zgrat | e42321f773a5f8174447c076215512256e66f6eb444aa5bfc606b202ea3f5cc2

Analysis

max time kernel
127s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 07:33

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General

Target

3e625179be9cd699e083be99f675559b_JaffaCakes118.exe
Size

890KB
MD5

3e625179be9cd699e083be99f675559b
SHA1

fa6929c60858cb0fc881936b471aa0b8135f0981
SHA256

e42321f773a5f8174447c076215512256e66f6eb444aa5bfc606b202ea3f5cc2
SHA512

fb13b898409fdb31713fd4ecca3670e4abac4b832615d45f19351116bebd2dabd612e6e374054f21995479552e3232c8fb764b7df284d884c666a28a3c534a36
SSDEEP

12288:tSXVZYRS9BB/1qfhGOOk0Cpya8BUf2T20kWb/rI2H+1PKCN8ZeIimEHJCRzy0dTZ:0XB6f81Cpyd+Ps81V/0Xt+6L0/lY

Score

10^/10

zgrat evasion rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/4600-5-0x000000001C860000-0x000000001C8DC000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518

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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	3e625179be9cd699e083be99f675559b_JaffaCakes118.exe
Token: SeBackupPrivilege	4424	dw20.exe
Token: SeBackupPrivilege	4424	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 4424	4600	3e625179be9cd699e083be99f675559b_JaffaCakes118.exe	92
PID 4600 wrote to memory of 4424	4600	3e625179be9cd699e083be99f675559b_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\3e625179be9cd699e083be99f675559b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3e625179be9cd699e083be99f675559b_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
  dw20.exe -x -s 1456
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4424

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4080,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
1⤵
PID:972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Software Discovery

T1518

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4600-0-0x00007FFFE6295000-0x00007FFFE6296000-memory.dmp

Filesize
4KB

Download
memory/4600-1-0x00007FFFE5FE0000-0x00007FFFE6981000-memory.dmp

Filesize
9.6MB

Download
memory/4600-2-0x000000001C240000-0x000000001C70E000-memory.dmp

Filesize
4.8MB

Download
memory/4600-3-0x00007FFFE5FE0000-0x00007FFFE6981000-memory.dmp

Filesize
9.6MB

Download
memory/4600-4-0x000000001BC70000-0x000000001BD0C000-memory.dmp

Filesize
624KB

Download
memory/4600-5-0x000000001C860000-0x000000001C8DC000-memory.dmp

Filesize
496KB

Download
memory/4600-6-0x000000001CF60000-0x000000001CFBE000-memory.dmp

Filesize
376KB

Download
memory/4600-13-0x00007FFFE5FE0000-0x00007FFFE6981000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads