a64a6a0ae6521ef4dc140dcb3ea44f18c7cebe6ee6fee03c7b3ce1d125065aad

General

Target

AWB-746262783-3.exe
Size

317KB
MD5

b12a47d8c210538c98d0bae4c80e3673
SHA1

7db0e6af04c83227a3553fd422a4c55833f6743c
SHA256

a64a6a0ae6521ef4dc140dcb3ea44f18c7cebe6ee6fee03c7b3ce1d125065aad
SHA512

0dcbbc05a8a5a8290446862bfebd4f8e86ca777e377bebd8758973ed250f752d4dbb9a415881f38e487a52fd8f6300f73bf6e50d45c8b6bb342d1e07a02cfd36

Score

7^/10

spyware

Malware Config

Signatures

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

rundll32.exe

pid process

1100 rundll32.exe
1100 rundll32.exe
1100 rundll32.exe
1100 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1512 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1512 MSBuild.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1512	MSBuild.exe

pid	process
1512	MSBuild.exe

Suspicious use of WriteProcessMemory 80 IoCs

Processes:

AWB-746262783-3.exerundll32.exe

description	pid	process	target process
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 272 wrote to memory of 1100	272	AWB-746262783-3.exe	rundll32.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1092	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1528	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1524	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe
PID 1100 wrote to memory of 1512	1100	rundll32.exe	MSBuild.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1100 rundll32.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeMSBuild.exe

pid process

1100 rundll32.exe
1100 rundll32.exe
1100 rundll32.exe
1100 rundll32.exe
1512 MSBuild.exe
1512 MSBuild.exe

pid	process
1100	rundll32.exe

pid	process
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1512	MSBuild.exe
1512	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\AWB-746262783-3.exe
"C:\Users\Admin\AppData\Local\Temp\AWB-746262783-3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:272

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe Fireside,Pretor
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1100

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
3⤵
PID:1092

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
3⤵
PID:1528

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
3⤵
PID:1524

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
PID:1512

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Fireside.DLL

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C:\Users\Admin\AppData\Local\Temp\Mantel

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\Users\Admin\AppData\Local\Temp\Fireside.dll

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memory/1100-0-0x0000000000000000-mapping.dmp

Download
memory/1512-4-0x0000000000000000-mapping.dmp

Download
memory/1512-5-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1512-6-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1512-7-0x0000000000000000-mapping.dmp

Download

Analysis

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