socks5systemz | aef7d73b489039c8676e8713c9bd1fd35f2cc3e0040cae9404480abb3c6c5ebc

Analysis

max time kernel
147s
max time network
139s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 15:51

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General

Target
fd66acb845007dfb26eb212328120e97.exe
Size 4.7MB
Sample240511-tagh5sec41
SHA256 aef7d73b489039c8676e8713c9bd1fd35f2cc3e0040cae9404480abb3c6c5ebc
MD5 fd66acb845007dfb26eb212328120e97
SHA1 236b45278b23e57b94f8b706dcd83c293b979a72
SHA512 effacd317280d74cbcbdfebb5e0a4378714346e8651110dd9f6406855294fbde992763370881583667757d1672765c2152e51efd5028fc2362e3e766fbd514bb
SSDEEP 98304:uSQbNh6aLrcj8pMksnu9cacBcN/AhSNKH46nC+Ttqsd9p7FvJ:abtMj8ppsnu9cacB4mSNKYsjVHpvJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

http://ckdjemv.net/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628afb13c7eb95

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2456-97-0x00000000021D0000-0x0000000002272000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
1880	fd66acb845007dfb26eb212328120e97.tmp
2520	keratodjprof.exe
2456	keratodjprof.exe

Loads dropped DLL 6 IoCs

pid	Process
2184	fd66acb845007dfb26eb212328120e97.exe
1880	fd66acb845007dfb26eb212328120e97.tmp
1880	fd66acb845007dfb26eb212328120e97.tmp
1880	fd66acb845007dfb26eb212328120e97.tmp
1880	fd66acb845007dfb26eb212328120e97.tmp
1880	fd66acb845007dfb26eb212328120e97.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 2184 wrote to memory of 1880	2184	fd66acb845007dfb26eb212328120e97.exe	28
PID 1880 wrote to memory of 2520	1880	fd66acb845007dfb26eb212328120e97.tmp	29
PID 1880 wrote to memory of 2520	1880	fd66acb845007dfb26eb212328120e97.tmp	29
PID 1880 wrote to memory of 2520	1880	fd66acb845007dfb26eb212328120e97.tmp	29
PID 1880 wrote to memory of 2520	1880	fd66acb845007dfb26eb212328120e97.tmp	29
PID 1880 wrote to memory of 2456	1880	fd66acb845007dfb26eb212328120e97.tmp	30
PID 1880 wrote to memory of 2456	1880	fd66acb845007dfb26eb212328120e97.tmp	30
PID 1880 wrote to memory of 2456	1880	fd66acb845007dfb26eb212328120e97.tmp	30
PID 1880 wrote to memory of 2456	1880	fd66acb845007dfb26eb212328120e97.tmp	30

C:\Users\Admin\AppData\Local\Temp\fd66acb845007dfb26eb212328120e97.exe
"C:\Users\Admin\AppData\Local\Temp\fd66acb845007dfb26eb212328120e97.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\is-1V052.tmp\fd66acb845007dfb26eb212328120e97.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-1V052.tmp\fd66acb845007dfb26eb212328120e97.tmp" /SL5="$3014E,4707940,54272,C:\Users\Admin\AppData\Local\Temp\fd66acb845007dfb26eb212328120e97.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2520
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

libeay32.dll

Path C:\Users\Admin\AppData\Local\Kerato DJ Prof\libeay32.dll
Size 1.9MB
SHA256 a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158
MD5 876a839023b8f962a72d295da7495734
SHA1 62a7728679bc18784b1fbf1d013f7cece18cbec9
SHA512 e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1
SSDEEP 24576:OFZD9URlmDrgBrhEci8XhP3YLd44RS6+FNbqUzUxVvqKGTZnIzudBDFPjQAr10Fu:+ZeLrXFcL0YF7pvtHkfH
MD5 SHA1 SHA512 SSDEEP

Submit Download

keratodjprof.exe

Path \Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
Size 1.8MB
SHA256 c6b0886391a792ca1df61657b1fd405b93b1e57c6261947bb559471188e4d762
MD5 71766be0b8c6af08d6895a43c1cc9cd1
SHA1 076ee50f2114c426ece55a17d872bec7c2248ead
SHA512 76c47d8df0fd5135269f970dbc3a3d5a86205055c55e87d816a9c533cfc37bafd9c5b4cb60dc42198200c1b669d7fd0ead33bf0ccb7e77a59879a3c7f28069ba
SSDEEP 24576:wqWibF7iIhBzUgbEMSOEmV6oXwM0ROitJu7PO7w3LXwl2glSoVXZbAGQ0Vg4xlFC:5cUzUgSOEiXw+ithMp+V9LEarMb
MD5 SHA1 SHA512 SSDEEP

Submit Download

fd66acb845007dfb26eb212328120e97.tmp

Path \Users\Admin\AppData\Local\Temp\is-1V052.tmp\fd66acb845007dfb26eb212328120e97.tmp
Size 696KB
SHA256 4cc9638e8b9cb706c09b595261b47c90a853c8d14541859add76cbe11dd69174
MD5 e90757238a44df56c78bf0efb43a0294
SHA1 23be5e5314911ca2518439fff584fa0719b8b473
SHA512 c03dbb5ceb454005d2c26610ceadc2e479521f2d442e71ae830b00caef8fc01b9a4c2d5bd62fff3cc576fd58ec8dc1333c8e88e43094b57af390a5303bdfeb42
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2UHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFEH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-AAGF7.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_isdecmp.dll

Path \Users\Admin\AppData\Local\Temp\is-AAGF7.tmp\_isetup\_isdecmp.dll
Size 19KB
SHA256 3c5b63d61e00f30790c7df0f048473cb04d17e175d8177e86c7cf5062dcaad24
MD5 c948b46ea1eb5757ecf75404571c31ce
SHA1 6665b8d48fea3538c7e043b7ab700778d86307a3
SHA512 6b326b34c8142ef2b75df7f83aed11400a86d19806730bab0515ccfcd6eb2ef71d6db707dbd48d8f1f8ff9e3eb6626af80d38394ebaf2742ef3df0d0ebe4f256
SSDEEP 384:XFeA1PrXPBdHC/C2EAlvLbCDI4AC6XAoMbKn4ABGQt/iDAs8c4yFPG3+9KnT3jVw:XFHPfHC4XIIktKfs+o3j/wEoNN23A
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-AAGF7.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1880-11-0x0000000000400000-0x00000000004BE000-memory.dmp

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memory/1880-67-0x00000000034D0000-0x000000000369C000-memory.dmp

Download

memory/1880-81-0x00000000034D0000-0x000000000369C000-memory.dmp

Download

memory/1880-79-0x0000000000400000-0x00000000004BE000-memory.dmp

Download

memory/2184-78-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/2184-0-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/2184-2-0x0000000000401000-0x000000000040B000-memory.dmp

Download

memory/2456-103-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-96-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-125-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-80-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-122-0x0000000000400000-0x00000000005CC000-memory.dmp

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memory/2456-84-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-87-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-90-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-93-0x0000000000400000-0x00000000005CC000-memory.dmp

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memory/2456-118-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-97-0x00000000021D0000-0x0000000002272000-memory.dmp

Download

memory/2456-115-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-106-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2456-109-0x0000000000400000-0x00000000005CC000-memory.dmp

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memory/2456-112-0x0000000000400000-0x00000000005CC000-memory.dmp

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memory/2520-68-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2520-74-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2520-69-0x0000000000400000-0x00000000005CC000-memory.dmp

Download

memory/2520-72-0x0000000000400000-0x00000000005CC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads