gurcu | b6b0ac3d7e4ef3a97fb470b38e53f3d8114b736b60408d9828cd5f81e2d7cf0e

Analysis

max time kernel
63s
max time network
54s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26/05/2023, 17:23

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General

Target

a1ce7b26712e1db177d86fa87d09c354.exe
Size

827KB
MD5

a1ce7b26712e1db177d86fa87d09c354
SHA1

23d567e5ee4d4bf882f5d4ebe54643eecd921ef4
SHA256

b6b0ac3d7e4ef3a97fb470b38e53f3d8114b736b60408d9828cd5f81e2d7cf0e
SHA512

e5d5c4770131274c28dab0adbac3ed84395aca30a8c15f7004cd4d28ae503c507dacb432dcce65b2f004711837b3cd7a26766b028957aa3a8bc2d99f9dd849d4
SSDEEP

12288:IKY7z5GoJiGaq5auxKSjipNvJDK2WSqcIVr4vo1euUTyH2BQMyEp0mpefJ3Lww:G5GoR5amjipNvFK2LXG3VrEuqqJ8w

Score

10^/10

gurcu spyware stealer

Malware Config

Extracted

Family

gurcu

https://api.telegram.org/bot5948365373:AAHGoShKq2YoPLHuMrakRbVNthbMABFYHUc/sendMessage?chat_id=-1001620069625

Signatures

Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
stealer gurcu
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
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	784	a1ce7b26712e1db177d86fa87d09c354.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28
PID 1732 wrote to memory of 784	1732	a1ce7b26712e1db177d86fa87d09c354.exe	28

C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe
"C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe
  "C:\Users\Admin\AppData\Local\Temp\a1ce7b26712e1db177d86fa87d09c354.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/784-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-72-0x00000000006C0000-0x0000000000700000-memory.dmp

Filesize
256KB

Download
memory/784-71-0x00000000006C0000-0x0000000000700000-memory.dmp

Filesize
256KB

Download
memory/784-70-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/784-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/784-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1732-55-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/1732-60-0x0000000004B00000-0x0000000004B5C000-memory.dmp

Filesize
368KB

Download
memory/1732-54-0x0000000000AF0000-0x0000000000BC6000-memory.dmp

Filesize
856KB

Download
memory/1732-59-0x0000000006010000-0x00000000060A0000-memory.dmp

Filesize
576KB

Download
memory/1732-58-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1732-57-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/1732-56-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download