socks5systemz | 6269c0afcf708d6b8bb3d7fa200009f6a177d60b6c5f9b174278dab56f716af1

Analysis

max time kernel
143s
max time network
129s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 06:46

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General

Target

1decbe120e5beaff817bc6dd186e2013.exe
Size

4.6MB
MD5

1decbe120e5beaff817bc6dd186e2013
SHA1

4cbcb2ad2f50862b0910a036dd2fd12aa4a23f50
SHA256

6269c0afcf708d6b8bb3d7fa200009f6a177d60b6c5f9b174278dab56f716af1
SHA512

53f3ed6987f25a7e3aab470adb10df0a9408a4e5541c53a979761414a3fc2ec35cd3432927d30b60b9616c5e0472a5078222a163a96b5a620d247f4a8f5a830f
SSDEEP

98304:Ni/pvA3Q7kcOH1+TnUcumzJip7MDUzVm+3VvNppfc0ufQF3EMUc3Qq518SKH68S8:U/pv0ek5+7UVHoDUN3V5fc0wm0ZcgqwH

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2700-163-0x0000000002B40000-0x0000000002BE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2700-160-0x0000000002B40000-0x0000000002BE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2700-170-0x0000000002B40000-0x0000000002BE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2700-184-0x0000000002B40000-0x0000000002BE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2700-183-0x0000000002B40000-0x0000000002BE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3036	is-E9B4Q.tmp
1372	imaptestplugin.exe
2700	imaptestplugin.exe

Loads dropped DLL 10 IoCs

pid	Process
2932	1decbe120e5beaff817bc6dd186e2013.exe
3036	is-E9B4Q.tmp
3036	is-E9B4Q.tmp
3036	is-E9B4Q.tmp
3036	is-E9B4Q.tmp
1372	imaptestplugin.exe
1372	imaptestplugin.exe
3036	is-E9B4Q.tmp
2700	imaptestplugin.exe
2700	imaptestplugin.exe

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	45.155.250.90

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
Runs net.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 2932 wrote to memory of 3036	2932	1decbe120e5beaff817bc6dd186e2013.exe	17
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1108	3036	is-E9B4Q.tmp	26
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 3036 wrote to memory of 1372	3036	is-E9B4Q.tmp	24
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 1108 wrote to memory of 2868	1108	net.exe	23
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33
PID 3036 wrote to memory of 2700	3036	is-E9B4Q.tmp	33

C:\Users\Admin\AppData\Local\Temp\1decbe120e5beaff817bc6dd186e2013.exe
"C:\Users\Admin\AppData\Local\Temp\1decbe120e5beaff817bc6dd186e2013.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\is-VTN99.tmp\is-E9B4Q.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VTN99.tmp\is-E9B4Q.tmp" /SL4 $3012C "C:\Users\Admin\AppData\Local\Temp\1decbe120e5beaff817bc6dd186e2013.exe" 4639228 431616
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe
    "C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1372
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 1111
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1108
- - C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe
    "C:\Users\Admin\AppData\Local\IMAP test plugin\imaptestplugin.exe" -s
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2700

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 helpmsg 1111
1⤵
PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-VTN99.tmp\is-E9B4Q.tmp

Filesize
92KB

MD5
0186461547d0bba32e1fe0b8b33f0895

SHA1
8fafd9dfff35b3b31a64b79729ed92d0a01044f3

SHA256
c470f414af61f873405e96fa11e602cf31c3f45dfc7858fd0b1fb83cb2ca5348

SHA512
7c11f6651ad15747577e13763690d6c06d9104e83929bc2a4ae454e8fbbd9226ff5ac296946929c16aeec27d12b779f7f35eac7930f45c5e6c1b1216b70b6787

Download Submit
\Users\Admin\AppData\Local\Temp\is-VTN99.tmp\is-E9B4Q.tmp

Filesize
381KB

MD5
34e180b2a41488bd877c4a573ea58568

SHA1
6bd3ea4c79cc8a6cd1b969edff332be13500a969

SHA256
70bfb56e6cf15d2b21bd83f9bd77990fc4678a639a47b0d717470c25146b8bbe

SHA512
1e6146d025dafaece40c5a25b846e6970afce8f031d6459f0ac1d0dee69af18d69e76eb8ac59463be33f62e59e21ad5d7f35e9034a098592f13df6065efdec14

Download Submit
memory/1372-127-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1372-125-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1372-128-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1372-122-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1372-123-0x0000000000C50000-0x0000000000E58000-memory.dmp

Filesize
2.0MB

Download
memory/1372-124-0x0000000000C50000-0x0000000000E58000-memory.dmp

Filesize
2.0MB

Download
memory/2700-146-0x0000000000F40000-0x0000000001148000-memory.dmp

Filesize
2.0MB

Download
memory/2700-170-0x0000000002B40000-0x0000000002BE2000-memory.dmp

Filesize
648KB

Download
memory/2700-135-0x0000000000F40000-0x0000000001148000-memory.dmp

Filesize
2.0MB

Download
memory/2700-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-191-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-188-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-137-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-183-0x0000000002B40000-0x0000000002BE2000-memory.dmp

Filesize
648KB

Download
memory/2700-184-0x0000000002B40000-0x0000000002BE2000-memory.dmp

Filesize
648KB

Download
memory/2700-141-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-143-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-182-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-145-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-147-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-150-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-153-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-156-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-159-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-163-0x0000000002B40000-0x0000000002BE2000-memory.dmp

Filesize
648KB

Download
memory/2700-160-0x0000000002B40000-0x0000000002BE2000-memory.dmp

Filesize
648KB

Download
memory/2700-166-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-169-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-134-0x0000000000F40000-0x0000000001148000-memory.dmp

Filesize
2.0MB

Download
memory/2700-173-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-176-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2700-179-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2932-0-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2932-138-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2932-2-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3036-140-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/3036-118-0x0000000003A90000-0x0000000003C98000-memory.dmp

Filesize
2.0MB

Download