Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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) 3 IoCs
resource yara_rule behavioral1/memory/1388-10-0x0000000000220000-0x000000000024A000-memory.dmp UPX behavioral1/memory/1388-9-0x0000000000400000-0x000000000042A000-memory.dmp UPX behavioral1/memory/1388-22-0x0000000000400000-0x000000000042A000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 1388 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe -
Loads dropped DLL 4 IoCs
pid Process 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 1388 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe 1388 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe -
resource yara_rule behavioral1/memory/1388-9-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral1/memory/1388-22-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2672 1388 WerFault.exe 29 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2696 wrote to memory of 1388 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 29 PID 2696 wrote to memory of 1388 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 29 PID 2696 wrote to memory of 1388 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 29 PID 2696 wrote to memory of 1388 2696 2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe 29
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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2696 -
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:1388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 1803⤵
- Program crash
PID:2672
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe
Filesize184KB
MD51d92c741bc5b2d34dcd0a0265ab54275
SHA1a160982825420567c15f6c11f777cb4ccbe69bb8
SHA2563aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67
SHA5121da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94