Analysis
- max time kernel
149s - max time network
34s - platform
windows7_x64 - resource
win7v20210408 - submitted
09/09/2021, 11:54
Static task
static1
Behavioral task
behavioral1
Sample
97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll
- Size 1.7MB
- Sample210909-n2x3babcbm
- SHA256 97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67
- MD5 61ab8fb7a78b1e3f7ba15ccd7dc96e69
- SHA1 edbac7d8ae2966a71a7c46b5700e52ac6c1d41ba
- SHA512 a020ee50aea6bb23b58aff5dd3a36f425d2575d3ee8c45d161f5d5cb27c66adc2060c434904b6bb09a791113df6f1025239765a81db325bc60f6fcf987fd192a
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/1220-62-0x0000000003AD0000-0x0000000003AD1000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 1984 rdrleakdiag.exe 1884 msconfig.exe 1888 dialer.exe - Loads dropped DLL 7 IoCs
pid Process 1220 Process not Found 1984 rdrleakdiag.exe 1220 Process not Found 1884 msconfig.exe 1220 Process not Found 1888 dialer.exe 1220 Process not Found - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Axiifu = "C:\\Users\\Admin\\AppData\\Roaming\\MACROM~1\\FLASHP~1\\#SHARE~1\\F7RBUR3H\\LT31EU~1\\msconfig.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rdrleakdiag.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA msconfig.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dialer.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1220 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1220 wrote to memory of 1148 1220 Process not Found 29 PID 1220 wrote to memory of 1148 1220 Process not Found 29 PID 1220 wrote to memory of 1148 1220 Process not Found 29 PID 1220 wrote to memory of 1984 1220 Process not Found 30 PID 1220 wrote to memory of 1984 1220 Process not Found 30 PID 1220 wrote to memory of 1984 1220 Process not Found 30 PID 1220 wrote to memory of 1212 1220 Process not Found 31 PID 1220 wrote to memory of 1212 1220 Process not Found 31 PID 1220 wrote to memory of 1212 1220 Process not Found 31 PID 1220 wrote to memory of 1884 1220 Process not Found 32 PID 1220 wrote to memory of 1884 1220 Process not Found 32 PID 1220 wrote to memory of 1884 1220 Process not Found 32 PID 1220 wrote to memory of 1636 1220 Process not Found 33 PID 1220 wrote to memory of 1636 1220 Process not Found 33 PID 1220 wrote to memory of 1636 1220 Process not Found 33 PID 1220 wrote to memory of 1888 1220 Process not Found 34 PID 1220 wrote to memory of 1888 1220 Process not Found 34 PID 1220 wrote to memory of 1888 1220 Process not Found 34
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2044
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C:\Windows\system32\rdrleakdiag.exeC:\Windows\system32\rdrleakdiag.exe1⤵PID:1148
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C:\Users\Admin\AppData\Local\iAE\rdrleakdiag.exeC:\Users\Admin\AppData\Local\iAE\rdrleakdiag.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1984
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C:\Windows\system32\msconfig.exeC:\Windows\system32\msconfig.exe1⤵PID:1212
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C:\Users\Admin\AppData\Local\ARmGA\msconfig.exeC:\Users\Admin\AppData\Local\ARmGA\msconfig.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1884
-
C:\Windows\system32\dialer.exeC:\Windows\system32\dialer.exe1⤵PID:1636
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C:\Users\Admin\AppData\Local\Po4SdRzH\dialer.exeC:\Users\Admin\AppData\Local\Po4SdRzH\dialer.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1888