socks5systemz | 81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd

General

Target

81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe
Size

4.4MB
MD5

bc70f50bba2c0148736e4cdf610470d3
SHA1

8dc6538e9433ad9014bd917aca09a2f0ae9952ce
SHA256

81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd
SHA512

1f959397b21450dd56ccc3fc3f2db80ddb980de9b0e9a69fc0468cf6edaee93025e80708a42466f9759299f971015eee476e78b5c09023b5441d3074ef2b6f04
SSDEEP

98304:7a39feglp5WJGZn7jLtS/c9MNlyyUzJkiGArPB7Mkw8:y9feqp5WS590AJjvj

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://dtvdgle.info/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb11c1eb969d39

http://dtvdgle.info/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12eab517aa5c96bd86e9908444845a8bbc896c58e713bc90c91136b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee919a3ac96c9114

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2900-90-0x00000000006E0000-0x0000000000782000-memory.dmp	family_socks5systemz
behavioral2/memory/2900-95-0x00000000006E0000-0x0000000000782000-memory.dmp	family_socks5systemz
behavioral2/memory/2900-104-0x00000000006E0000-0x0000000000782000-memory.dmp	family_socks5systemz

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

Processes:

is-5THMR.tmpgrapeberrystudio.exegrapeberrystudio.exe

pid process

4460 is-5THMR.tmp
2880 grapeberrystudio.exe
2900 grapeberrystudio.exe
Loads dropped DLL 3 IoCs

Processes:

is-5THMR.tmp

pid process

4460 is-5THMR.tmp
4460 is-5THMR.tmp
4460 is-5THMR.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
4460	is-5THMR.tmp
2880	grapeberrystudio.exe
2900	grapeberrystudio.exe

pid	process
4460	is-5THMR.tmp
4460	is-5THMR.tmp
4460	is-5THMR.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exeis-5THMR.tmp

description	pid	process	target process
PID 4144 wrote to memory of 4460	4144	81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe	is-5THMR.tmp
PID 4144 wrote to memory of 4460	4144	81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe	is-5THMR.tmp
PID 4144 wrote to memory of 4460	4144	81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe	is-5THMR.tmp
PID 4460 wrote to memory of 2880	4460	is-5THMR.tmp	grapeberrystudio.exe
PID 4460 wrote to memory of 2880	4460	is-5THMR.tmp	grapeberrystudio.exe
PID 4460 wrote to memory of 2880	4460	is-5THMR.tmp	grapeberrystudio.exe
PID 4460 wrote to memory of 2900	4460	is-5THMR.tmp	grapeberrystudio.exe
PID 4460 wrote to memory of 2900	4460	is-5THMR.tmp	grapeberrystudio.exe
PID 4460 wrote to memory of 2900	4460	is-5THMR.tmp	grapeberrystudio.exe

C:\Users\Admin\AppData\Local\Temp\81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe
"C:\Users\Admin\AppData\Local\Temp\81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4144

C:\Users\Admin\AppData\Local\Temp\is-R4MS1.tmp\is-5THMR.tmp
"C:\Users\Admin\AppData\Local\Temp\is-R4MS1.tmp\is-5THMR.tmp" /SL4 $300E0 "C:\Users\Admin\AppData\Local\Temp\81456287c63dd477bddbb71f94efb79120256dd3876c691f24f07b14848c2fcd.exe" 4362553 52224
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4460

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:2880

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:2900

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
1.8MB

MD5
294b47aa0429eae6609a0482e721dd70

SHA1
b368a4e6bb6347371849f0f7b80c393340babf5b

SHA256
96218e93f6d8dfc56e4c34dee49d3fcf2b98cbff2a371f89e6b28b5ecf1e7853

SHA512
81c58d7b1c89c0126b6c0f32d0f71e87b9863a4c3ddc9ae916d0f26add7bab19c14d14866edbe9f977734022740f1dad2e3d8126caf764141b7feb3a2180c6ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R4MS1.tmp\is-5THMR.tmp
Filesize
648KB

MD5
cf3c97bb59951df580e81d71bf88ae50

SHA1
e085e89693120cbaca3a722751dc7474063a48ad

SHA256
121b33d9b2d71fbc432ab9143c79a52d9b520e8a75467379a9923d3fbdb8fa13

SHA512
e64a88d609752aa4e20eab392ccb715ab31cd1ca05f3949c30fee9af526072133f231255a6fe2e0855b20489193efd97360e97cbded82d9699a4597d8f1d1870

Download Submit
\Users\Admin\AppData\Local\Temp\is-OLB3E.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-OLB3E.tmp\_isetup\_isdecmp.dll
Filesize
32KB

MD5
b4786eb1e1a93633ad1b4c112514c893

SHA1
734750b771d0809c88508e4feb788d7701e6dada

SHA256
2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f

SHA512
0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6

Download Submit
memory/2880-68-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2880-69-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2880-64-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2880-65-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-86-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-100-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-72-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-140-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-135-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-75-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-132-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-79-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-80-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-83-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-129-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-89-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-90-0x00000000006E0000-0x0000000000782000-memory.dmp

Filesize
648KB

Download
memory/2900-94-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-95-0x00000000006E0000-0x0000000000782000-memory.dmp

Filesize
648KB

Download
memory/2900-126-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-103-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-104-0x00000000006E0000-0x0000000000782000-memory.dmp

Filesize
648KB

Download
memory/2900-107-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-110-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-113-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-116-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-120-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/2900-123-0x0000000000400000-0x00000000005DA000-memory.dmp

Filesize
1.9MB

Download
memory/4144-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4144-73-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4460-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4460-76-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4460-74-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download

Analysis

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