blustealer | b4b866e01214bc839e8505446fd3693bf59271f9925fb6ef289070339b2bf2a0

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 18:00

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General

Target

fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe
Size

663KB
MD5

fd4fcde280bfdd9adfd527348ef8c6f7
SHA1

c403a0886fb36aaa1cfcdc2ca7b05c7456e2e40d
SHA256

b4b866e01214bc839e8505446fd3693bf59271f9925fb6ef289070339b2bf2a0
SHA512

a92188fea8d02572914d5b6062a7e600f382dccfcaefdbf49f100fadfd6cfc5acef8e10f3995f4b059ac02e5b241f7362d9d57868d086b88bef87ebd54066f0c
SSDEEP

12288:SqgElcxuh04SaroThlTAd6Z+1E5ngBk5UsB07mdjGRFH2CYPZw+hgl:jou/UT7TuwyE5niWUw071jWCY3gl

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.club
Port:
587
Username:
[email protected]
Password:
mQJrXsvkEb#S

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2812-7-0x0000000004360000-0x00000000043CE000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-8-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-9-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-11-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-13-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-15-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-17-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-19-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-21-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-23-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-25-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-27-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-29-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-31-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-33-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-35-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-37-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-39-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-41-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-43-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-45-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-47-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-49-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-51-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-53-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-55-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-57-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-59-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-61-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-63-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-65-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-67-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-69-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1
behavioral1/memory/2812-71-0x0000000004360000-0x00000000043C9000-memory.dmp	family_zgrat_v1

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\cho = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chrom\\cho.exe\""	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2060	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2060	2812	fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fd4fcde280bfdd9adfd527348ef8c6f7_JaffaCakes118.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2060-2185-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2060-2188-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2812-35-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-9-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-39-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-5-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/2812-6-0x0000000005090000-0x0000000005136000-memory.dmp

Filesize
664KB

Download
memory/2812-7-0x0000000004360000-0x00000000043CE000-memory.dmp

Filesize
440KB

Download
memory/2812-8-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-37-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-11-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-13-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-15-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-17-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-0-0x0000000000330000-0x00000000003DC000-memory.dmp

Filesize
688KB

Download
memory/2812-21-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-23-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-25-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-27-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-29-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-31-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-33-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-19-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-3-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-4-0x0000000004DF0000-0x0000000004E96000-memory.dmp

Filesize
664KB

Download
memory/2812-41-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-43-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-45-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-47-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-49-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-51-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-53-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-55-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-57-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-59-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-61-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-63-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-65-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-67-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-69-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-71-0x0000000004360000-0x00000000043C9000-memory.dmp

Filesize
420KB

Download
memory/2812-2183-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/2812-1-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download