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

bffudkd.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2424-86-0x0000000000A70000-0x0000000000B12000-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

3140 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
2784 fanplayercloudfree32.exe
2424 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

pid process

3140 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 91.211.247.248
Destination IP 141.98.234.31
Destination IP 152.89.198.214
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

3140 e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

pid	process
3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
2784	fanplayercloudfree32.exe
2424	fanplayercloudfree32.exe

pid	process
3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	152.89.198.214

pid	process
3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exee207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp

description	pid	process	target process
PID 2680 wrote to memory of 3140	2680	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 2680 wrote to memory of 3140	2680	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 2680 wrote to memory of 3140	2680	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
PID 3140 wrote to memory of 2784	3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 3140 wrote to memory of 2784	3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 3140 wrote to memory of 2784	3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 3140 wrote to memory of 2424	3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 3140 wrote to memory of 2424	3140	e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp	fanplayercloudfree32.exe
PID 3140 wrote to memory of 2424	3140	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:2680

C:\Users\Admin\AppData\Local\Temp\is-KJJVM.tmp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KJJVM.tmp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.tmp" /SL5="$60100,4441585,54272,C:\Users\Admin\AppData\Local\Temp\e207b91bc429e8a433b7898247dfd9053b10bcb7a642ea7c91e04ccfe31b647a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3140

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:2784

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:2424

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-I4873.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
memory/2424-90-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-75-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-116-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-113-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-110-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-107-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-104-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-67-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-68-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-101-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-98-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-71-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-74-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-95-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-78-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-81-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-84-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2424-86-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/2680-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2680-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2680-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2784-63-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2784-64-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2784-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2784-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3140-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3140-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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