a6f10947d6c37b62a4c0f5e4d0d32cc826a957c7d1026f316d5651262c4f0b24

Analysis

max time kernel
148s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2023, 23:11

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General

Target

Unpacked/Dyre_Unpacked.exe
Size

1.0MB
MD5

4d1d43789e038c6a03c07083ca0b0809
SHA1

8c4d87363a4a2352847923091b9ddfa6891f2807
SHA256

05edcc3e5679ee254c78058c4f446e195544d3ff3374bd141c1895e7ed6a410b
SHA512

32de7891671af7049b22f8384735fbd342413b2dcafc1c3d94cfa773079e10a006fe21af730558a2839c1b07deb1edd3462b07bed777a5f306863991b9709710
SSDEEP

6144:rj7W89i5WWwR7A7XJfZ4FFhDhMWwR7A7XJVgNgG7:rjntWqA7X5Z+NMWqA7XOgG

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3628	googleupdaterr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows\CurrentVersion\Run	googleupdaterr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Users\\Admin\\AppData\\Local\\googleupdaterr.exe"	googleupdaterr.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D1BFA9D4-8234-4475-9AE3-9EA434FC959F}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Process not Found

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3628	googleupdaterr.exe
3628	googleupdaterr.exe
3628	googleupdaterr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3164	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3628	googleupdaterr.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3164	Process not Found
Token: SeCreatePagefilePrivilege	3164	Process not Found
Token: SeShutdownPrivilege	3164	Process not Found
Token: SeCreatePagefilePrivilege	3164	Process not Found
Token: SeShutdownPrivilege	3164	Process not Found
Token: SeCreatePagefilePrivilege	3164	Process not Found
Token: SeShutdownPrivilege	3164	Process not Found
Token: SeCreatePagefilePrivilege	3164	Process not Found
Token: SeDebugPrivilege	3164	Process not Found

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3164	Process not Found
3164	Process not Found
3164	Process not Found

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3164	Process not Found
3164	Process not Found
3164	Process not Found

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3164	Process not Found

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 3628	2840	Dyre_Unpacked.exe	83
PID 2840 wrote to memory of 3628	2840	Dyre_Unpacked.exe	83
PID 2840 wrote to memory of 3628	2840	Dyre_Unpacked.exe	83

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Unpacked\Dyre_Unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\Unpacked\Dyre_Unpacked.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\googleupdaterr.exe
  C:\Users\Admin\AppData\Local\Temp\Unpacked\Dyre_Unpacked.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3628

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\wsuCAF1.tmp

Filesize
14KB

MD5
c01eaa0bdcd7c30a42bbb35a9acbf574

SHA1
0aee3e1b873e41d040f1991819d0027b6cc68f54

SHA256
32297224427103aa1834dba276bf5d49cd5dd6bda0291422e47ad0d0706c6d40

SHA512
d26ff775ad39425933cd3df92209faa53ec5b701e65bfbcccc64ce8dd3e79f619a9bad7cc975a98a95f2006ae89e50551877fc315a3050e48d5ab89e0802e2b7

Download Submit
C:\Users\Admin\AppData\Local\googleupdaterr.exe

Filesize
1.0MB

MD5
4d1d43789e038c6a03c07083ca0b0809

SHA1
8c4d87363a4a2352847923091b9ddfa6891f2807

SHA256
05edcc3e5679ee254c78058c4f446e195544d3ff3374bd141c1895e7ed6a410b

SHA512
32de7891671af7049b22f8384735fbd342413b2dcafc1c3d94cfa773079e10a006fe21af730558a2839c1b07deb1edd3462b07bed777a5f306863991b9709710

Download Submit
C:\Users\Admin\AppData\Local\googleupdaterr.exe

Filesize
1.0MB

MD5
4d1d43789e038c6a03c07083ca0b0809

SHA1
8c4d87363a4a2352847923091b9ddfa6891f2807

SHA256
05edcc3e5679ee254c78058c4f446e195544d3ff3374bd141c1895e7ed6a410b

SHA512
32de7891671af7049b22f8384735fbd342413b2dcafc1c3d94cfa773079e10a006fe21af730558a2839c1b07deb1edd3462b07bed777a5f306863991b9709710

Download Submit
memory/3164-139-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download
memory/3164-140-0x0000000001130000-0x0000000001159000-memory.dmp

Filesize
164KB

Download
memory/3164-142-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download
memory/3164-174-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download