Analysis
- max time kernel
155s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
05/02/2024, 17:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20231215-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20231215-en
12 signatures
150 seconds
General
- Target tmp.exe
- Size 692KB
- Sample240205-vld3tscff4
- SHA256 860318a9982e93b8833e68bef2e4d70d81ed06747571ffb9312dacf4a2ae2855
- MD5 203be5c7c37fcaea3ee5f1101e310abd
- SHA1 3041d34cb5a1a4b1a0c5f0f1ae3389b8d8e16c9d
- SHA512 9cde98d27be7e7b794e20d36747ab0b74776f19fb69a6f96b772248350a18dc13223f9fb547fb96e05cf92185af0b18fcf5e57f3f613ac252e80cd19b41e6278
- SSDEEP 12288:SfV3CVqJtda2YQm1Zp6Ed16Ajp8rTGlzDxkZ7ba3EBgi:Sd3CsJnYQM/6Ed16Ajy40ba3EZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
systembc
C2
-
69.10.60.115:4018
Signatures
- Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/2580-2-0x0000000005450000-0x00000000054E8000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-3-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-4-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-6-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-8-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-10-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-12-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-14-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-16-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-18-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-20-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-22-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-24-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-26-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-28-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-30-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-32-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-34-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-36-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-38-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-40-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-42-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-44-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-46-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-48-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-50-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-52-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-54-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-56-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-58-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-60-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-62-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-64-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 behavioral2/memory/2580-66-0x0000000005450000-0x00000000054E1000-memory.dmp family_zgrat_v1 - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 1108 dpuo.exe 4928 dpuo.exe 1732 dpuo.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rnpbix = "C:\\Users\\Admin\\AppData\\Roaming\\Rnpbix.exe" tmp.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp.exe'\"" tmp.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dpuo.exe.log dpuo.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2580 set thread context of 2380 2580 tmp.exe 91 PID 1108 set thread context of 4928 1108 dpuo.exe 93 - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Tasks\qvhxrabvgumnjsoendm.job tmp.exe File opened for modification C:\Windows\Tasks\qvhxrabvgumnjsoendm.job tmp.exe - Modifies data under HKEY_USERS 2 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\\Microsoft\\Windows\\CurrentVersion\\Run dpuo.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\dpuo.exe'\"" dpuo.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2580 tmp.exe Token: SeDebugPrivilege 1108 dpuo.exe Token: SeDebugPrivilege 1732 dpuo.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 2580 wrote to memory of 2380 2580 tmp.exe 91 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93 PID 1108 wrote to memory of 4928 1108 dpuo.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Users\Admin\AppData\Local\Temp\tmp.exeC:\Users\Admin\AppData\Local\Temp\tmp.exe2⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:2380
-
-
C:\Users\Admin\AppData\Local\Temp\dpuo.exeC:\Users\Admin\AppData\Local\Temp\dpuo.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\dpuo.exeC:\Users\Admin\AppData\Local\Temp\dpuo.exe2⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4928
-
-
C:\Users\Admin\AppData\Local\Temp\dpuo.exeC:\Users\Admin\AppData\Local\Temp\dpuo.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\dpuo.exe
- Size 692KB
- SHA256 860318a9982e93b8833e68bef2e4d70d81ed06747571ffb9312dacf4a2ae2855
- MD5 203be5c7c37fcaea3ee5f1101e310abd
- SHA1 3041d34cb5a1a4b1a0c5f0f1ae3389b8d8e16c9d
- SHA512 9cde98d27be7e7b794e20d36747ab0b74776f19fb69a6f96b772248350a18dc13223f9fb547fb96e05cf92185af0b18fcf5e57f3f613ac252e80cd19b41e6278
- SSDEEP 12288:SfV3CVqJtda2YQm1Zp6Ed16Ajp8rTGlzDxkZ7ba3EBgi:Sd3CsJnYQM/6Ed16Ajy40ba3EZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dpuo.exe.log
- Size 927B
- SHA256 264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
- MD5 4a911455784f74e368a4c2c7876d76f4
- SHA1 a1700a0849ffb4f26671eb76da2489946b821c34
- SHA512 4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
- MD5 SHA1 SHA512