socks5systemz | a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 13:31

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General

Target

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe
Size

5.3MB
MD5

be3eba3801eb2804cf73258e6d19cd47
SHA1

f822cec55c21da3c948dce6c8b279ed52f9a078f
SHA256

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535
SHA512

82172d11a7f0079431e69d08474660224f6249063b61acae11896db0111f45fa469ff45c59d019f7648b1db9e0e888e07593fdf5fbc30bad31dfbf7b0e5a25ec
SSDEEP

98304:CrLxj0VkMj/KybVwtqgM+n8FAADW+z6FlS7f0yWRUJBzrp6saaorvAQx/:ALxj0Jj/KybCMq+WE6FoT0yWRCzV6t9p

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2072-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmpudadvdfreeripper32.exeudadvdfreeripper32.exe

pid process

4428 a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
4848 udadvdfreeripper32.exe
2072 udadvdfreeripper32.exe
Loads dropped DLL 1 IoCs

Processes:

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

pid process

4428 a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

pid process

4428 a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

resource	yara_rule
behavioral2/memory/2072-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz

pid	process
4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
4848	udadvdfreeripper32.exe
2072	udadvdfreeripper32.exe

pid	process
4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exea22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp

description	pid	process	target process
PID 1484 wrote to memory of 4428	1484	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
PID 1484 wrote to memory of 4428	1484	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
PID 1484 wrote to memory of 4428	1484	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
PID 4428 wrote to memory of 4848	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe
PID 4428 wrote to memory of 4848	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe
PID 4428 wrote to memory of 4848	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe
PID 4428 wrote to memory of 2072	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe
PID 4428 wrote to memory of 2072	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe
PID 4428 wrote to memory of 2072	4428	a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp	udadvdfreeripper32.exe

C:\Users\Admin\AppData\Local\Temp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe
"C:\Users\Admin\AppData\Local\Temp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Local\Temp\is-DDG1H.tmp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
"C:\Users\Admin\AppData\Local\Temp\is-DDG1H.tmp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp" /SL5="$700D8,5296842,54272,C:\Users\Admin\AppData\Local\Temp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4428

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32.exe" -i
3⤵
- Executes dropped EXE
PID:4848

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32.exe" -s
3⤵
- Executes dropped EXE
PID:2072

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-96C8G.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DDG1H.tmp\a22d69c1fab2e83dcd896b87c6d1e93d5a042edbb94f219d9da43afba5a1d535.tmp
Filesize
680KB

MD5
1a1380c4b02af25c18ebceffe3e5b3c5

SHA1
2ed6c1f4eb1fafaf39a26865172b78f090c102c8

SHA256
fe67f0e9bb10cc46ff683a86c93b1439b81e566c43f1b77821e05ab4b9369717

SHA512
427b4104fe34464050fb195cef0db26e4081f2956a553f06c8fbf57aae0a85aee824fa14223023ec9ec3d3c1cf73418f0aadc7fbe1fb416cb1b23fd222291bd2

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32.exe
Filesize
4.0MB

MD5
2c107cbb4ae6ce7a8952880dacc59cc5

SHA1
15202a4bde6d7a2bbdc7fea0d7630050efc2d80b

SHA256
e46e0abab7205d6bb878e45c0f9145da4edbe7ae923af7b2d8b87bdc3856b501

SHA512
c9a2d90378fe895e11d883bdd2725d909b886a5e9625bb7a502953babf9f0ad5676509f4fd50bbc6f6caac0bb9a17de846779b892f0e0386ecbf79319ebe7bc2

Download Submit
memory/1484-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1484-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1484-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2072-95-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-98-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-116-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-67-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-68-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-113-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-110-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-71-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-74-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-75-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-78-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-81-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-84-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/2072-90-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-107-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-104-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/2072-101-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/4428-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4428-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4848-64-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/4848-59-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download
memory/4848-62-0x0000000000400000-0x000000000080B000-memory.dmp

Filesize
4.0MB

Download