Analysis
- max time kernel
90s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system - submitted
19/06/2024, 17:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe
Resource
win10v2004-20240611-en
18 signatures
150 seconds
General
- Target 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe
- Size 2.4MB
- Sample240619-vrj62avcpd
- SHA256 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf
- MD5 06b916a433ba1d50af4ce9d8c522c51a
- SHA1 2f91f7983f7ca59ad067244ed48bd474d14092d9
- SHA512 13f31163b2d824703f00459cd5590ac5e5dc80e48dd70445ac8bcfd110f275954586bb88d5060ec93be2356c8324ae50b987b3afe37b2446e73a6c371170c21b
- SSDEEP 49152:HeRZ2k0TAxG+id+hzNXbOYdk3SCeUxhHbSZ93N/:HuLkl/ZOZ9R
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
stealc
rc4.plain
Extracted
Family
-
vidar
C2
-
https://t.me/memve4erin
-
https://steamcommunity.com/profiles/76561199699680841
Attributes
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Extracted
Family
-
risepro
C2
-
5.42.67.8:50500
Signatures
- Detect Vidar Stealer 5 IoCs
resource yara_rule behavioral2/memory/3544-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3544-67-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3544-72-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3544-86-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3544-185-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 - RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
resource yara_rule behavioral2/files/0x0006000000025c8a-152.dat family_redline behavioral2/memory/2648-160-0x0000000000170000-0x00000000001D2000-memory.dmp family_redline - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 704 ECFHJKEBAA.exe 2648 IDGDAAKFHI.exe 3184 EGCFHDAKEC.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1604 set thread context of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 704 set thread context of 4124 704 ECFHJKEBAA.exe 82 PID 3184 set thread context of 2312 3184 EGCFHDAKEC.exe 90 - Program crash 2 IoCs
pid pid_target Process procid_target 2812 704 WerFault.exe 79 2496 3184 WerFault.exe 88 - Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1544 timeout.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3544 MSBuild.exe 3544 MSBuild.exe 3544 MSBuild.exe 3544 MSBuild.exe 2648 IDGDAAKFHI.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe Token: SeDebugPrivilege 2648 IDGDAAKFHI.exe Token: SeBackupPrivilege 2648 IDGDAAKFHI.exe Token: SeSecurityPrivilege 2648 IDGDAAKFHI.exe Token: SeSecurityPrivilege 2648 IDGDAAKFHI.exe Token: SeSecurityPrivilege 2648 IDGDAAKFHI.exe Token: SeSecurityPrivilege 2648 IDGDAAKFHI.exe - Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 1604 wrote to memory of 3544 1604 1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe 77 PID 3544 wrote to memory of 704 3544 MSBuild.exe 79 PID 3544 wrote to memory of 704 3544 MSBuild.exe 79 PID 3544 wrote to memory of 704 3544 MSBuild.exe 79 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 704 wrote to memory of 4124 704 ECFHJKEBAA.exe 82 PID 3544 wrote to memory of 2648 3544 MSBuild.exe 86 PID 3544 wrote to memory of 2648 3544 MSBuild.exe 86 PID 3544 wrote to memory of 2648 3544 MSBuild.exe 86 PID 3544 wrote to memory of 3184 3544 MSBuild.exe 88 PID 3544 wrote to memory of 3184 3544 MSBuild.exe 88 PID 3544 wrote to memory of 3184 3544 MSBuild.exe 88 PID 3184 wrote to memory of 4640 3184 EGCFHDAKEC.exe 89 PID 3184 wrote to memory of 4640 3184 EGCFHDAKEC.exe 89 PID 3184 wrote to memory of 4640 3184 EGCFHDAKEC.exe 89 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3184 wrote to memory of 2312 3184 EGCFHDAKEC.exe 90 PID 3544 wrote to memory of 2204 3544 MSBuild.exe 93 PID 3544 wrote to memory of 2204 3544 MSBuild.exe 93 PID 3544 wrote to memory of 2204 3544 MSBuild.exe 93 PID 2204 wrote to memory of 1544 2204 cmd.exe 95 PID 2204 wrote to memory of 1544 2204 cmd.exe 95 PID 2204 wrote to memory of 1544 2204 cmd.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe"C:\Users\Admin\AppData\Local\Temp\1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\ProgramData\ECFHJKEBAA.exe"C:\ProgramData\ECFHJKEBAA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:4124
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 2644⤵
- Program crash
PID:2812
-
-
-
C:\ProgramData\IDGDAAKFHI.exe"C:\ProgramData\IDGDAAKFHI.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
-
-
C:\ProgramData\EGCFHDAKEC.exe"C:\ProgramData\EGCFHDAKEC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:4640
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2312
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 2924⤵
- Program crash
PID:2496
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAFCGIJDAFBK" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1544
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 704 -ip 7041⤵PID:3988
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3184 -ip 31841⤵PID:3620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\ECFHJKEBAA.exe
- Size 1.8MB
- SHA256 9cf43d480f6319717934b1a3f97682a4454c1742e2409aa416ba719e606c34ca
- MD5 9f7d8785aa5e359848ebe4d771f3de8d
- SHA1 70161505853a4cb3b2dc7eb690bde8b0f23b4d82
- SHA512 b26659c8e24baf0b489198eb28aafa4e29b5728432f522d22202fb5c3d288bd2e33aec88feca1d84b56d42f2dbb369ef517c37815f2c216bae4722bd5dd7700e
- SSDEEP 49152:HFsPqXkdAgMR5MihEfpi6gm+tiS/g076kCW:HuPvMvqfpngm+tiS/g07+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\EGCFHDAKEC.exe
- Size 525KB
- SHA256 fa4491dbe5eb3d35c9f5884d746235769999d536d30033f4cf38633ce2343ede
- MD5 555259d9ac1f9da27667485bfc3ab9af
- SHA1 59d61d0aa693f28ba68b0de8fd3b11dc206b76c4
- SHA512 ee1e2b3ca43eff5384298c251f1f0b6184a8a892410f998e40202dbc1376da45a1af3643fd5f490c3cd3f1f5fd420759a121c892f969e016d2c0daf11209e45b
- SSDEEP 12288:4MLTuJtddskY7k1dyXbRQESs/mFKXuiPK0Lv:4zJth1IxQShPK0L
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\IDGDAAKFHI.exe
- Size 374KB
- SHA256 6f1f0ff69f7bf28a1116549249353fcbf944d8d559aaf9c3ecefddb08e341106
- MD5 4adf8628310c11bc5929175855d16cb6
- SHA1 10e2317fedbd27741212e89e0c2a1333bc775472
- SHA512 b3e5b61a6538fe9c14a40e9e144c0be6ea2b5b921d6f3158204a5ae408435191467a0d0054867199f4b0923d040d453f874ff1c004170aac57824171fe063734
- SSDEEP 6144:+GPyGjg1kIA4qceeEMUNMoOrqrWSD1zbKh2/encYPtpb:+G6GjmxA4qhnuoOGHhOLncYPb
- MD5 SHA1 SHA512 SSDEEP