gurcu | fe2b724bf92fbda7ef2cbe4026662e12823aa29c309e04af7cc3b8ad8ddf25e7

Analysis

max time kernel
131s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 04:54

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General

Target

JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe
Size

204KB
MD5

be65927ba986fea781a415c4f17a71d6
SHA1

b954a047a5fc747554c524c502634afc0a5b8333
SHA256

fe2b724bf92fbda7ef2cbe4026662e12823aa29c309e04af7cc3b8ad8ddf25e7
SHA512

5e5603b39f5e1e9c2d9f7f21088fe03cf200a4dddfddbca06df02052f04af8d2386ce5816bd3ae7a1eed2347af5843b431bfcc3bb1c8111aa05971a645cf8c3c
SSDEEP

6144:leUhxzk8EYGb3WAk1TjOLxXLLZLLC/isUn:lthxzzhGbGAk1i5n

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 5 IoCs

resource	yara_rule
behavioral1/memory/2808-8-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2808-12-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2808-10-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2808-6-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2808-5-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30

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 12 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30
PID 2936 wrote to memory of 2808	2936	JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be65927ba986fea781a415c4f17a71d6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  #cmd
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808

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/2808-3-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-4-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2936-0-0x000007FEF6343000-0x000007FEF6344000-memory.dmp

Filesize
4KB

Download
memory/2936-1-0x0000000000140000-0x0000000000176000-memory.dmp

Filesize
216KB

Download
memory/2936-2-0x000007FEF6340000-0x000007FEF6D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-13-0x000007FEF6340000-0x000007FEF6D2C000-memory.dmp

Filesize
9.9MB

Download