Analysis
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max time kernel
146s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
11-12-2023 00:51
Static task
static1
Behavioral task
behavioral1
Sample
4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe
Resource
win10-20231023-en
General
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Target
4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe
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Size
6.9MB
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MD5
9fcbd003529b04658766129cc3fb27a0
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SHA1
cda788d614219a9b53baa20f18f2f5e241d81a2b
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SHA256
4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82
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SHA512
3af087e33ecdf15483308c2df278c56963a5c601b4fe0bb76a6dddd1c6756a638a92fcd778791a54a904f0b575e08e6d09d29abb4f5556e07153e39eff3f781b
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SSDEEP
196608:HA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:zBmakyVnlUQ7Wz3Tv1jNTh0zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 5048 crtgame.exe 5108 crtgame.exe -
Loads dropped DLL 3 IoCs
pid Process 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.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 81.31.197.38 -
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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Drops file in Program Files directory 63 IoCs
description ioc Process File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-1MOL1.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File opened for modification C:\Program Files (x86)\CRTGame\uninstall\unins000.dat 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-PU08C.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-H5V0F.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-0PJ5R.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-LQ9JQ.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2Q3KP.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-0H4T3.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-0P82R.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5LVSH.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-VCUHU.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-634G3.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QS4Q2.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-N73D9.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-3HREE.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QQD2B.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-U55PP.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-8LHD4.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-DA0H4.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-JGT4E.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-54ISH.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-SGQ9P.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-N2593.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2SCFA.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-ECTR8.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\uninstall\unins000.dat 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-BT973.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-Q7SE2.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-IKI37.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-F1B4U.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-JI7R8.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-CAT69.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-9SIB7.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-LD2UR.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-2NLHA.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-0KAO2.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-DV074.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File opened for modification C:\Program Files (x86)\CRTGame\crtgame.exe 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-IU3AR.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5M3CJ.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\uninstall\is-EQEAM.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-Q4254.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-F824A.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2O0HB.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-VIM7C.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-K0E0R.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-A2IUK.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-V8HBU.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-H14H1.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-KKE1B.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-85MPM.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\lessmsi\is-KOUH4.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\is-MB9SN.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-O5B24.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-KLDN6.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-DOUEI.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5U5IU.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QPMK2.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-F93Q5.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-7MICI.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-SGCD4.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-MRFHD.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-KQTAA.tmp 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2436 wrote to memory of 224 2436 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe 71 PID 2436 wrote to memory of 224 2436 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe 71 PID 2436 wrote to memory of 224 2436 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe 71 PID 224 wrote to memory of 3728 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 72 PID 224 wrote to memory of 3728 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 72 PID 224 wrote to memory of 3728 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 72 PID 224 wrote to memory of 5048 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 74 PID 224 wrote to memory of 5048 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 74 PID 224 wrote to memory of 5048 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 74 PID 224 wrote to memory of 4792 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 75 PID 224 wrote to memory of 4792 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 75 PID 224 wrote to memory of 4792 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 75 PID 224 wrote to memory of 5108 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 76 PID 224 wrote to memory of 5108 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 76 PID 224 wrote to memory of 5108 224 4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp 76 PID 4792 wrote to memory of 4176 4792 net.exe 78 PID 4792 wrote to memory of 4176 4792 net.exe 78 PID 4792 wrote to memory of 4176 4792 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe"C:\Users\Admin\AppData\Local\Temp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\is-QIEHP.tmp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp"C:\Users\Admin\AppData\Local\Temp\is-QIEHP.tmp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp" /SL5="$8020A,6977575,54272,C:\Users\Admin\AppData\Local\Temp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3728
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
PID:5048
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵PID:4176
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
PID:5108
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5e9f17707ac869859181f512cd26ce1c9
SHA1da685cce3a07dc0fe302fd2953ef5d682d58ea90
SHA256825adb4cb11c9cfc85c742fee59361140229f5c1319d4430ad4f24d9c1e76ee8
SHA5123863a982e71e4fdb9af798f2c9c92768d1812b0277a00858e48fa7cbced9ae75c9bfe9946bbdf6179343f76cd0cf109793475d7682889492ce0073731ddc7270
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C:\Users\Admin\AppData\Local\Temp\is-QIEHP.tmp\4685d9c2bfbece6a69f19d8cb857bd2a78cc82b247f15026f1eeb6ef4c2a0e82.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303