socks5systemz | 4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160

General

Target

4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe
Size

4.0MB
MD5

98ac7d857826eb68aaed76cbfb87a03f
SHA1

e8a28f041dea4b919ac1d56f532f3815aaed4dc4
SHA256

4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160
SHA512

8c109877099ddb4b74e017d6d9c62e5f011dc0a78d13b8b5fa484e0068c3f8e019037a974844506a3d3d734a87ef39efe4778a30b4cc05f263df2f60d32432be
SSDEEP

98304:CaqUxEDvOAiTPceXRAohZKXnzYctFMlgVSXU0uvcKILqQxE:xjxETOAi7c0GNNtzVSk0s5QG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bddpbkz.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd17c2ea92993b

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3764-69-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/3764-79-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 19 IoCs

resource	yara_rule
behavioral2/memory/3956-40-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3956-42-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3956-44-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-48-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-51-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-55-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-56-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-59-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-62-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-65-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-68-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-75-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-78-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-82-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-85-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-88-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-91-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-95-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3764-98-0x0000000000400000-0x00000000006E0000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

pid	Process
4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp
3956	soundvolume.exe
3764	soundvolume.exe

Loads dropped DLL 1 IoCs

pid	Process
4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp

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	152.89.198.214

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

pid	Process
4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4812	3784	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe	87
PID 3784 wrote to memory of 4812	3784	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe	87
PID 3784 wrote to memory of 4812	3784	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe	87
PID 4812 wrote to memory of 3956	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	89
PID 4812 wrote to memory of 3956	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	89
PID 4812 wrote to memory of 3956	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	89
PID 4812 wrote to memory of 3764	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	90
PID 4812 wrote to memory of 3764	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	90
PID 4812 wrote to memory of 3764	4812	4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp	90

C:\Users\Admin\AppData\Local\Temp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe
"C:\Users\Admin\AppData\Local\Temp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Users\Admin\AppData\Local\Temp\is-4BEQO.tmp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-4BEQO.tmp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp" /SL5="$C0204,3873442,54272,C:\Users\Admin\AppData\Local\Temp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3956
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3764

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe

Filesize
2.9MB

MD5
3bb0e223395e340f71f5afd4819a0eda

SHA1
ccb560cf3d81536a5dd24e2cb2868279fec7f7ce

SHA256
3b212410a4474a26321f58adb746b6ca2d095a37dab524cae5b3c08868f649f5

SHA512
b5aa70251c8dafb23340004e29dd5f8d4786ce20c8c82b156a91c3e515f954b1af31339cc6116264c4b01ef6eeddcc02c129b704c3234397bc39df048c44b6ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4BEQO.tmp\4094d87ec10dc1c930f041f1b6541fa2972f07fa3026ab6c689bb721d6440160.tmp

Filesize
680KB

MD5
6e8a6870c7b7cca7857274c12319be79

SHA1
670cb59240dcf402572bac9afa413530f4126248

SHA256
18b2e6e055099ecdee8aa2cdca0d19d18bb3bb0f6db8725cf0fc0d39f95813fc

SHA512
8f4dd62e1b8be2dd4b3178f7267c7898c26e2466826c93eaff817fc0b08d926671e2e620fb341516d72b90b2519710e8b6354afccf2c777d7148cae8e521a037

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8OBRU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3764-78-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-69-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/3764-98-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-95-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-91-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-88-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-85-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-47-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-48-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-82-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-79-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/3764-51-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-75-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-55-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-59-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-62-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-56-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-65-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3764-68-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3784-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3784-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3956-44-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3956-42-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3956-40-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3956-39-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/4812-7-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4812-53-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4812-50-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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