Analysis
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max time kernel
142s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/08/2024, 21:07
Static task
static1
Behavioral task
behavioral1
Sample
dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe
Resource
win11-20240802-en
General
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Target
dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe
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Size
3.8MB
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MD5
854c16c0179eeb25eb02a7d3cb0bae27
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SHA1
c2ce1cc0c521dc9b3a455e69e2edcc137d94308d
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SHA256
dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6
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SHA512
859d9b6e2f1ae528f31420652d893806b4f0dfdf0c9343aef769ff2914554d9aedc9544f15c2f83d1b495a418eb3791ce18a91e1152896d5c75463a8ff05f999
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SSDEEP
98304:NhHiQnKLWygfG71ZBs6nOqWL1GjerqZxQpWlfA287Nyd3:LiNKe7BDOqWJGjp/5A24y9
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/4632-76-0x00000000026F0000-0x0000000002792000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 4892 jeengle32_64.exe 4632 jeengle32_64.exe -
Loads dropped DLL 1 IoCs
pid Process 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.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 91.211.247.248 -
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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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2556 wrote to memory of 1040 2556 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe 84 PID 2556 wrote to memory of 1040 2556 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe 84 PID 2556 wrote to memory of 1040 2556 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe 84 PID 1040 wrote to memory of 4892 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 87 PID 1040 wrote to memory of 4892 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 87 PID 1040 wrote to memory of 4892 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 87 PID 1040 wrote to memory of 4632 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 88 PID 1040 wrote to memory of 4632 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 88 PID 1040 wrote to memory of 4632 1040 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Users\Admin\AppData\Local\Temp\is-BV9J7.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp"C:\Users\Admin\AppData\Local\Temp\is-BV9J7.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp" /SL5="$60144,3761789,54272,C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4892
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C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.4MB
MD56a521bd35db1e9414504aaf93ab13134
SHA16316d63f1af1775761cbdee733e62e61bb301acd
SHA25610fd4bf05995e821a57f56abe084b6485258345ffdb09a086b268efdd2e62594
SHA512e2ea079c99bf22bf9f53e92eaa9f106e616d11b5e50dd58bf71748cc5f38ece152351a12b54c6fb8be5137e31075f82e05768b2081a7d788be6328b418015612
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-BV9J7.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp
Filesize692KB
MD596e2c8db3dd8e1f3632aab3b400e4b9a
SHA14272048cddf5a17cee879c2c421f61e33baeff69
SHA256624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2
SHA5121d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984