Analysis
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max time kernel
100s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
01-04-2022 04:54
Static task
static1
Behavioral task
behavioral1
Sample
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe
Resource
win10v2004-20220331-en
General
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Target
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe
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Size
4.2MB
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MD5
bbb9de0f35d59374d7267f983a3f362b
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SHA1
0c4df9e1941b1f555b867b016148409b51f49f63
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SHA256
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66
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SHA512
4f0138f6bc8c2c015bc37b2a8178bf0fa043af90e6d1a487f7f739486e16d53d0d3ba86d8d30a060d93a038f63bc6cad23531bba90ff3c3aa7c9fc76f2858097
Malware Config
Extracted
blackguard
https://win.mirtonewbacker.com/
Signatures
-
BlackGuard
Infostealer first seen in Late 2021.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 780 308 WerFault.exe c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exedescription pid process Token: SeDebugPrivilege 308 c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exedescription pid process target process PID 308 wrote to memory of 780 308 c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe WerFault.exe PID 308 wrote to memory of 780 308 c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe WerFault.exe PID 308 wrote to memory of 780 308 c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe"C:\Users\Admin\AppData\Local\Temp\c98e24c174130bba4836e08d24170866aa7128d62d3e2b25f3bc8562fdc74a66.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 308 -s 7482⤵
- Program crash
PID:780
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