socks5systemz | 90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92

General

Target

90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe
Size

4.9MB
MD5

ddcf59728108d38fb303fb022f9970db
SHA1

05833e4e64d25d759356c553e49b0622c5c032ce
SHA256

90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92
SHA512

4f3fe5d949cdc88e7947eedd3a4ed07f2ab38878e6af36d21aed0e001e011668144efc799734b81bd2594acf5ef06510d398f190b4ceb6cd689d3462cec15e81
SSDEEP

98304:d4O0B34b9aiUeABwkUIkGcwxpc6hDTJanptszW6d1YX76yDJq39JMPt3HKqRDbi7:do4b9tkLkIxpcKHe/s6aY1DU39JMPt3Q

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ddwwios.info/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa15c6ef929b32

http://ddwwios.info/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12eab517aa5c96bd86ef90874e835a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee909e3dcd68971f

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/3532-94-0x00000000027C0000-0x0000000002862000-memory.dmp	family_socks5systemz
behavioral1/memory/3532-119-0x00000000027C0000-0x0000000002862000-memory.dmp	family_socks5systemz
behavioral1/memory/3532-118-0x00000000027C0000-0x0000000002862000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp
4828	keratodjprof.exe
3532	keratodjprof.exe

Loads dropped DLL 3 IoCs

pid	Process
3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp
3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp
3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3192	4756	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe	83
PID 4756 wrote to memory of 3192	4756	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe	83
PID 4756 wrote to memory of 3192	4756	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe	83
PID 3192 wrote to memory of 4828	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	87
PID 3192 wrote to memory of 4828	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	87
PID 3192 wrote to memory of 4828	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	87
PID 3192 wrote to memory of 3532	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	88
PID 3192 wrote to memory of 3532	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	88
PID 3192 wrote to memory of 3532	3192	90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp	88

C:\Users\Admin\AppData\Local\Temp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe
"C:\Users\Admin\AppData\Local\Temp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\is-DOVJ6.tmp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DOVJ6.tmp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp" /SL5="$F0070,4913439,54272,C:\Users\Admin\AppData\Local\Temp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3192
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4828
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe

Filesize
2.0MB

MD5
244247740bfb3c975c239eb58ac8916b

SHA1
b5874aac0a9eb8b9bb0ea69971959ddd3abb574b

SHA256
7f35a2073d78c7e8500f36c6083e0efd29ae40e5ead4967e235c6417745d5c2d

SHA512
ef5d5d4d378afb826a8c0e7335d949fbb0806ff6bdfe3e5d17937439e2977f67de204c2d42927fa3e692e2679f833e2df20d451757f6642785692b503cde844b

Download Submit
C:\Users\Admin\AppData\Local\Kerato DJ Prof\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2GU0D.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2GU0D.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
c948b46ea1eb5757ecf75404571c31ce

SHA1
6665b8d48fea3538c7e043b7ab700778d86307a3

SHA256
3c5b63d61e00f30790c7df0f048473cb04d17e175d8177e86c7cf5062dcaad24

SHA512
6b326b34c8142ef2b75df7f83aed11400a86d19806730bab0515ccfcd6eb2ef71d6db707dbd48d8f1f8ff9e3eb6626af80d38394ebaf2742ef3df0d0ebe4f256

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DOVJ6.tmp\90c51aad43aef7e4266b29e2d6141ff877a74c1382cfb405e936cfb80a6b4f92.tmp

Filesize
696KB

MD5
ccee95cec1c0cfdb1e7ac88d545cca4f

SHA1
2821f4882e07236208b84bc6992677abbb0a8015

SHA256
a6616aae0d88eac34ce29b885526e8e3f4c7ac257ded1e59394c624787187875

SHA512
1b79e9d17183d14aafef7a7484728d517d3a1540797fc2a02d3b793be815b1d662e7f94b18b2ee9d03dd89d13f0a4df72d23cbe1e6441fe2a4c69b6728e27d14

Download Submit
memory/3192-77-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3192-13-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3532-105-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-111-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-126-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-123-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-75-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-118-0x00000000027C0000-0x0000000002862000-memory.dmp

Filesize
648KB

Download
memory/3532-119-0x00000000027C0000-0x0000000002862000-memory.dmp

Filesize
648KB

Download
memory/3532-117-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-78-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-81-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-114-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-85-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-88-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-91-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-94-0x00000000027C0000-0x0000000002862000-memory.dmp

Filesize
648KB

Download
memory/3532-96-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-102-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/3532-108-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/4756-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4756-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4756-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4828-66-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/4828-82-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/4828-65-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/4828-70-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download
memory/4828-72-0x0000000000400000-0x0000000000600000-memory.dmp

Filesize
2.0MB

Download

Analysis

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