socks5systemz | e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a

General

Target

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe
Size

4.5MB
MD5

8531e67f619ea92c66516b60349bb794
SHA1

308fd2dba011e2b1d821df8cf9593ead52da7e0a
SHA256

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a
SHA512

f3a859fc472a3373799ae9ef347d18873631c2e8c8edb63634df60f143bebb0bd697651b4baaeba427982778f06b863c232df8e6566e623722ffdfc1267ed81e
SSDEEP

98304:mF/0nps3xw8q0W+4X79fHkEsa1fryIBMGdbUDvGKd3QFXXP:LnOw8qtH7dDt/rdMeKlQFXXP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bxlnpwl.com

http://bxlnpwl.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c2ef949933

http://bxlnpwl.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d39cd6e951e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2124-86-0x0000000000750000-0x00000000007F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2124-109-0x0000000000750000-0x00000000007F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2124-110-0x0000000000750000-0x00000000007F2000-memory.dmp	family_socks5systemz

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

Processes:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmpfanplayercloudfree32.exefanplayercloudfree32.exe

pid process

1464 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
4500 fanplayercloudfree32.exe
2124 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

pid process

1464 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.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:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

pid process

1464 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

pid	process
1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
4500	fanplayercloudfree32.exe
2124	fanplayercloudfree32.exe

pid	process
1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exee207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

description	pid	process	target process
PID 860 wrote to memory of 1464	860	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 860 wrote to memory of 1464	860	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 860 wrote to memory of 1464	860	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 1464 wrote to memory of 4500	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 1464 wrote to memory of 4500	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 1464 wrote to memory of 4500	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 1464 wrote to memory of 2124	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 1464 wrote to memory of 2124	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 1464 wrote to memory of 2124	1464	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe
"C:\Users\Admin\AppData\Local\Temp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\Users\Admin\AppData\Local\Temp\is-J3IVG.tmp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-J3IVG.tmp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp" /SL5="$A016C,4441585,54272,C:\Users\Admin\AppData\Local\Temp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1464

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:4500

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:2124

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=3808,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:2600

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\FanPlayer Cloud Free\fanplayercloudfree32.exe
Filesize
2.3MB

MD5
85f93e4bc9dfc8777fe936e425d081ae

SHA1
503ac55ec320f8f03f3a23e0b4b685e775bc4a97

SHA256
7f8e7de9f777b3c31d154fa6f4cecae51da9a91fb4cc0768d06a9d2fce4a779a

SHA512
0b886857f3e78ff4c4bab6e415f3d803da047e5a43fd5b6793c3021cf5b20140a98c00e83ed3367b100c4f828dd6890b2d6938252d92ee2716297690300ee76b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2QS3F.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-J3IVG.tmp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
Filesize
680KB

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
memory/860-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/860-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/860-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1464-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1464-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2124-96-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-90-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-68-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-117-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-114-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-71-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-74-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-77-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-80-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-83-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-86-0x0000000000750000-0x00000000007F2000-memory.dmp

Filesize
648KB

Download
memory/2124-110-0x0000000000750000-0x00000000007F2000-memory.dmp

Filesize
648KB

Download
memory/2124-93-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-109-0x0000000000750000-0x00000000007F2000-memory.dmp

Filesize
648KB

Download
memory/2124-99-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-102-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-105-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2124-108-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4500-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4500-64-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4500-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4500-65-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download

Analysis

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