Resubmissions
24/03/2024, 17:36
240324-v6mkpseb47 1024/03/2024, 17:25
240324-vzb6dsea48 1024/03/2024, 15:03
240324-sfgknagb51 1024/03/2024, 14:25
240324-rrgjcsdb88 10Analysis
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max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24/03/2024, 15:03
Static task
static1
Behavioral task
behavioral1
Sample
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
Resource
win10v2004-20240226-en
General
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Target
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
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Size
2.1MB
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MD5
530e5b703869db00c3b0814025c199c0
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SHA1
bacd94bd03b21e5f5ecae37acf070340f7f33222
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SHA256
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46
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SHA512
8d5711efea6b95cb74f2b298dd193241f29941311009240787a7930ecbc625686b8f56a9807b711b351fbc2e964c3c817c253ccc75f9db1a5bdff2b9e9e550b8
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SSDEEP
49152:32IonT/SO6ZebdP47Q2jsCKC3LAxIJ57SCD7T0S/48I:mIZDZkQ70b1xInxD/48I
Malware Config
Extracted
socks5systemz
http://ebdmudv.ua/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c644db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cf613c7ed97
http://joihuyr.info/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c644db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cf613c7ed97
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral1/memory/2520-75-0x00000000022E0000-0x0000000002382000-memory.dmp family_socks5systemz behavioral1/memory/2520-87-0x00000000022E0000-0x0000000002382000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 2444 sitefreeedition.exe 2520 sitefreeedition.exe -
Loads dropped DLL 5 IoCs
pid Process 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 45.155.250.90 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.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3008 wrote to memory of 3036 3008 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 3036 wrote to memory of 2444 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 3036 wrote to memory of 2444 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 3036 wrote to memory of 2444 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 3036 wrote to memory of 2444 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 3036 wrote to memory of 2520 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 3036 wrote to memory of 2520 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 3036 wrote to memory of 2520 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 3036 wrote to memory of 2520 3036 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\is-2DV6N.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp"C:\Users\Admin\AppData\Local\Temp\is-2DV6N.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$8011E,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
PID:2444
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C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
706KB
MD593eff6c6f686590e2f39a4c06c1600ab
SHA183e94b644ba60b4c2a269278600da63202a3f2a5
SHA256db594ac12bea8ba7ce70bf79834e040071cbecb8b9e7ee8d42e436630e2539cd
SHA512d45a4107dfc02d864fd4813ed5c68ef5f77e0f84152aee8caa6496df2981bf702801f00c002ef8692042a5fb2561608224dd9ea379ad099e0e01073e1eb1b758
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Filesize
1.7MB
MD51133be928770f4c5d7c3911dc06d7c16
SHA1d0a57857f2eec3b87b1d669c14ff62c9ec900221
SHA25601172d9c1b1a0b03fd316e76aa16b32851827470ad9c173ed2cc11f41b7892ad
SHA51224d93ed7417d913b453c9092c395a2a8cfbd72af225057fd6789affa3ee835cdb395921566aa23dde44cd37599d6a3ba49657fde2a8a38b75fe3fb2b211f8192
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Filesize
924KB
MD5da75dead20fccb33e4dfa4b8134178fa
SHA10d7e01606121725d8c48877313f01c5f0630a48c
SHA256edd6aecf37d0a5df9bebc63af42a934d96f8ca4d75e16e8f454c37aa22d4dfd4
SHA5120f300d1541adeb6d3403011c0eb130a475de213a7cfd22a7f877c704ed3b0129134b275e0798a5629e5055e1458ab377f4a0f207348007e38ea061b72430218c
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Filesize
1.5MB
MD51b0121eb8e80bfc306cf16eebc58ae87
SHA1ec528bdc0691f480ff36f405d5e9a3804bfa8e9c
SHA25695273652b680dd75b168ae203436fa62d56a4a3b369e9b139dd08c293b4d30d1
SHA5120a03d8c7de79a5062fafa4e0982e452cb83f9f1deae78d36a2467277c346f396ee3db82f4df2295702c1cf79ac19ee7f3a5f7288327a8a879b64c1b6116a9012
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\Users\Admin\AppData\Local\Temp\is-2DV6N.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3