIHhw/3vOt0JieZt5aQAYy

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1396-87-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp
1120	3gpvideoconverter32_64.exe
1396	3gpvideoconverter32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.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	141.98.234.31

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3692	1444	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe	80
PID 1444 wrote to memory of 3692	1444	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe	80
PID 1444 wrote to memory of 3692	1444	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe	80
PID 3692 wrote to memory of 1120	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	81
PID 3692 wrote to memory of 1120	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	81
PID 3692 wrote to memory of 1120	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	81
PID 3692 wrote to memory of 1396	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	82
PID 3692 wrote to memory of 1396	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	82
PID 3692 wrote to memory of 1396	3692	30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp	82

C:\Users\Admin\AppData\Local\Temp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe
"C:\Users\Admin\AppData\Local\Temp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\is-IUSG7.tmp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IUSG7.tmp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp" /SL5="$50102,5073005,54272,C:\Users\Admin\AppData\Local\Temp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32_64.exe
    "C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1120
- - C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32_64.exe
    "C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1396

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 Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32_64.exe

Filesize
3.6MB

MD5
9e91e417114f55231639b78e024b6b14

SHA1
37ebf598ea5f5e02c611c5b7b88916a2db165c0d

SHA256
b6a51657787f60f7ea75aadabd27294417bc5d04aa82bc8252eae8a77bd057d9

SHA512
ec9bcd239b341bdb932c7e931523ad94b358c03d19540590758ed24c3f1a4694b9a7451dd8f522a264adce18824d04015fea77311be5288a7576b79f3b1fee2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IUSG7.tmp\30abf453e1b9281c55e51494b66bf2b31d3c2269c7308cb89200995ee24f1e51.tmp

Filesize
680KB

MD5
2a166cf3f79bcdcd09875b6471f465c4

SHA1
cc784af9f1a9ecfd75194c1ed7d6123aecf4d96e

SHA256
ab5cd059d2aea8797684ef8d084e595d990c0940ddf28d7af5d35667fec34961

SHA512
9f3706f79ddd40501b5d63db893ad63086b20be8e5f53ba6a80fad3dc5904eba9711898fd8f7e1b576874a676d4de3a3f257dbe1328f2720fd70aac13a5d46c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UU538.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1120-61-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1120-65-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1120-63-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1120-60-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-74-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-84-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-115-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-68-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-112-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-109-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-71-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-106-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-75-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-78-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-81-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-103-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-87-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/1396-89-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-94-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-97-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1396-100-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1444-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1444-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1444-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3692-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3692-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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