Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
12/05/2024, 01:46
Behavioral task
behavioral1
Sample
a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe
- Size 204KB
- Sample240512-b7erpsdf84
- SHA256 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a
- MD5 815baa9da59a19abe287cf82b9f74f25
- SHA1 b12ed48f64e45b41712c53c58a8441899c85465f
- SHA512 17cad0ef7287725771123a1235bedb30c48dd367a237ceb1277556c323718983124f3d13dd93e6a57d8e26936d1aade11a532a5fe7d7adcee29aad1a49633a3e
- SSDEEP 3072:DOfKQJcinxphkG5Q6GdpIOkJHhKRyOXK:DmKQJ5xEG2NpRbtX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Detects Windows executables referencing non-Windows User-Agents 6 IoCs
resource yara_rule behavioral2/memory/4528-48-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4528-50-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4528-45-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4528-56-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4528-53-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4528-60-0x0000000000400000-0x0000000000411000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - ModiLoader Second Stage 6 IoCs
resource yara_rule behavioral2/memory/4528-48-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 behavioral2/memory/4528-50-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 behavioral2/memory/4528-45-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 behavioral2/memory/4528-56-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 behavioral2/memory/4528-53-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 behavioral2/memory/4528-60-0x0000000000400000-0x0000000000411000-memory.dmp modiloader_stage2 - UPX dump on OEP (original entry point) 13 IoCs
resource yara_rule behavioral2/memory/3512-0-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/memory/1716-9-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1716-11-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1716-12-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3512-13-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/files/0x0005000000022ac7-29.dat UPX behavioral2/memory/4584-39-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/memory/4584-40-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/memory/4584-41-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/memory/4584-54-0x0000000000400000-0x0000000000433000-memory.dmp UPX behavioral2/memory/4352-55-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1716-57-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/4352-59-0x0000000000400000-0x000000000040B000-memory.dmp UPX - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe - Executes dropped EXE 3 IoCs
pid Process 4584 Flaseher.exe 4352 Flaseher.exe 4528 Flaseher.exe -
resource yara_rule behavioral2/memory/3512-0-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/1716-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1716-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1716-12-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3512-13-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/files/0x0005000000022ac7-29.dat upx behavioral2/memory/4584-39-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/4584-40-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/4584-41-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/4584-54-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/4352-55-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1716-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4352-59-0x0000000000400000-0x000000000040B000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\.Flasfh = "C:\\Users\\Admin\\AppData\\Roaming\\..Flash\\Flaseher.exe" reg.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3512 set thread context of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 4584 set thread context of 4352 4584 Flaseher.exe 93 PID 4584 set thread context of 4528 4584 Flaseher.exe 94 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe Token: SeDebugPrivilege 4352 Flaseher.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 4584 Flaseher.exe 4352 Flaseher.exe - Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 3512 wrote to memory of 1716 3512 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 87 PID 1716 wrote to memory of 2852 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 88 PID 1716 wrote to memory of 2852 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 88 PID 1716 wrote to memory of 2852 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 88 PID 2852 wrote to memory of 1912 2852 cmd.exe 91 PID 2852 wrote to memory of 1912 2852 cmd.exe 91 PID 2852 wrote to memory of 1912 2852 cmd.exe 91 PID 1716 wrote to memory of 4584 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 92 PID 1716 wrote to memory of 4584 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 92 PID 1716 wrote to memory of 4584 1716 a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe 92 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4352 4584 Flaseher.exe 93 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94 PID 4584 wrote to memory of 4528 4584 Flaseher.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"C:\Users\Admin\AppData\Local\Temp\a2c6f847acdd8452413d655dfb929abebffcba8713cf3464e5ba766c7f889b5a.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QVRFR.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f4⤵
- Adds Run key to start application
PID:1912
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C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4352
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C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"4⤵
- Executes dropped EXE
PID:4528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\QVRFR.txt
- Size 145B
- SHA256 7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed
- MD5 da0cbe87b720a79b294147ed6a4b98be
- SHA1 ebf0dc9efd7a12cb192e355cda87546acb4ab360
- SHA512 f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
- Size 204KB
- SHA256 f5d0088e79bd407c96fe458f2c29436b820024e20e195ecde8275f19f263139d
- MD5 94162ab25f33106149f817955ef170be
- SHA1 046586941f3be161183295045e6994ee13f8e3bb
- SHA512 a5ee31dbb571f8df41ed4e33ca6ff69825e896a6d0a261a0c14ec2cd962a8c10700737e061800ad42d62e4e83676c0ee07822963a0ca2ad5f0f883cd83710d2b
- SSDEEP 3072:DOfKQJcinxphkG5Q6GdpIOkJHhKRyOXK:DmKQJ5xEG2NpRbtX
- MD5 SHA1 SHA512 SSDEEP