redline | 82ea10edc8a126ed26774707ebb6d5ce828268e260549bd75877fe256e06055f

General

Target

WhatsApp/WhatsApp.exe
Size

700.0MB
MD5

76e4e31dd3e40ac6790c83fa48419a55
SHA1

f42363c9ca8325a47efd4f01f177702433d78ff8
SHA256

661d2ed323c8703a7466774162972254589be4ab04abd6067d70ab44bc70d978
SHA512

78ae771f67d5c1c66d2e8ffc1f3dd398b6cd87c6ee813e6108e0f0c8cdfb8cd656c82d3ec4fff7b9d9f84c31e0cfd00b613150bb6eb22ad942c00a5aed379b8e
SSDEEP

98304:NCDnyTWzDCidsFXGAtljN36bZfRE7Rtc/vNK3egPJP:N2qM+idivVNKbZfREVtc0PJP

Score

10^/10

redline zgrat ws-19 agilenet discovery infostealer rat

Malware Config

Extracted

Family

redline

Botnet

ws-19

C2

38.91.100.57:32750

Attributes

auth_value
b8974207e31b05e60d39e04eba8eeb0b

Signatures

Detect ZGRat V2 1 IoCs

resource	yara_rule
behavioral1/memory/2944-3-0x0000000000BE0000-0x0000000000C96000-memory.dmp	family_zgrat_v2

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/1476-17-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1476-15-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1476-20-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1476-22-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1476-21-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

Redline family
redline
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Zgrat family
zgrat

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/2944-1-0x0000000001180000-0x0000000001576000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 1476	2944	WhatsApp.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	WhatsApp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2900	powershell.exe
2944	WhatsApp.exe
2944	WhatsApp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	powershell.exe
Token: SeDebugPrivilege	2944	WhatsApp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2900	2944	WhatsApp.exe	30
PID 2944 wrote to memory of 2900	2944	WhatsApp.exe	30
PID 2944 wrote to memory of 2900	2944	WhatsApp.exe	30
PID 2944 wrote to memory of 2900	2944	WhatsApp.exe	30
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33
PID 2944 wrote to memory of 1476	2944	WhatsApp.exe	33

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1476-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-22-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1476-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1476-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2900-10-0x0000000002C50000-0x0000000002C90000-memory.dmp

Filesize
256KB

Download
memory/2900-8-0x0000000002C50000-0x0000000002C90000-memory.dmp

Filesize
256KB

Download
memory/2944-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2944-9-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-5-0x0000000000F20000-0x0000000000FB2000-memory.dmp

Filesize
584KB

Download
memory/2944-4-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-3-0x0000000000BE0000-0x0000000000C96000-memory.dmp

Filesize
728KB

Download
memory/2944-2-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2944-1-0x0000000001180000-0x0000000001576000-memory.dmp

Filesize
4.0MB

Download
memory/2944-23-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing