2a597efb320aa3623d1334017ab18e1df8a6d25ae5455dd735ee20072844bb38

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 17:30

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General

Target
RFQ Commercial Doc_935750101.exe
Size 635KB
Sample240402-v29jnsge3w
SHA256 2a597efb320aa3623d1334017ab18e1df8a6d25ae5455dd735ee20072844bb38
MD5 775f9d7a8a8868e261740f820097879f
SHA1 6122888a3a40d43e9d7299004f33b5f2366d32e7
SHA512 5ae44c96dc673059db9d497e69df93ea829a8c781276effe7619d5405c83d4d2160912db88d37df78b283d7613136792a9ae98a016a7559b7a083950f8c10352
SSDEEP 12288:yXRAvufNFTr7LYzGwu13luASEncyaAI9wHhf8/qOruhxqwDwmuu6TNxFu+M:yXRyUNJr7LYzGN94wJSXExPqu6hxFu9
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\skillfully.ins	RFQ Commercial Doc_935750101.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\ukases.lnk	RFQ Commercial Doc_935750101.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\resources\tuskish\smilehuller.lnk	RFQ Commercial Doc_935750101.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	932	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	932	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 932	928	RFQ Commercial Doc_935750101.exe	89
PID 928 wrote to memory of 932	928	RFQ Commercial Doc_935750101.exe	89
PID 928 wrote to memory of 932	928	RFQ Commercial Doc_935750101.exe	89
PID 932 wrote to memory of 1580	932	powershell.exe	93
PID 932 wrote to memory of 1580	932	powershell.exe	93
PID 932 wrote to memory of 1580	932	powershell.exe	93

C:\Users\Admin\AppData\Local\Temp\RFQ Commercial Doc_935750101.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ Commercial Doc_935750101.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Chairman=Get-Content 'C:\Users\Admin\AppData\Local\Ubarberet\Obelisking\Testpilot\Polr\rias.spr';$Ufredeliges=$Chairman.SubString(60423,3);.$Ufredeliges($Chairman)"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:932
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
    3⤵
    PID:1580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 2116
    3⤵
    - Program crash
    PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 932 -ip 932
1⤵
PID:3200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_medexxrk.x15.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_medexxrk.x15.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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rias.spr

Path C:\Users\Admin\AppData\Local\Ubarberet\Obelisking\Testpilot\Polr\rias.spr
Size 59KB
SHA256 3267ecbbe963e960960b5121f667fcecce879d516b6d4498a0efc14efc2bb343
MD5 0c5e9f0e4d2708bc326be78b653970aa
SHA1 942d68585c176c63b29b976cf153ae4448cd866b
SHA512 cec9df4e09e5c2938eb575f2c29e135eca8eb77fa6bff16e0d7147b98cba77f205817486766c525be5cb2ddb5c2148c09de9d4d45927faf6d75d2a1657100d83
SSDEEP 1536:s5Re7ege7ty1xHnMw8FTaO1d9UFwzOjgstphVThlJ:se7641hnUuanqhVTN
MD5 SHA1 SHA512 SSDEEP

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memory/932-23-0x0000000006420000-0x0000000006774000-memory.dmp

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memory/932-24-0x00000000068A0000-0x00000000068BE000-memory.dmp

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memory/932-12-0x0000000006160000-0x00000000061C6000-memory.dmp

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memory/932-13-0x00000000061D0000-0x0000000006236000-memory.dmp

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memory/932-9-0x00000000031F0000-0x0000000003200000-memory.dmp

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memory/932-11-0x0000000005880000-0x00000000058A2000-memory.dmp

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memory/932-7-0x0000000005290000-0x00000000052C6000-memory.dmp

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memory/932-10-0x0000000005900000-0x0000000005F28000-memory.dmp

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memory/932-25-0x0000000006950000-0x000000000699C000-memory.dmp

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memory/932-28-0x0000000006E20000-0x0000000006E42000-memory.dmp

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memory/932-27-0x0000000006DD0000-0x0000000006DEA000-memory.dmp

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memory/932-26-0x0000000007870000-0x0000000007906000-memory.dmp

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memory/932-29-0x0000000007EC0000-0x0000000008464000-memory.dmp

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memory/932-8-0x0000000073C20000-0x00000000743D0000-memory.dmp

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memory/932-31-0x0000000008AF0000-0x000000000916A000-memory.dmp

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memory/932-33-0x0000000073C20000-0x00000000743D0000-memory.dmp

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