socks5systemz | 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172

General

Target

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
Size

4.5MB
MD5

bdf942b5db3400fcd080e65c010da2eb
SHA1

4602389c8ce2946d4995d3f8870487d36273017b
SHA256

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172
SHA512

d521f0dc0a7631f8631d34b7a66390897a3dfe0e6a5217d7a75fc3b7515131b215b495fc90b2585ba92a6b7051a473a0e1f135bf73191cf7ffd4dcb4ab28c0c0
SSDEEP

98304:mn9nw0s0pmpQNds2Ra/u6ZWR/8pXDLJEd2UW18dh27fB65:Yw0spO6X26ZA8pXDGk18d/5

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aindbdn.ru

http://aindbdn.ru/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee919d3d

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3476-82-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz

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

Processes:

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmpmoonvideo2audio32.exemoonvideo2audio32.exe

pid process

4624 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
1316 moonvideo2audio32.exe
3476 moonvideo2audio32.exe
Loads dropped DLL 1 IoCs

Processes:

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

pid process

4624 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.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 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

Processes:

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

pid process

4624 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

pid	process
4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
1316	moonvideo2audio32.exe
3476	moonvideo2audio32.exe

pid	process
4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

description	pid	process	target process
PID 5036 wrote to memory of 4624	5036	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
PID 5036 wrote to memory of 4624	5036	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
PID 5036 wrote to memory of 4624	5036	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
PID 4624 wrote to memory of 1316	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe
PID 4624 wrote to memory of 1316	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe
PID 4624 wrote to memory of 1316	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe
PID 4624 wrote to memory of 3476	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe
PID 4624 wrote to memory of 3476	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe
PID 4624 wrote to memory of 3476	4624	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	moonvideo2audio32.exe

C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
"C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5036

C:\Users\Admin\AppData\Local\Temp\is-MVKOU.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
"C:\Users\Admin\AppData\Local\Temp\is-MVKOU.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp" /SL5="$600CA,4441808,54272,C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4624

C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
3⤵
- Executes dropped EXE
PID:1316

C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
3⤵
- Executes dropped EXE
PID:3476

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
d321cd856bf54fb6c2c9180938a5ad91

SHA1
393a99e054e5058616bbe23123c0804b88c7224e

SHA256
77601281a4839d212b6ba2276e46ae9dbd01fd9524ec72fbd170c65f847cb16b

SHA512
03adc920b4ec7d1fc7715cb0dbf8d21f2fcc39241f168d3f15ed4fa95579ca2dde9a2f2ab21560740999d9e4323c4ae0dce448f5b6e8dcf89de6ca2868ee6418

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MVKOU.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
Filesize
680KB

MD5
8ebef6645baa32451781267511737482

SHA1
2d8429a0137dbc67866dcb9faeb11eba1a2a617d

SHA256
205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

SHA512
ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

Download Submit
\Users\Admin\AppData\Local\Temp\is-2QL3T.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1316-59-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1316-63-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1316-60-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-77-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-93-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-129-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-124-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-121-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-68-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-71-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-74-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-118-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-80-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-82-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/3476-85-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-90-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-115-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-96-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-99-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-102-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-105-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-109-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3476-112-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4624-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4624-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5036-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5036-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5036-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

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