Resubmissions
17/03/2021, 11:14
210317-18w814yayn511/12/2020, 06:15
201211-s3m1gmsy9e1010/12/2020, 17:48
201210-kdnjenxb5s1010/12/2020, 17:39
201210-y8eh5tnflx5Analysis
- max time kernel
123s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
10/12/2020, 17:39
Static task
static1
Behavioral task
behavioral1
Sample
PreviewDoc.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PreviewDoc.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target PreviewDoc.exe
- Size 506KB
- Sample201210-y8eh5tnflx
- SHA256 bcea99b1ec6fa52fec60589878c451266f260a8b4e2d8c85d700b3d24e0dce4b
- MD5 4e0da1ea4579f0bed86d480ab65a2010
- SHA1 2224403a67ef396718f3087c47521c8075d0f687
- SHA512 f8aa78fecbf11a8c9379bd12a3972b466cdcf73d25623a0f5c87b3e8fd1215be51c2d369da8c010bdf428d9f472f390655f2030a285a1c2967327917503a8264
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
- Bazar/Team9 Loader payload 2 IoCs
resource yara_rule behavioral2/memory/984-2-0x00000000008E0000-0x0000000000928000-memory.dmp BazarLoaderVar3 behavioral2/memory/984-3-0x0000000001F50000-0x0000000001F99000-memory.dmp BazarLoaderVar3 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 984 set thread context of 2720 984 PreviewDoc.exe 78 - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78 PID 984 wrote to memory of 2720 984 PreviewDoc.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\PreviewDoc.exe"C:\Users\Admin\AppData\Local\Temp\PreviewDoc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:984 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" -sf "C:\Users\Admin\AppData\Local\Temp\PreviewDoc.exe"2⤵PID:2720
-