gurcu | 53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 03:44

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General

Target

53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe
Size

203KB
MD5

f22739fd155f021421ffe74f053a4507
SHA1

84744009bf109831025c1ac0262749f23c3f29c6
SHA256

53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549
SHA512

7de9b4997fd205b135d042d6a65df7d4a008f10be41a75d55688c7dc4e14902186e9f88fc4a68d6ef60696b2c15b3a53c7d118de24f217c03e55de9f981cbe0e
SSDEEP

3072:Lma2Tw13jglOswfrLya3ApH+CNekWJnU0mPjd76ootSc/3smYMXrv: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 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/2768-9-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2768-13-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2768-11-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2768-7-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2768-6-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.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 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30
PID 2248 wrote to memory of 2768	2248	53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe	30

C:\Users\Admin\AppData\Local\Temp\53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe
"C:\Users\Admin\AppData\Local\Temp\53661074d0a6b4e280ebac14d61444984eb1513dd4a63e32d077d291f2167549.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  #cmd
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768

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

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Downloads

memory/2248-0-0x000007FEF6453000-0x000007FEF6454000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x00000000011E0000-0x0000000001216000-memory.dmp

Filesize
216KB

Download
memory/2248-14-0x000007FEF6450000-0x000007FEF6E3C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-2-0x000007FEF6450000-0x000007FEF6E3C000-memory.dmp

Filesize
9.9MB

Download
memory/2768-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2768-3-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download