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Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
12/12/2023, 15:13
Static task
static1
Behavioral task
behavioral1
Sample
tuc5.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
tuc5.exe
Resource
win10v2004-20231130-en
General
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Target
tuc5.exe
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Size
7.2MB
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MD5
bedcb52d0e7989294eed27e5a020864a
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SHA1
23f359ac38b020713c26691f6808769d02327ce6
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SHA256
83ebc0522cc0f2c4541c38c6924781b38c3ce0cb8564874e2c195e725927a8fe
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SHA512
67c2d5445019574d6a70dee6b3a58cdb32d94ddd8267199cb32ed1ab41d1836b923a6f78f058dc14e630e14a84eb8045ceb8f3c8bffd391ee208bbcda532229c
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SSDEEP
196608:6xm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:ccjEEAJWEh65C30GW9lCkzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2328 tuc5.tmp 2000 numgif.exe 268 numgif.exe -
Loads dropped DLL 6 IoCs
pid Process 460 tuc5.exe 2328 tuc5.tmp 2328 tuc5.tmp 2328 tuc5.tmp 2328 tuc5.tmp 2328 tuc5.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 Destination IP 194.49.94.194 -
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)\numGIF\bin\x86\is-URFOR.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VB412.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-86P6K.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-A5BEN.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-6K2BN.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\stuff\is-BDO1L.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9N58P.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DD83V.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-V2CPO.tmp tuc5.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc5.tmp File created C:\Program Files (x86)\numGIF\stuff\is-DDCE8.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PLJGR.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LHJJR.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EAR3G.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PFPJB.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EI0QF.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-07OM6.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-PMU3D.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\stuff\is-05DL0.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\stuff\is-J3BGT.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-8GDRT.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KSU5B.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-KQPFC.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OQG5N.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HBFUO.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IBOJQ.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NUD7O.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0KK2T.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HO628.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-O8HNG.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-45AKG.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-0PSHF.tmp tuc5.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VHI8J.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B6UQF.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-68POJ.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-34N19.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CC50B.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-B224M.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SE8TV.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MNOBQ.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-R3FH4.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-V9IT7.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ORAVK.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-16KRQ.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IVO6M.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-JBL98.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-Q935R.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BFSP3.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5F6OT.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\is-TS6JE.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EP1GR.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-S8LJD.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-IIQKS.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SLTE8.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EKUB4.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M58LN.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-GDMLS.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HQ9NI.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-BC0JQ.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VFDTP.tmp tuc5.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-R7IOU.tmp tuc5.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2328 tuc5.tmp -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 460 wrote to memory of 2328 460 tuc5.exe 28 PID 2328 wrote to memory of 1944 2328 tuc5.tmp 29 PID 2328 wrote to memory of 1944 2328 tuc5.tmp 29 PID 2328 wrote to memory of 1944 2328 tuc5.tmp 29 PID 2328 wrote to memory of 1944 2328 tuc5.tmp 29 PID 2328 wrote to memory of 2000 2328 tuc5.tmp 31 PID 2328 wrote to memory of 2000 2328 tuc5.tmp 31 PID 2328 wrote to memory of 2000 2328 tuc5.tmp 31 PID 2328 wrote to memory of 2000 2328 tuc5.tmp 31 PID 2328 wrote to memory of 580 2328 tuc5.tmp 32 PID 2328 wrote to memory of 580 2328 tuc5.tmp 32 PID 2328 wrote to memory of 580 2328 tuc5.tmp 32 PID 2328 wrote to memory of 580 2328 tuc5.tmp 32 PID 2328 wrote to memory of 268 2328 tuc5.tmp 33 PID 2328 wrote to memory of 268 2328 tuc5.tmp 33 PID 2328 wrote to memory of 268 2328 tuc5.tmp 33 PID 2328 wrote to memory of 268 2328 tuc5.tmp 33 PID 580 wrote to memory of 1356 580 net.exe 35 PID 580 wrote to memory of 1356 580 net.exe 35 PID 580 wrote to memory of 1356 580 net.exe 35 PID 580 wrote to memory of 1356 580 net.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Users\Admin\AppData\Local\Temp\is-EVGRU.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-EVGRU.tmp\tuc5.tmp" /SL5="$90156,7269570,121856,C:\Users\Admin\AppData\Local\Temp\tuc5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1944
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:2000
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:1356
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:268
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.1MB
MD58a9a057f29c3f7f934daaf8b7908a5ad
SHA169ca85e99c34cdf88db6d9e3baaa7dcfca4477a0
SHA256854e5a5613b69c1598cc9a60c1f01985173a43f9028a99aac95f5c5283b5b3eb
SHA5123184473e21dfb21cd350be659549268d4a05f6e4f480ed2c1a5cb6ed4f875ee797e36af98c1b692eef8aa71531ffad45309dd6c09433d3c366a874e92a4ddef1
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4