socks5systemz | 1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca

General

Target

1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe
Size

4.6MB
MD5

e905d7e974afccad5168b66a15dca68f
SHA1

d359b90b53171f0f021938b17fc0453b1f05c66f
SHA256

1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca
SHA512

37b370a54353cd75394156cfba4150e92f33a2ed45755d5613a4cab3ced35d42b168875986377c40d6b0fb98b7bbe0d554f630e21268e9430108f69761061387
SSDEEP

98304:7aUp3iAqkhYC4IfZXl4G/D0Jz5Vz9YbmjWGYcq1MuZ8s8:LlioYVy4wD0bJCbmjW/cUMMS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bmoadvy.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb11c0e99d983c

http://bmoadvy.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12eab517aa5c96bd86eb95844e855a8bbc896c58e713bc90c91936b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee919a3bcb679411

Signatures

Detect Socks5Systemz Payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4004-91-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz
behavioral2/memory/4004-96-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz
behavioral2/memory/4004-105-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz
behavioral2/memory/4004-119-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz
behavioral2/memory/4004-118-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz

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

Processes:

is-HJDTN.tmpgrapeberrystudio.exegrapeberrystudio.exe

pid process

3736 is-HJDTN.tmp
4204 grapeberrystudio.exe
4004 grapeberrystudio.exe
Loads dropped DLL 3 IoCs

Processes:

is-HJDTN.tmp

pid process

3736 is-HJDTN.tmp
3736 is-HJDTN.tmp
3736 is-HJDTN.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

pid	process
3736	is-HJDTN.tmp
4204	grapeberrystudio.exe
4004	grapeberrystudio.exe

pid	process
3736	is-HJDTN.tmp
3736	is-HJDTN.tmp
3736	is-HJDTN.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exeis-HJDTN.tmp

description	pid	process	target process
PID 3336 wrote to memory of 3736	3336	1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe	is-HJDTN.tmp
PID 3336 wrote to memory of 3736	3336	1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe	is-HJDTN.tmp
PID 3336 wrote to memory of 3736	3336	1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe	is-HJDTN.tmp
PID 3736 wrote to memory of 4204	3736	is-HJDTN.tmp	grapeberrystudio.exe
PID 3736 wrote to memory of 4204	3736	is-HJDTN.tmp	grapeberrystudio.exe
PID 3736 wrote to memory of 4204	3736	is-HJDTN.tmp	grapeberrystudio.exe
PID 3736 wrote to memory of 4004	3736	is-HJDTN.tmp	grapeberrystudio.exe
PID 3736 wrote to memory of 4004	3736	is-HJDTN.tmp	grapeberrystudio.exe
PID 3736 wrote to memory of 4004	3736	is-HJDTN.tmp	grapeberrystudio.exe

C:\Users\Admin\AppData\Local\Temp\1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe
"C:\Users\Admin\AppData\Local\Temp\1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3336

C:\Users\Admin\AppData\Local\Temp\is-IGMIQ.tmp\is-HJDTN.tmp
"C:\Users\Admin\AppData\Local\Temp\is-IGMIQ.tmp\is-HJDTN.tmp" /SL4 $600D0 "C:\Users\Admin\AppData\Local\Temp\1694cd643b26823b5871438393f821595e964ed58779d63293c3a7a8355046ca.exe" 4542532 52224
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3736

C:\Users\Admin\AppData\Local\Grape Berry Studio\grapeberrystudio.exe
"C:\Users\Admin\AppData\Local\Grape Berry Studio\grapeberrystudio.exe" -i
3⤵
- Executes dropped EXE
PID:4204

C:\Users\Admin\AppData\Local\Grape Berry Studio\grapeberrystudio.exe
"C:\Users\Admin\AppData\Local\Grape Berry Studio\grapeberrystudio.exe" -s
3⤵
- Executes dropped EXE
PID:4004

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\Grape Berry Studio\grapeberrystudio.exe
Filesize
2.0MB

MD5
d8b691a144ca55d147980b38b8a78bd9

SHA1
a5812a662dc971cf451e6d38f15a2802a7d742ad

SHA256
143178bdaa41626d6d16386b5455945c5ccb5d49472069cc1f8130f1e0b01171

SHA512
34eb66e8691d47399b22f55a0a003529dda85698da47a5696d58762973c244f1e7666eb9a33cc5a19fd83192ed3dce99ea7ee7b0e52e3496e32270763888956d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IGMIQ.tmp\is-HJDTN.tmp
Filesize
648KB

MD5
cf3c97bb59951df580e81d71bf88ae50

SHA1
e085e89693120cbaca3a722751dc7474063a48ad

SHA256
121b33d9b2d71fbc432ab9143c79a52d9b520e8a75467379a9923d3fbdb8fa13

SHA512
e64a88d609752aa4e20eab392ccb715ab31cd1ca05f3949c30fee9af526072133f231255a6fe2e0855b20489193efd97360e97cbded82d9699a4597d8f1d1870

Download Submit
\Users\Admin\AppData\Local\Temp\is-G1AQ7.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-G1AQ7.tmp\_isetup\_isdecmp.dll
Filesize
32KB

MD5
b4786eb1e1a93633ad1b4c112514c893

SHA1
734750b771d0809c88508e4feb788d7701e6dada

SHA256
2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f

SHA512
0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6

Download Submit
memory/3336-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3336-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3336-74-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3736-75-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3736-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3736-77-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4004-84-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-118-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4004-138-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-73-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-76-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-135-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-80-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-81-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-132-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-87-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-90-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-91-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4004-95-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-96-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4004-101-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-104-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-105-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4004-108-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-111-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-114-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-117-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-119-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4004-129-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-123-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4004-126-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4204-65-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4204-66-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4204-69-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download
memory/4204-70-0x0000000000400000-0x0000000000610000-memory.dmp

Filesize
2.1MB

Download

Analysis

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