Analysis
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max time kernel
150s -
max time network
151s -
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, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe
Resource
win7-20240319-en
General
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Target
2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe
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Size
291KB
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MD5
008f1e2855eef601ee3c2aa5fa9a8925
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SHA1
99ff6c109489bc0df445dee40ccb1c64f8e34a1f
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SHA256
dfa0d118b4f04d43cc6296f4858ed4caa1ac2daf70a2b1b40962a08392617984
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SHA512
ce2ae12a4e5c3ab419f5aa623a5a21c31d22df4e3555b44da644e5344347d53e1b65eae44d6306fb563cce5ad8e193b7f701f7f49eff36f541d895ef9e13f372
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SSDEEP
3072:FlzAt7oScwptXd1PS7U4j4XuKnwEVoX6NJ/2m0W6U/gi7n7GEAWAC9emIQZfDHZS:Fs7ZtXTateu3EVM0EW6iZ77BAWEwrbG
Malware Config
Signatures
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UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule behavioral2/memory/1344-7-0x0000000000400000-0x000000000042A000-memory.dmp UPX behavioral2/memory/1344-8-0x00000000004B0000-0x00000000004DA000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 1344 2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnitmgr.exe -
Loads dropped DLL 1 IoCs
pid Process 1344 2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnitmgr.exe -
resource yara_rule behavioral2/memory/1344-7-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4812 1344 WerFault.exe 89 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2992 wrote to memory of 1344 2992 2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe 89 PID 2992 wrote to memory of 1344 2992 2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe 89 PID 2992 wrote to memory of 1344 2992 2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnitmgr.exeC:\Users\Admin\AppData\Local\Temp\2024-03-27_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnitmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1344 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 5163⤵
- Program crash
PID:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1344 -ip 13441⤵PID:2028
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_008f1e2855eef601ee3c2aa5fa9a8925_karagany_mafia_ramnitmgr.exe
Filesize184KB
MD51d92c741bc5b2d34dcd0a0265ab54275
SHA1a160982825420567c15f6c11f777cb4ccbe69bb8
SHA2563aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67
SHA5121da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219