Analysis
- max time kernel
130s - max time network
124s - platform
windows7_x64 - resource
win7-20231201-en - resource tags
arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system - submitted
11/12/2023, 07:56
Behavioral task
behavioral1
Sample
84e3df6b415ad077cb5bd639e67653c96f1bc7d26b016aae8784b92c34963fb0.dll
Resource
win7-20231201-en
windows7-x64
10 signatures
150 seconds
General
- Target 84e3df6b415ad077cb5bd639e67653c96f1bc7d26b016aae8784b92c34963fb0.dll
- Size 330KB
- Sample231211-jsn1tsada5
- SHA256 84e3df6b415ad077cb5bd639e67653c96f1bc7d26b016aae8784b92c34963fb0
- MD5 022208d4a5a39f35c4208f6d1015ec87
- SHA1 bd756c299f2d20870dc6fba073d52080ddf2c44c
- SHA512 f790c534a1984a962d1517ac49cfdfb2f557d7f5ca92b45b522426609958e0fd2f36cd11cfc2c471249ba6304f13cf24936ddac35cbb461f9ea53c1a414eb119
- SSDEEP 6144:+/VKP+xsudAM6JWGsSPhhStpC61i9VsKmIEUuW6Ndnrnx:+APssUw1LS7i9VsptUufrnx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Gh0st RAT payload 8 IoCs
resource yara_rule behavioral1/memory/2480-10-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-9-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-11-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-12-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-14-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-23-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-25-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat behavioral1/memory/2480-27-0x0000000002D70000-0x0000000002EF9000-memory.dmp family_gh0strat - Blocklisted process makes network request 4 IoCs
flow pid Process 5 2480 rundll32.exe 6 2480 rundll32.exe 7 2480 rundll32.exe 8 2480 rundll32.exe -
resource yara_rule behavioral1/memory/2480-6-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-10-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-9-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-11-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-12-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-14-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-23-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-25-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx behavioral1/memory/2480-27-0x0000000002D70000-0x0000000002EF9000-memory.dmp upx -
resource yara_rule behavioral1/memory/2480-1-0x0000000010000000-0x00000000100A4000-memory.dmp vmprotect behavioral1/memory/2480-0-0x0000000010000000-0x00000000100A4000-memory.dmp vmprotect behavioral1/memory/2480-22-0x0000000010000000-0x00000000100A4000-memory.dmp vmprotect - Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Y: rundll32.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe - Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe 2480 rundll32.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 2480 rundll32.exe Token: SeIncBasePriorityPrivilege 2480 rundll32.exe Token: 33 2480 rundll32.exe Token: SeIncBasePriorityPrivilege 2480 rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28 PID 2464 wrote to memory of 2480 2464 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\84e3df6b415ad077cb5bd639e67653c96f1bc7d26b016aae8784b92c34963fb0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\84e3df6b415ad077cb5bd639e67653c96f1bc7d26b016aae8784b92c34963fb0.dll,#12⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
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