Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe
Resource
win7-20240221-en
General
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Target
2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe
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Size
311KB
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MD5
24c804f1c5d63c55558fd9092199b43a
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SHA1
cfde09ccf7f8bcc753df5cbaaca8ffc2090e283f
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SHA256
3e764285adea480b3fb2f685bac5a075189fd984d3619b47f6cea56fa387ed8b
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SHA512
4bab90870a73a5c342b1ce30a5fd01ac8e82a848753b7c1e51d89f47156cf3ed7473940fcf2eb8993db1cd3bd871f529c8261902a28ab9f96e33a0a9f661d3a4
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SSDEEP
6144:Obg3eugrl6p0bQWaM0EW6iZ77BAWEwrbI:yguNrl6p0b2oW6iZh8
Malware Config
Signatures
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UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule behavioral2/memory/3704-7-0x0000000002170000-0x000000000219A000-memory.dmp UPX behavioral2/memory/3704-10-0x0000000000400000-0x000000000042A000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 3704 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe -
Loads dropped DLL 1 IoCs
pid Process 3704 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe -
resource yara_rule behavioral2/memory/3704-10-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 212 3704 WerFault.exe 88 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1920 wrote to memory of 3704 1920 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 88 PID 1920 wrote to memory of 3704 1920 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 88 PID 1920 wrote to memory of 3704 1920 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exeC:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3704 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 5403⤵
- Program crash
PID:212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3704 -ip 37041⤵PID:1784
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe
Filesize184KB
MD51d92c741bc5b2d34dcd0a0265ab54275
SHA1a160982825420567c15f6c11f777cb4ccbe69bb8
SHA2563aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67
SHA5121da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219