zgrat | 6c837712d79a2e35466da0fc55cfcc3d6ac53cfa9128093edae2a14903eac342

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 00:20

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General

Target

2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe
Size

452KB
MD5

2c69efb5dbbf183c881d780a5a115cf7
SHA1

898b22dcd207b6a8d9e9035f1fe0b41b0092cc1f
SHA256

6c837712d79a2e35466da0fc55cfcc3d6ac53cfa9128093edae2a14903eac342
SHA512

c231c8bd865b1ffa87d6986c3989268ff94919c868816a24285d2f72ae083a5b8299b000057202c7b4708edc2489129125af0c02dcea5320abd9cd6f4e78e3f0
SSDEEP

12288:rO15Pyr8/YYGgwoOcMwtB8iwYO+UVxLZGd8mKh:6+S4gwXw8hxL4d8

Score

10^/10

zgrat agilenet collection rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

resource	yara_rule
behavioral2/memory/3516-5-0x0000000007AE0000-0x0000000007B18000-memory.dmp	family_zgrat_v1
behavioral2/memory/4104-15-0x00000000051B0000-0x00000000051E8000-memory.dmp	family_zgrat_v1

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.lnk	app.exe

Executes dropped EXE 2 IoCs

pid	Process
4104	app.exe
2520	app.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/3516-5-0x0000000007AE0000-0x0000000007B18000-memory.dmp	agile_net
behavioral2/memory/4104-15-0x00000000051B0000-0x00000000051E8000-memory.dmp	agile_net

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
27	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4104 set thread context of 2520	4104	app.exe	97

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
2520	app.exe
2520	app.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe
Token: SeDebugPrivilege	4104	app.exe
Token: SeDebugPrivilege	2520	app.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2520	app.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 2068	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	88
PID 3516 wrote to memory of 2068	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	88
PID 3516 wrote to memory of 2068	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	88
PID 3516 wrote to memory of 3688	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	90
PID 3516 wrote to memory of 3688	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	90
PID 3516 wrote to memory of 3688	3516	2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe	90
PID 1592 wrote to memory of 4104	1592	explorer.exe	92
PID 1592 wrote to memory of 4104	1592	explorer.exe	92
PID 1592 wrote to memory of 4104	1592	explorer.exe	92
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97
PID 4104 wrote to memory of 2520	4104	app.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe

C:\Users\Admin\AppData\Local\Temp\2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\2c69efb5dbbf183c881d780a5a115cf7_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Drops startup file
  PID:2068
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  PID:3688

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4104
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\app.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe

Filesize
452KB

MD5
2c69efb5dbbf183c881d780a5a115cf7

SHA1
898b22dcd207b6a8d9e9035f1fe0b41b0092cc1f

SHA256
6c837712d79a2e35466da0fc55cfcc3d6ac53cfa9128093edae2a14903eac342

SHA512
c231c8bd865b1ffa87d6986c3989268ff94919c868816a24285d2f72ae083a5b8299b000057202c7b4708edc2489129125af0c02dcea5320abd9cd6f4e78e3f0

Download Submit
memory/2520-26-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/2520-25-0x0000000006200000-0x000000000620A000-memory.dmp

Filesize
40KB

Download
memory/2520-24-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/2520-23-0x0000000004A50000-0x0000000004A68000-memory.dmp

Filesize
96KB

Download
memory/2520-22-0x0000000000500000-0x0000000000536000-memory.dmp

Filesize
216KB

Download
memory/3516-8-0x0000000002F10000-0x0000000002F1A000-memory.dmp

Filesize
40KB

Download
memory/3516-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/3516-12-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3516-7-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3516-6-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/3516-5-0x0000000007AE0000-0x0000000007B18000-memory.dmp

Filesize
224KB

Download
memory/3516-4-0x0000000007B10000-0x0000000007BA2000-memory.dmp

Filesize
584KB

Download
memory/3516-3-0x0000000008020000-0x00000000085C4000-memory.dmp

Filesize
5.6MB

Download
memory/3516-2-0x0000000005550000-0x00000000055BC000-memory.dmp

Filesize
432KB

Download
memory/3516-1-0x0000000000B60000-0x0000000000BDA000-memory.dmp

Filesize
488KB

Download
memory/4104-15-0x00000000051B0000-0x00000000051E8000-memory.dmp

Filesize
224KB

Download
memory/4104-17-0x0000000006560000-0x00000000065FC000-memory.dmp

Filesize
624KB

Download