zgrat | bc2612aeae58ca2f8eaee44f3da03e34fac8a6c95f5afc083d188587c684f349

General

Target

27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Size

2.9MB
MD5

27ac58d73248ebb72b350a1d0642e866
SHA1

88697d4f4d6e00a8ff29083a1a97c8d150f8939b
SHA256

bc2612aeae58ca2f8eaee44f3da03e34fac8a6c95f5afc083d188587c684f349
SHA512

db8c968b3415d02868bc0fb01cb6104504a058c3f6dd1769a8e56bb1c47ed830e2b8d8e9873cd6fbfd15dfff4d46999f1562cb06c8427d9b007108ad1793f998
SSDEEP

49152:LsOFQleKVdNyJly8CcE/mPPgugoRpPNYYjzB6Ri2rC66G4ioVq7oBRff:3aZvyJlAcEmPXzYLCzhiK4oB9

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 4 IoCs

resource	yara_rule
behavioral1/memory/2172-25-0x0000000000A80000-0x00000000012BA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2172-46-0x0000000000A80000-0x00000000012BA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2644-50-0x0000000000210000-0x0000000000A4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2644-53-0x0000000000210000-0x0000000000A4A000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	services32.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	services32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	services32.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	services32.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	services32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
2644	services32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows Mail\ja-JP\explorer32.exe	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
File opened for modification	C:\Program Files\Windows Sidebar\it-IT\svchost32.exe	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\de-DE\explorer32.exe	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
2644	services32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
Token: SeDebugPrivilege	2644	services32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2644	2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe	28
PID 2172 wrote to memory of 2644	2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe	28
PID 2172 wrote to memory of 2644	2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe	28
PID 2172 wrote to memory of 2644	2172	27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27ac58d73248ebb72b350a1d0642e866_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Recovery\8f9e55a2-d10b-11ee-8d36-fdfbfcab7b96\services32.exe
  "C:\Recovery\8f9e55a2-d10b-11ee-8d36-fdfbfcab7b96\services32.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Windows Sidebar\it-IT\svchost32.exe

Filesize
2.9MB

MD5
27ac58d73248ebb72b350a1d0642e866

SHA1
88697d4f4d6e00a8ff29083a1a97c8d150f8939b

SHA256
bc2612aeae58ca2f8eaee44f3da03e34fac8a6c95f5afc083d188587c684f349

SHA512
db8c968b3415d02868bc0fb01cb6104504a058c3f6dd1769a8e56bb1c47ed830e2b8d8e9873cd6fbfd15dfff4d46999f1562cb06c8427d9b007108ad1793f998

Download Submit
memory/2172-17-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-2-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-7-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-6-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-5-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-10-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-11-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-13-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-12-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-20-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-21-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-19-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-18-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-1-0x0000000076C21000-0x0000000076C22000-memory.dmp

Filesize
4KB

Download
memory/2172-4-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-16-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-0-0x0000000000A80000-0x00000000012BA000-memory.dmp

Filesize
8.2MB

Download
memory/2172-9-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-8-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-3-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-15-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-25-0x0000000000A80000-0x00000000012BA000-memory.dmp

Filesize
8.2MB

Download
memory/2172-14-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-43-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2172-44-0x0000000006050000-0x000000000688A000-memory.dmp

Filesize
8.2MB

Download
memory/2172-46-0x0000000000A80000-0x00000000012BA000-memory.dmp

Filesize
8.2MB

Download
memory/2172-47-0x0000000076C10000-0x0000000076D20000-memory.dmp

Filesize
1.1MB

Download
memory/2644-45-0x0000000000210000-0x0000000000A4A000-memory.dmp

Filesize
8.2MB

Download
memory/2644-50-0x0000000000210000-0x0000000000A4A000-memory.dmp

Filesize
8.2MB

Download
memory/2644-53-0x0000000000210000-0x0000000000A4A000-memory.dmp

Filesize
8.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads