Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2024 16:52
Static task
static1
Behavioral task
behavioral1
Sample
658a6fa6804da49a4c6da4d69a19ce5e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
658a6fa6804da49a4c6da4d69a19ce5e.exe
Resource
win10v2004-20231222-en
General
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Target
658a6fa6804da49a4c6da4d69a19ce5e.exe
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Size
451KB
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MD5
658a6fa6804da49a4c6da4d69a19ce5e
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SHA1
94174b9464f1f06541ed20fab90c3532eb6b270b
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SHA256
9039617680414a7f00e32f4df348c8ecd5be21dfb2366789e114cde1ed82be16
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SHA512
be2965670813d0b0446622cbde9d87fd8fd944459e99ceb402d3a6bdc56a64e781e48f53f74a0d2c220167bc51d67c859a5793ce5e43f507a8b136c546bfbf63
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SSDEEP
12288:d0r5G51U2pb4iORYtih9twqr/vvvzub+ER0CmSCq:dSm1U2pMiORYtGtr3nzuqEegC
Malware Config
Extracted
fickerstealer
91.241.19.100:80
Signatures
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Fickerstealer
Ficker is an infostealer written in Rust and ASM.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 38 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4784 set thread context of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96 -
Program crash 1 IoCs
pid pid_target Process procid_target 4064 4784 WerFault.exe 68 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 3240 svchost.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4784 wrote to memory of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96 PID 4784 wrote to memory of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96 PID 4784 wrote to memory of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96 PID 4784 wrote to memory of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96 PID 4784 wrote to memory of 1916 4784 658a6fa6804da49a4c6da4d69a19ce5e.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 2722⤵
- Program crash
PID:4064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4784 -ip 47841⤵PID:4664
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:2996
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3240
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
12B
MD58cf4dec152a9d79a3d62202b886eda9b
SHA10c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd