socks5systemz | 54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0

General

Target

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe
Size

5.9MB
MD5

ef5b0320352d952c759772b2a4e65e21
SHA1

3ce746da02761db54ed7fb21f2dd5dd899c15e1a
SHA256

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0
SHA512

fd8315473154afb05bc2e37c9321cbb578886815516d1669d9dbe7e34f4c100314a509d89a20b9ea0b0308e3c5f6afc801a63ca2a822fdf40fcbf6bc30132ebd
SSDEEP

98304:msMgO8huXIrLHtsI3FyvrI/DVID8jUSyLPrtsvEyBbozgJ2D9WVRJmd0FPIa:14mqeDtsOyoDWKUS6uEyJ6gJqABFz

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aywzbad.ru

http://aywzbad.ru/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c6ec969d3a

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4784-91-0x0000000000AD0000-0x0000000000B72000-memory.dmp	family_socks5systemz

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

Processes:

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

1532 54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
4648 lampungsoundstage32.exe
4784 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp

pid	process
1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.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
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp

pid process

1532 54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp

description	pid	process	target process
PID 1116 wrote to memory of 1532	1116	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
PID 1116 wrote to memory of 1532	1116	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
PID 1116 wrote to memory of 1532	1116	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
PID 1532 wrote to memory of 4648	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe
PID 1532 wrote to memory of 4648	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe
PID 1532 wrote to memory of 4648	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe
PID 1532 wrote to memory of 4784	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe
PID 1532 wrote to memory of 4784	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe
PID 1532 wrote to memory of 4784	1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe
"C:\Users\Admin\AppData\Local\Temp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Users\Admin\AppData\Local\Temp\is-F4SNG.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-F4SNG.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp" /SL5="$E005C,5906638,54272,C:\Users\Admin\AppData\Local\Temp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1532

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:4648

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:4784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3364,i,3144109701624127473,12586215149656995128,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
1⤵
PID:2184

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

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Downloads

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
Filesize
3.8MB

MD5
40ca470035db362b098acc6af6d9d7ab

SHA1
3ec33abe3c33e66ef11cdc770acc7eb1b7ab374b

SHA256
1651a56c2d166460319222fe5bbd19cae6b2911db2153c476d6a16ec63995166

SHA512
086559db97cd1ed779f3df807ad9b25c4a131186089f1b9fe7de440497e4b61606743b5c1343e9096d202d4405a1b597a9a41285de2b9788d37f01b8c6d4101d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BTT6O.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BTT6O.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F4SNG.tmp\54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

Download Submit
memory/1116-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1116-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1116-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1532-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1532-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-67-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4648-70-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4648-66-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4648-65-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-76-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-93-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-79-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-82-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-85-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-88-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-91-0x0000000000AD0000-0x0000000000B72000-memory.dmp

Filesize
648KB

Download
memory/4784-72-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-98-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-101-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-104-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-107-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-110-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-113-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-116-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4784-119-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download

pid	process
1532	54ee5a5fb8e45d166eda94dc03028572dbb19f65e428877e34a64816932238a0.tmp
4648	lampungsoundstage32.exe
4784	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads