socks5systemz | e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62

General

Target

e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe
Size

4.3MB
MD5

e921d7523cdb00066a07807fc7669b68
SHA1

0284eeb47246d1fc3da6c894f6b0c42c892cc008
SHA256

e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62
SHA512

eb9dacf25cca8c049c82c9a4a08cb86089eec3ccc4fdaf2db58422102c3e7dcd618d7cd4d7ff55934bce6b7bcb90822f25214878c980c140e216c27c60286bf8
SSDEEP

98304:C8if8YszyevO+xt2xHz2hZhHYs7yTyPCTsHg4cbQxZO:K8YszyevFSSZh4F2CAHgrbQzO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlhiigs.info

http://dlhiigs.info/search/?q=67e28dd86d58f479430aac1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf718c7e794

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2828-76-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
1088	mp3tagfreeedition.exe
2828	mp3tagfreeedition.exe

Loads dropped DLL 6 IoCs

pid	Process
3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.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	flow	ioc	pid	Process
Destination IP	2	45.155.250.90	2828	mp3tagfreeedition.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp3tagfreeedition.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp3tagfreeedition.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 3036 wrote to memory of 2588	3036	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe	30
PID 2588 wrote to memory of 1088	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	31
PID 2588 wrote to memory of 1088	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	31
PID 2588 wrote to memory of 1088	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	31
PID 2588 wrote to memory of 1088	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	31
PID 2588 wrote to memory of 2828	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	33
PID 2588 wrote to memory of 2828	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	33
PID 2588 wrote to memory of 2828	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	33
PID 2588 wrote to memory of 2828	2588	e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp	33

C:\Users\Admin\AppData\Local\Temp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe
"C:\Users\Admin\AppData\Local\Temp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\is-MIIQS.tmp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MIIQS.tmp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp" /SL5="$3014E,4143870,54272,C:\Users\Admin\AppData\Local\Temp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe
    "C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1088
- - C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe
    "C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2828

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe

Filesize
2.2MB

MD5
e908cead3e79f5b53fe945cddd35a89b

SHA1
bd89cc3d2381b20c551ad3052de0122b0236f81a

SHA256
b23c90ae6994518ed8a425f2996f6d094d88857ff1ae1393fad865e5150a5ed1

SHA512
9576c3d5d54c85cd29efbca535d65c61a3030d2e3de05bcf6faf328140140a141b1681d181ee2937cc354f2b3b502089caece66bf44f3e9e2b6d8b8d9057c08c

Download Submit
\Users\Admin\AppData\Local\Temp\is-IBF1R.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-IBF1R.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-IBF1R.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-MIIQS.tmp\e3a7940c60cc444eac152bf73714078aebc1c9e322f30a1dc83e3eb5d1c8be62.tmp

Filesize
680KB

MD5
7e2b6188f45f7c230e79f54a62bada24

SHA1
3ad24a92812d47b445b747b465d7e2ba6abf3b45

SHA256
74357eb0e5f0c66b3d9b6d210ef6e8c670c6ed3a49b9168068e152977d488b68

SHA512
ea3d1aa0a92f82cd769fdc68317bce18cf505e31b45388cfb931f77f1e831c35600b107c5bcd5b42ba756d28bc9a175770efb5734c00d1bbc7201e92bbf0be6d

Download Submit
memory/1088-48-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/1088-49-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/1088-52-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2588-55-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2588-56-0x00000000034E0000-0x0000000003713000-memory.dmp

Filesize
2.2MB

Download
memory/2588-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2588-46-0x00000000034E0000-0x0000000003713000-memory.dmp

Filesize
2.2MB

Download
memory/2828-66-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-97-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-121-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-59-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-60-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-63-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-116-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-69-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-72-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-75-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-76-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/2828-82-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-85-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-88-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-91-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-94-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-113-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-101-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-104-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-107-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/2828-110-0x0000000000400000-0x0000000000633000-memory.dmp

Filesize
2.2MB

Download
memory/3036-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3036-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3036-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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