Analysis
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max time kernel
148s -
max time network
150s -
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, 06:51
Static task
static1
Behavioral task
behavioral1
Sample
b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe
Resource
win11-20240802-en
General
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Target
b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe
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Size
4.3MB
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MD5
eb064d78c65b6dd682478ca516390799
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SHA1
ab168d9cfcea721f72afff092840da0ba57bf900
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SHA256
b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74
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SHA512
3385d03fa33ee7b077149cab4e0f2d645c02844e1524b3ad38958c4fb007315c585875795d4044a61066701228db4ca24a9f0a8ea52cd4773b70c2dd1906842b
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SSDEEP
98304:NdoPzzz3W4mpLywF3S9qrivIeOGsSm5bx/3ydo:kPLm4k4qrivIeOR5bdiy
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/1588-78-0x0000000002AD0000-0x0000000002B72000-memory.dmp family_socks5systemz behavioral1/memory/1588-101-0x0000000002AD0000-0x0000000002B72000-memory.dmp family_socks5systemz behavioral1/memory/1588-102-0x0000000002AD0000-0x0000000002B72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 3412 jeengle.exe 1588 jeengle.exe -
Loads dropped DLL 1 IoCs
pid Process 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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 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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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 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1636 wrote to memory of 816 1636 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe 83 PID 1636 wrote to memory of 816 1636 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe 83 PID 1636 wrote to memory of 816 1636 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe 83 PID 816 wrote to memory of 3412 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 85 PID 816 wrote to memory of 3412 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 85 PID 816 wrote to memory of 3412 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 85 PID 816 wrote to memory of 1588 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 86 PID 816 wrote to memory of 1588 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 86 PID 816 wrote to memory of 1588 816 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp 86
Processes
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C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe"C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp"C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp" /SL5="$F005E,4218962,54272,C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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:816 -
C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3412
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C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.5MB
MD5a7ffdcfee0633a54e7522f38fc3e1a9c
SHA13338ddf12ce7513775d4e56cdf02b5f8dce7d2cb
SHA256f24fd406a132f404a867313b64bd3b49553681609144328d32615d06beb9576a
SHA512baf4b2b3a97e7901b45d79f726879df7c2665d799f5373e3278b84ea4f6bf2ab74b60f8ca112c410970527edf77ed5c5f1c0d8ba26982c9bd72dc479dff628f8
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
Filesize692KB
MD5f2401276f4e0f70c3aa6106d682479c5
SHA165bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA5120bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9