socks5systemz | f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3

Analysis

max time kernel
292s
max time network
256s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-07-2024 05:10

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General

Target

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe
Size

5.2MB
MD5

455886c6237211a5af48d2f79dcf122d
SHA1

19d1255fad0d2079900acf20c7593d4d175bb399
SHA256

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3
SHA512

31fef2c2a7b400c3b93f93216b65d1b1baa5a7049c04f9c44316fe160b9ea4cdfa6527a7a0725f89d1f3efb45ff1edf8c1252c219606c8041c61d34b1dd7bca3
SSDEEP

98304:CWfPQkrK4lATHipx+b1NPGL4Lyf9lF+JaIS3w2AMsX8lXzBpeCM0KJrWYvqyQxg:fBpATHACNUQAh3FtsX8tzBpeoKFW8qyJ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3752-84-0x00000000008E0000-0x0000000000981000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmptotalrecorderfree32_64.exetotalrecorderfree32_64.exe

pid process

1128 f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
1292 totalrecorderfree32_64.exe
3752 totalrecorderfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

pid process

1128 f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.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
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

pid process

1128 f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

resource	yara_rule
behavioral2/memory/3752-84-0x00000000008E0000-0x0000000000981000-memory.dmp	family_socks5systemz

pid	process
1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
1292	totalrecorderfree32_64.exe
3752	totalrecorderfree32_64.exe

pid	process
1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exef97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp

description	pid	process	target process
PID 4144 wrote to memory of 1128	4144	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
PID 4144 wrote to memory of 1128	4144	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
PID 4144 wrote to memory of 1128	4144	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
PID 1128 wrote to memory of 1292	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe
PID 1128 wrote to memory of 1292	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe
PID 1128 wrote to memory of 1292	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe
PID 1128 wrote to memory of 3752	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe
PID 1128 wrote to memory of 3752	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe
PID 1128 wrote to memory of 3752	1128	f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp	totalrecorderfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe
"C:\Users\Admin\AppData\Local\Temp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4144

C:\Users\Admin\AppData\Local\Temp\is-6NAEU.tmp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-6NAEU.tmp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp" /SL5="$60200,5164921,54272,C:\Users\Admin\AppData\Local\Temp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:1292

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3752

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-6NAEU.tmp\f97767a7623f0afd0fa61283fe080d996ecf5f782cd2c128bd66d73022f109f3.tmp
Filesize
680KB

MD5
32f6596e136f3f8cfa1fbfd85acef958

SHA1
44411edb185b448613ac7dcfc24a6e2c0da382a3

SHA256
cd40719fec44d56ec09eeabfd56896f6bc80d4cd982f042068baca42141b4713

SHA512
e75005af4acd5ec4f53d584da8fbb2a72358af818dd6643e7eb5b862b3be582ed9cc8c8fb205b04ac2356da87826ab088c0ec658ee890a7605fd32be9b01d626

Download Submit
C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
Filesize
3.3MB

MD5
18c4b3e84ba39f91dca7a1ebad553e69

SHA1
0e1ea779c262fcb2a2ab16294c4f0e210da82828

SHA256
86c376609e8fce347f3705a8eeb87c84c298e6b3226cd9862d9a93ce3beee97e

SHA512
2f484e18be1f85ba4f39553bdde5864022eb662267e970966bb26076e21da7a56d860344c332a913d5099c25dbee9daa63cd8f8dc520bdbd17d2fb188951cc1c

Download Submit
\Users\Admin\AppData\Local\Temp\is-JE6Q5.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1128-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1128-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1292-63-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/1292-59-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/1292-60-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-81-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-91-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-130-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-125-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-69-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-72-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-75-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-78-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-122-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-84-0x00000000008E0000-0x0000000000981000-memory.dmp

Filesize
644KB

Download
memory/3752-86-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-66-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-94-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-97-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-100-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-103-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-107-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-110-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-113-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-116-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/3752-119-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4144-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4144-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download