Analysis
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max time kernel
144s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
12-12-2023 15:47
Static task
static1
Behavioral task
behavioral1
Sample
4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe
Resource
win10-20231020-en
General
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Target
4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe
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Size
7.1MB
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MD5
0942a9e71444e1e115fc0009434bcea4
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SHA1
7578f74aaf4c600d9c5add98e630bf8babc0df0b
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SHA256
4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72
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SHA512
0aa91180faec25ef28fd61b0a2ed5439afa0edb04c19f6a932a6a2678b02958074884113a708d81de90917cfe601e3b43a2d6bd4809c4ec4ed820ffe5406d505
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SSDEEP
196608:Uxm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:iRepZKwaS79SoASGDP0Qwzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 4596 numgif.exe 5024 numgif.exe -
Loads dropped DLL 3 IoCs
pid Process 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.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 141.98.234.31 -
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-2VG0V.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-ME2QB.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OCPU8.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\uninstall\is-VHG8K.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3R9KO.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File opened for modification C:\Program Files (x86)\numGIF\uninstall\unins000.dat 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VFHC9.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QSRF3.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-294OT.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D5CTJ.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CC9VD.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-L4GF0.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\uninstall\unins000.dat 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-SCHFF.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EH97G.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MHPJ5.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DV3UB.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-EF5AB.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-NBDCR.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File opened for modification C:\Program Files (x86)\numGIF\numgif.exe 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-D2Q63.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-49V75.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-OQ5S9.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-7SSR9.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-181GG.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M3BMK.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-GD460.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\stuff\is-851PB.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-HAAQV.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-F883U.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\plugins\internal\is-VT2MI.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\stuff\is-E4QVK.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-TAQ9O.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\lessmsi\is-PF53B.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-LFRV7.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\stuff\is-6CECI.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FLL9A.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\is-TPB50.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-N1OEO.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-MG7PV.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-IS163.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-3VKQN.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9JK4T.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-U9FJ1.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-SHJBL.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-58PV6.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\stuff\is-2ODEH.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-CEALO.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-PGTBV.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-R1IJF.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-FNIK3.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-M30I7.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-139HD.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-9QU5R.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-97HF5.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VMIK6.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-28UKK.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-DT7F7.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-QTJCD.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-18GOR.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-VRUQD.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-P2VT7.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp File created C:\Program Files (x86)\numGIF\bin\x86\is-5FNC5.tmp 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4516 wrote to memory of 1596 4516 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe 70 PID 4516 wrote to memory of 1596 4516 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe 70 PID 4516 wrote to memory of 1596 4516 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe 70 PID 1596 wrote to memory of 5068 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 71 PID 1596 wrote to memory of 5068 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 71 PID 1596 wrote to memory of 5068 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 71 PID 1596 wrote to memory of 4596 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 73 PID 1596 wrote to memory of 4596 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 73 PID 1596 wrote to memory of 4596 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 73 PID 1596 wrote to memory of 552 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 76 PID 1596 wrote to memory of 552 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 76 PID 1596 wrote to memory of 552 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 76 PID 1596 wrote to memory of 5024 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 74 PID 1596 wrote to memory of 5024 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 74 PID 1596 wrote to memory of 5024 1596 4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp 74 PID 552 wrote to memory of 4992 552 net.exe 77 PID 552 wrote to memory of 4992 552 net.exe 77 PID 552 wrote to memory of 4992 552 net.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe"C:\Users\Admin\AppData\Local\Temp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Users\Admin\AppData\Local\Temp\is-4CKR3.tmp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp"C:\Users\Admin\AppData\Local\Temp\is-4CKR3.tmp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.tmp" /SL5="$8021C,7235080,121856,C:\Users\Admin\AppData\Local\Temp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:5068
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
PID:4596
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
PID:5024
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵PID:4992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
823KB
MD594bd4dde889d4275712e5bd8e41de25f
SHA1004ccc5adbe027e492076656ee27c48a8b6a5bde
SHA256dfe121417bfe0042ec74861060b65b2b2f46c681914f907654be5a026e020330
SHA512f32ca0d69790264cd95fd1fc9068af3acd8c116938b5c7a235de617a9e9b22a9e76a3dd818db510f09301d5a3c797ac4524d9d1323e2d52938a84272922907da
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Filesize
682KB
MD5d08d8d8286ead6ed755fc6239477fdea
SHA11548ac58433ca1c280f2992a2e68939f6362877d
SHA256e6158f022786429ebcfadec7e8722375136ed01c6facd01a54858c0b72e58077
SHA51270628e69c843446933caa93070853987d1e3f61364a00219920c56c15d0c9e0884307a7ff009169b0601cdc0f2806c177c2641448ec30f8644f6656d8fa7c7e8
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Filesize
46KB
MD5de83c7345802277cad6659205e0a97cc
SHA147aa2af24a3cb35c76b45abdcfc6aa4c9845d019
SHA2565d9e77961d77122beb0e460a3317adb6ee92883ddb4077ca739e3080f52ef107
SHA512d78fbd724296b0f9ba0f13703b21af8d6846b79fef9803abad6e0bc90f3f60debdf04496db9f7fc00004fe7b7fd657a98a5a4a0c1b8aed1fb70622405d177f5a
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C:\Users\Admin\AppData\Local\Temp\is-4CKR3.tmp\4594dff51c4980116d55a6ee83fff1d8c01185835af48643047e346e2e829d72.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