socks5systemz | d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417

General

Target

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe
Size

5.8MB
MD5

796ab80b09fbefdeb060289adfd5c7a7
SHA1

15ddb91009a1bae970bf616df0a6eaecf7ffa37c
SHA256

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417
SHA512

b08566723c58d155ba18fe0df6bf392a977f74c37377bc297a8a8f2a47ef211f6ebd7552f176e5031537a9693c125a7c18e4d1208e67d18cc4e03b47ecd067f7
SSDEEP

98304:PX4qk/3tfGAIvZ8XZZrTQIzA2+QdGJvN02pBPVUIt8Ug7Riyazx10g:vNauAiZ+rQolGJvm2pBP38Ucsyaf

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3004-93-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral2/memory/3004-122-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral2/memory/3004-123-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmpavidenta364.exe

pid process

1120 d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
3004 avidenta364.exe
Loads dropped DLL 2 IoCs

Processes:

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmpavidenta364.exe

pid process

1120 d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
3004 avidenta364.exe
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

description	ioc
Destination IP	91.211.247.248

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

avidenta364.exenet.exenet1.exed27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exed27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avidenta364.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

pid	process
1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

pid process

1120 d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exed27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmpnet.exe

description	pid	process	target process
PID 4880 wrote to memory of 1120	4880	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
PID 4880 wrote to memory of 1120	4880	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
PID 4880 wrote to memory of 1120	4880	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
PID 1120 wrote to memory of 3016	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	net.exe
PID 1120 wrote to memory of 3016	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	net.exe
PID 1120 wrote to memory of 3016	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	net.exe
PID 1120 wrote to memory of 3004	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	avidenta364.exe
PID 1120 wrote to memory of 3004	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	avidenta364.exe
PID 1120 wrote to memory of 3004	1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp	avidenta364.exe
PID 3016 wrote to memory of 396	3016	net.exe	net1.exe
PID 3016 wrote to memory of 396	3016	net.exe	net1.exe
PID 3016 wrote to memory of 396	3016	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe
"C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Users\Admin\AppData\Local\Temp\is-VSH66.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VSH66.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp" /SL5="$802DA,5392747,721408,C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause avidenta_11135
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3016
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause avidenta_11135
      4⤵
      System Location Discovery: System Language Discovery
      PID:396
- - C:\Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe
    "C:\Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3004

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe

Filesize
3.3MB

MD5
7b7c120acc0e8c1412dbb61695fd3154

SHA1
475903346162932821d2ee78f5bb705c1f9ecba4

SHA256
a1a33ace9bc632fd967fe9c9c56fda354d042bb99750df676874af923badfc46

SHA512
c03b428d91e9fda38228600487312caf768e01724de5a1a36a3a14239e5393c2ddad55c08e7cf0fa24ee591f184ea1a17ec146596cbb046cea34f9fc3a92b7fd

Download Submit
C:\Users\Admin\AppData\Local\Avidenta 1.3.3\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5RNBE.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VSH66.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

Filesize
2.4MB

MD5
01ba022bc7a14fcca5421a7acc708a7c

SHA1
9246c6d29adcb6b15e8cd8012f0f119e5d0f2276

SHA256
7462adefa4980b1f84be9eb8cd2c060f4274fa3e7dad2757f388bad0a3821cf5

SHA512
0d9e1bf24a8e78645f3e4aeae420cb1e599693a543156989bf36e291beacf336cae49c85aba624723125815da80c414cd9de2c3dddb3ff30a28898affd798732

Download Submit
memory/1120-68-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/1120-6-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/3004-75-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-91-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-64-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-67-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-131-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-127-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-72-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3004-71-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-123-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/3004-79-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-83-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-87-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-93-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/3004-63-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-99-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-101-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-104-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-108-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-112-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-116-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-120-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/3004-122-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/4880-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4880-69-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4880-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download

pid	process
1120	d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
3004	avidenta364.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads