socks5systemz | 28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4

General

Target

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe
Size

4.5MB
MD5

797c98bb6f7c01e7bcac1f029bd9b8c8
SHA1

863c074c36ddd6fa91d9c2cdcb7b779750f29f5c
SHA256

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4
SHA512

5f7137e2cb5b033e3590882394461897703a9ab82a3d4bbe47c3d11f055f1200d627d08a8aa567faa397b11cd6209c31436328f90a5c9b390e01ec371e863e33
SSDEEP

98304:m5f0ez0hCRHoKh0oUvpPZmiY8B5zmnOU+uUkD+t2bRj/Y+RqZ5:Q0A0hCRHXrUdZm3W5zmnS4VjAqqP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aqzaouj.ru

http://aqzaouj.ru/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff718c9ea979e3d

http://aqzaouj.ru/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9332c86d9210

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/5024-85-0x0000000002460000-0x0000000002502000-memory.dmp	family_socks5systemz
behavioral1/memory/5024-112-0x0000000002460000-0x0000000002502000-memory.dmp	family_socks5systemz
behavioral1/memory/5024-111-0x0000000002460000-0x0000000002502000-memory.dmp	family_socks5systemz

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

Processes:

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmpdibelius32_64.exedibelius32_64.exe

pid process

4188 28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
1112 dibelius32_64.exe
5024 dibelius32_64.exe
Loads dropped DLL 1 IoCs

Processes:

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

pid process

4188 28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.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:

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

pid process

4188 28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

pid	process
4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
1112	dibelius32_64.exe
5024	dibelius32_64.exe

pid	process
4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp

description	pid	process	target process
PID 2936 wrote to memory of 4188	2936	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
PID 2936 wrote to memory of 4188	2936	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
PID 2936 wrote to memory of 4188	2936	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
PID 4188 wrote to memory of 1112	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe
PID 4188 wrote to memory of 1112	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe
PID 4188 wrote to memory of 1112	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe
PID 4188 wrote to memory of 5024	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe
PID 4188 wrote to memory of 5024	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe
PID 4188 wrote to memory of 5024	4188	28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp	dibelius32_64.exe

C:\Users\Admin\AppData\Local\Temp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe
"C:\Users\Admin\AppData\Local\Temp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\Temp\is-I5S9P.tmp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-I5S9P.tmp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp" /SL5="$A0028,4512547,54272,C:\Users\Admin\AppData\Local\Temp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4188

C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe
"C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -i
3⤵
- Executes dropped EXE
PID:1112

C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe
"C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -s
3⤵
- Executes dropped EXE
PID:5024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4204,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe
Filesize
2.6MB

MD5
a039fdc9492cb9dbb6d65b795065221f

SHA1
6e4387b6d8eaec09fa59200d0256a46e69e161d7

SHA256
1d362451b122c2c4b35e29edd884059399895445e994f24380f8aa150f5757d1

SHA512
13b54727a7d55d37f362e2a07cce0fd3af7b2dbe3241def92a8ffb45d9dce56524fccd15de32c54d034847a86941989d04b3b513be392c2ab06c0449d55cb4a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3P5M7.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I5S9P.tmp\28ccb0eebef6ea17391a29a0ae3b40352f3abe6b422445da493f85c09c53a8b4.tmp
Filesize
680KB

MD5
2d5b9e85585b5ce746e66ba8dbb5d7de

SHA1
0849a49147efdc9c383e37fece409430afa94767

SHA256
f5f988a8820b25ebd0cc05cf9a2e198174d9705467be9d916127df00570ad8d2

SHA512
c5aa0ad977f738114545109c46868e78246cc3b54a816cb96a8d156d394825fe4e0e3434bba6cf55d6b2a21ae298b4a56d459d0e502982343dd838537676378b

Download Submit
memory/1112-59-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1112-60-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1112-65-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/1112-63-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2936-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2936-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2936-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4188-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4188-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5024-74-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-95-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-68-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-75-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-78-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-81-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-84-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-85-0x0000000002460000-0x0000000002502000-memory.dmp

Filesize
648KB

Download
memory/5024-90-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-71-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-98-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-101-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-104-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-107-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-110-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-112-0x0000000002460000-0x0000000002502000-memory.dmp

Filesize
648KB

Download
memory/5024-111-0x0000000002460000-0x0000000002502000-memory.dmp

Filesize
648KB

Download
memory/5024-116-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/5024-119-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download

Analysis

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