zgrat | 7d5c7b9ca5886fe043b5edd22511b9939aba31fc576125061718de7e1c713e1c

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 05:55

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General

Target

331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe
Size

367KB
MD5

331067058c60a0f4e1c320337a04dbb8
SHA1

713651134025167027d53341cb501864946085d1
SHA256

7d5c7b9ca5886fe043b5edd22511b9939aba31fc576125061718de7e1c713e1c
SHA512

7c374fdfbcf3ab0c5b6f4707e19e5c56e01c47f7ab5423ff78d53a228125bdf14209086996cdc8d2e15dc720eec05fc0c1d25a79ba8708f705f956f64eea1052
SSDEEP

6144:J01aCuilYtU2Vvf+cEvM0nzdg4u/w6bTkNl63dVClsIJtCBo8tuf2QX5f681ZG9:MYU2Z+cEvM8zLqbTkP6tI2I2BoXuQB6

Score

10^/10

zgrat agilenet collection rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/5068-3-0x0000000005870000-0x0000000005898000-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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
4736	app.exe
5100	app.exe

Obfuscated with Agile.Net obfuscator 1 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/5068-3-0x0000000005870000-0x0000000005898000-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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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
32	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 5100	4736	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
5100	app.exe
5100	app.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe
Token: SeDebugPrivilege	4736	app.exe
Token: SeDebugPrivilege	5100	app.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5100	app.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3528	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	88
PID 5068 wrote to memory of 3528	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	88
PID 5068 wrote to memory of 3528	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	88
PID 5068 wrote to memory of 3960	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	92
PID 5068 wrote to memory of 3960	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	92
PID 5068 wrote to memory of 3960	5068	331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe	92
PID 1844 wrote to memory of 4736	1844	explorer.exe	94
PID 1844 wrote to memory of 4736	1844	explorer.exe	94
PID 1844 wrote to memory of 4736	1844	explorer.exe	94
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97
PID 4736 wrote to memory of 5100	4736	app.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	app.exe

C:\Users\Admin\AppData\Local\Temp\331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\331067058c60a0f4e1c320337a04dbb8_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Drops startup file
  PID:3528
- 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:3960

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1844
- 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:4736
- - 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:5100

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
706B

MD5
f8bcaf312de8591707436c1dcebba8e4

SHA1
a1269828e5f644601622f4a7a611aec8f2eda0b2

SHA256
f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

SHA512
3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

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

Filesize
367KB

MD5
331067058c60a0f4e1c320337a04dbb8

SHA1
713651134025167027d53341cb501864946085d1

SHA256
7d5c7b9ca5886fe043b5edd22511b9939aba31fc576125061718de7e1c713e1c

SHA512
7c374fdfbcf3ab0c5b6f4707e19e5c56e01c47f7ab5423ff78d53a228125bdf14209086996cdc8d2e15dc720eec05fc0c1d25a79ba8708f705f956f64eea1052

Download Submit
memory/4736-16-0x0000000008E40000-0x0000000008EDC000-memory.dmp

Filesize
624KB

Download
memory/5068-4-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/5068-3-0x0000000005870000-0x0000000005898000-memory.dmp

Filesize
160KB

Download
memory/5068-5-0x00000000081C0000-0x0000000008764000-memory.dmp

Filesize
5.6MB

Download
memory/5068-6-0x0000000007D00000-0x0000000007D92000-memory.dmp

Filesize
584KB

Download
memory/5068-9-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/5068-10-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/5068-12-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/5068-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/5068-2-0x0000000007B00000-0x0000000007B98000-memory.dmp

Filesize
608KB

Download
memory/5068-1-0x0000000000CB0000-0x0000000000D16000-memory.dmp

Filesize
408KB

Download
memory/5100-21-0x00000000007B0000-0x00000000007E4000-memory.dmp

Filesize
208KB

Download
memory/5100-22-0x0000000005300000-0x0000000005318000-memory.dmp

Filesize
96KB

Download
memory/5100-23-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/5100-24-0x0000000006620000-0x000000000662A000-memory.dmp

Filesize
40KB

Download
memory/5100-25-0x0000000006B80000-0x0000000006BD0000-memory.dmp

Filesize
320KB

Download
memory/5100-26-0x0000000006540000-0x000000000654A000-memory.dmp

Filesize
40KB

Download