socks5systemz | d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232

General

Target

d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe
Size

4.7MB
MD5

ef2875a76bafad70470628174e172fe0
SHA1

1ee7bdfdab6deeaa6a05c5383457e994c5b50094
SHA256

d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232
SHA512

db8e33ff0f5b9b5bdb01839382a7f83e027aaa2522fa53abe32499139f27c9ace3191c172277e3e5fd99d73ce0288c0e66af831a31808123b99f214097f9d228
SSDEEP

98304:mvWDrQkI4//8fAzQfYYo7WgOHzRImpCSCnKnFWPdO1cqUMbW0/+y:PVJW0tYuUWEzAPecvAW0/B

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2488-91-0x00000000025F0000-0x0000000002692000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp
2144	stereotool32.exe
2488	stereotool32.exe

Loads dropped DLL 5 IoCs

pid	Process
2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp

Unexpected DNS network traffic destination 2 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	141.98.234.31
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
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
2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2268 wrote to memory of 2288	2268	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe	28
PID 2288 wrote to memory of 2144	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	29
PID 2288 wrote to memory of 2144	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	29
PID 2288 wrote to memory of 2144	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	29
PID 2288 wrote to memory of 2144	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	29
PID 2288 wrote to memory of 2488	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	30
PID 2288 wrote to memory of 2488	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	30
PID 2288 wrote to memory of 2488	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	30
PID 2288 wrote to memory of 2488	2288	d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp	30

C:\Users\Admin\AppData\Local\Temp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe
"C:\Users\Admin\AppData\Local\Temp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\is-CDRPM.tmp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CDRPM.tmp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp" /SL5="$5014E,4665367,54272,C:\Users\Admin\AppData\Local\Temp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe
    "C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2144
- - C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe
    "C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2488

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\Temp\is-CDRPM.tmp\d2409b2dea4ca5e24610385b063d47840ff6c8dd9c240b1f14cd5138fcd32232.tmp

Filesize
680KB

MD5
b70ed3d1bcbe0eb891e7fcd65a6c77e4

SHA1
30cf3d962d02a6a985d9adb67c915295568d69fa

SHA256
3f93f208a112fac1c2fa79cab9829339bc479d2d6585c2e997465e986da5e6f7

SHA512
86197a5309226a26badf73e64935c0c373013694dbbefd7d87129accc4652adafa70e7a6a2b53845d67acdacb8081a14be67d0f63aa2554991572b60cc04ab86

Download Submit
\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe

Filesize
2.8MB

MD5
b0c50629dc7c1862952387fcb840fe7e

SHA1
7494d8b944eff2b06b5baf07e21ec3a926d192d1

SHA256
bf33637b1e040228f8f84a47b4f4b77badee25a0c55913e2157af5ebec0e041e

SHA512
5b53af6bbb49708b257edba85279ea52644b41f0125eb91596b9f99607bb016ab939694cb48ee68ee55af2205d036f2a3e8d0ab9b370abcc68935cd535fce0dc

Download Submit
\Users\Admin\AppData\Local\Temp\is-NS3CI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-NS3CI.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2144-65-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2144-66-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2144-69-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2268-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2268-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2288-78-0x0000000004420000-0x00000000046F8000-memory.dmp

Filesize
2.8MB

Download
memory/2288-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2288-64-0x0000000004420000-0x00000000046F8000-memory.dmp

Filesize
2.8MB

Download
memory/2288-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-81-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-103-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-74-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-84-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-87-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-90-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-91-0x00000000025F0000-0x0000000002692000-memory.dmp

Filesize
648KB

Download
memory/2488-97-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-100-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-77-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-106-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-109-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-112-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-115-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-118-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-121-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-125-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-128-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-131-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2488-134-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download

Analysis

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