gurcu | ad4540346592f3c2a8d7a002f85f7ccb4000aab2dab841c9bd0a3ab9970eac24

Analysis

max time kernel
132s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 12:44

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General

Target

JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe
Size

203KB
MD5

6394c614ce86f0d2bc4c54fa02e3f947
SHA1

2f36bf1511f515e524d05ded98dbc0e2f5b1a8a7
SHA256

ad4540346592f3c2a8d7a002f85f7ccb4000aab2dab841c9bd0a3ab9970eac24
SHA512

18b1518f7733d914669131fe14d052bd053ed4992c291941702176cd0b5f35cb17e138e6c1549f54af74e28aab998f9f8ccef95e1a0be9ab2e92e4c1e9a07030
SSDEEP

3072:Lma2Tw13jglOswfrLya3ApH+CNekWJnU0mPjd76ootSc/3smYMXrP:Ln2J1wfrLyaIeCNpWOPjd4BEdu

Score

10^/10

gurcu redline discovery infostealer stealer

Malware Config

Extracted

Family

redline

37.252.9.247:37711

Attributes

auth_value
026e3efe08173cd9cc43c61448ed20f6

Signatures

Gurcu family
gurcu
Gurcu, WhiteSnake
Gurcu aka WhiteSnake is a malware stealer written in C#.
stealer gurcu
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/4976-2-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83
PID 1248 wrote to memory of 4976	1248	JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6394c614ce86f0d2bc4c54fa02e3f947.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  #cmd
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1248-0-0x00007FFF75D53000-0x00007FFF75D55000-memory.dmp

Filesize
8KB

Download
memory/1248-1-0x0000000000D70000-0x0000000000DA6000-memory.dmp

Filesize
216KB

Download
memory/1248-12-0x00007FFF75D50000-0x00007FFF76811000-memory.dmp

Filesize
10.8MB

Download
memory/1248-4-0x00007FFF75D50000-0x00007FFF76811000-memory.dmp

Filesize
10.8MB

Download
memory/4976-7-0x0000000005900000-0x0000000005912000-memory.dmp

Filesize
72KB

Download
memory/4976-6-0x0000000005E60000-0x0000000006478000-memory.dmp

Filesize
6.1MB

Download
memory/4976-5-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/4976-8-0x0000000005A70000-0x0000000005B7A000-memory.dmp

Filesize
1.0MB

Download
memory/4976-9-0x00000000059A0000-0x00000000059DC000-memory.dmp

Filesize
240KB

Download
memory/4976-10-0x0000000074390000-0x0000000074B40000-memory.dmp

Filesize
7.7MB

Download
memory/4976-11-0x00000000059E0000-0x0000000005A2C000-memory.dmp

Filesize
304KB

Download
memory/4976-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4976-13-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/4976-14-0x0000000074390000-0x0000000074B40000-memory.dmp

Filesize
7.7MB

Download