socks5systemz | 57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f

General

Target

57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe
Size

4.3MB
MD5

be3082f150f762372fa1d9007ab53982
SHA1

b6dc42ce379479b2ce51ebef86a0cbc1be3cee5a
SHA256

57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f
SHA512

8cd7434892719b71a72380c77b4d4e547a8550a412e3cd5fc858031ce9c0f196a8f006fe039d5ada2cf658ef6bd76477fdfc1aa40650f1e47a77a7df6cf5345f
SSDEEP

98304:7aGgvD5y2Vk1sZxV4DYhaCIvuXkPJdq9t2mk0bKzm8:VT2W/Yhxhkhda2mo

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bheosdz.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffc16c6ed9d9b38

Signatures

Detect Socks5Systemz Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4772-94-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral2/memory/4772-104-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz

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

Processes:

is-UUM3S.tmpgrapeberrystudio.exegrapeberrystudio.exe

pid process

1556 is-UUM3S.tmp
3560 grapeberrystudio.exe
4772 grapeberrystudio.exe
Loads dropped DLL 3 IoCs

Processes:

is-UUM3S.tmp

pid process

1556 is-UUM3S.tmp
1556 is-UUM3S.tmp
1556 is-UUM3S.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 141.98.234.31
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
1556	is-UUM3S.tmp
3560	grapeberrystudio.exe
4772	grapeberrystudio.exe

pid	process
1556	is-UUM3S.tmp
1556	is-UUM3S.tmp
1556	is-UUM3S.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exeis-UUM3S.tmp

description	pid	process	target process
PID 3084 wrote to memory of 1556	3084	57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe	is-UUM3S.tmp
PID 3084 wrote to memory of 1556	3084	57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe	is-UUM3S.tmp
PID 3084 wrote to memory of 1556	3084	57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe	is-UUM3S.tmp
PID 1556 wrote to memory of 3560	1556	is-UUM3S.tmp	grapeberrystudio.exe
PID 1556 wrote to memory of 3560	1556	is-UUM3S.tmp	grapeberrystudio.exe
PID 1556 wrote to memory of 3560	1556	is-UUM3S.tmp	grapeberrystudio.exe
PID 1556 wrote to memory of 4772	1556	is-UUM3S.tmp	grapeberrystudio.exe
PID 1556 wrote to memory of 4772	1556	is-UUM3S.tmp	grapeberrystudio.exe
PID 1556 wrote to memory of 4772	1556	is-UUM3S.tmp	grapeberrystudio.exe

C:\Users\Admin\AppData\Local\Temp\57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe
"C:\Users\Admin\AppData\Local\Temp\57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3084

C:\Users\Admin\AppData\Local\Temp\is-EQ918.tmp\is-UUM3S.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EQ918.tmp\is-UUM3S.tmp" /SL4 $60226 "C:\Users\Admin\AppData\Local\Temp\57a644517840d27056fb208e3e9a88c54d0d6e9b84db65b520cc302af25d2e1f.exe" 4245394 52224
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1556

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:3560

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:4772

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
1.7MB

MD5
3461bdb1975f2d745c32563828c9bd7f

SHA1
c2953037e9efe0670c87fb6d9fbe5326d52810e8

SHA256
55dc7e411dc79c7cc17ff2a9fa40eeef98b2b4fc9c55a7c7bb5051eea15e52d5

SHA512
b2d5e6975c6226e44c08e2954452822428f6dceedbf55d1b4ccf215fb7d10a6d1175a70018367ba7771a40f45aaaf7b4f40cdc0c6cd406d9129fa369c92001a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EQ918.tmp\is-UUM3S.tmp
Filesize
648KB

MD5
cf3c97bb59951df580e81d71bf88ae50

SHA1
e085e89693120cbaca3a722751dc7474063a48ad

SHA256
121b33d9b2d71fbc432ab9143c79a52d9b520e8a75467379a9923d3fbdb8fa13

SHA512
e64a88d609752aa4e20eab392ccb715ab31cd1ca05f3949c30fee9af526072133f231255a6fe2e0855b20489193efd97360e97cbded82d9699a4597d8f1d1870

Download Submit
\Users\Admin\AppData\Local\Temp\is-RCT4D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-RCT4D.tmp\_isetup\_isdecmp.dll
Filesize
32KB

MD5
b4786eb1e1a93633ad1b4c112514c893

SHA1
734750b771d0809c88508e4feb788d7701e6dada

SHA256
2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f

SHA512
0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6

Download Submit
memory/1556-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1556-77-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1556-75-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3084-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3084-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3084-74-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3560-65-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/3560-66-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/3560-70-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/3560-69-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-84-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-104-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/4772-80-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-81-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-73-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-87-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-90-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-93-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-94-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/4772-100-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-103-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-76-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-107-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-110-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-113-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-116-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-120-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-123-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-126-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-129-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-132-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-135-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/4772-140-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download

Analysis

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