socks5systemz | b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663

General

Target

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe
Size

4.4MB
MD5

50c802b1e6345cd8665c3fd4c4fa7ceb
SHA1

fbab3a6fffcafa02a1b2ef90273abb9926455170
SHA256

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663
SHA512

88b9a35648641bdc382e2aec27eaef7a56fef9808f28af8af03f7fb4b0895e19296a6d181b20bd7f5774c1f759dbf6f2ab3632060decc3d3f2c8f8a07cbc6e5d
SSDEEP

98304:myoSu22YSxeLaFcEb+Q7fNdsbOAxaL3DtN2pp2f+nR/CES2CoU:hoSu22YSx7GEb9jNdGxaL3Dapp2SjS2Q

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cejglwy.net

http://cejglwy.net/search/?q=67e28dd8655bf57a4609f84c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ed9d9e39

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/344-83-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmpmoonvideo2audio32.exemoonvideo2audio32.exe

pid process

4852 b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
4856 moonvideo2audio32.exe
344 moonvideo2audio32.exe
Loads dropped DLL 1 IoCs

Processes:

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

pid process

4852 b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.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 91.211.247.248
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:

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

pid process

4852 b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

pid	process
4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
4856	moonvideo2audio32.exe
344	moonvideo2audio32.exe

pid	process
4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exeb778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp

description	pid	process	target process
PID 5116 wrote to memory of 4852	5116	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
PID 5116 wrote to memory of 4852	5116	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
PID 5116 wrote to memory of 4852	5116	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
PID 4852 wrote to memory of 4856	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe
PID 4852 wrote to memory of 4856	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe
PID 4852 wrote to memory of 4856	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe
PID 4852 wrote to memory of 344	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe
PID 4852 wrote to memory of 344	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe
PID 4852 wrote to memory of 344	4852	b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp	moonvideo2audio32.exe

C:\Users\Admin\AppData\Local\Temp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe
"C:\Users\Admin\AppData\Local\Temp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5116

C:\Users\Admin\AppData\Local\Temp\is-6PN4I.tmp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
"C:\Users\Admin\AppData\Local\Temp\is-6PN4I.tmp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp" /SL5="$502FC,4400012,54272,C:\Users\Admin\AppData\Local\Temp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4852

C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
3⤵
- Executes dropped EXE
PID:4856

C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
3⤵
- Executes dropped EXE
PID:344

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\Moon VideoToAudio\moonvideo2audio32.exe
Filesize
2.3MB

MD5
f27223ae19b08f78186aadf978b1013a

SHA1
d86f85c6896fd932a6f946c203665bf6b0c9ac6f

SHA256
43425bfe1f056f497c9c540b97cc2fc9538adefdd101f70eae830409e87b0b25

SHA512
9a2239d98fea0b210a5923f332b04e87d03b6fb00d2aa8e10e65f7a3c4370e7dea88b00d423b59e483612de638852c9944d3671bb14e4b3ff47c2180d2925c93

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6PN4I.tmp\b778e209008c767594504da6da6561a1dbd2f29bb5e7af80c5c9aa01a4751663.tmp
Filesize
680KB

MD5
8ebef6645baa32451781267511737482

SHA1
2d8429a0137dbc67866dcb9faeb11eba1a2a617d

SHA256
205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

SHA512
ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

Download Submit
\Users\Admin\AppData\Local\Temp\is-3EFBO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/344-99-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-102-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-127-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-124-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-121-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-118-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-115-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-112-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-68-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-71-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-74-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-77-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-80-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-83-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/344-85-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-90-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-93-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-96-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-108-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/344-105-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4852-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4852-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4856-60-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4856-63-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4856-59-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5116-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5116-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5116-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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