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
behavioral2/memory/4512-3-0x00000000059E0000-0x0000000005A96000-memory.dmp	family_zgrat_v2

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/3148-33-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	WhatsApp.exe

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
behavioral2/memory/4512-1-0x0000000000C40000-0x0000000001036000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4512 set thread context of 3148	4512	WhatsApp.exe	95

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 4 IoCs

pid	Process
2984	powershell.exe
2984	powershell.exe
4512	WhatsApp.exe
4512	WhatsApp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	4512	WhatsApp.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2984	4512	WhatsApp.exe	89
PID 4512 wrote to memory of 2984	4512	WhatsApp.exe	89
PID 4512 wrote to memory of 2984	4512	WhatsApp.exe	89
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95
PID 4512 wrote to memory of 3148	4512	WhatsApp.exe	95

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512
- 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:2984
- 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:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kmom3xrz.x5b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2984-24-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

Filesize
120KB

Download
memory/2984-19-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2984-32-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2984-29-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2984-27-0x00000000063E0000-0x00000000063FA000-memory.dmp

Filesize
104KB

Download
memory/2984-26-0x00000000075E0000-0x0000000007C5A000-memory.dmp

Filesize
6.5MB

Download
memory/2984-25-0x0000000005F10000-0x0000000005F5C000-memory.dmp

Filesize
304KB

Download
memory/2984-8-0x0000000004920000-0x0000000004956000-memory.dmp

Filesize
216KB

Download
memory/2984-9-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2984-10-0x0000000004F90000-0x00000000055B8000-memory.dmp

Filesize
6.2MB

Download
memory/2984-11-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2984-13-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/2984-12-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/3148-42-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3148-38-0x0000000004FC0000-0x00000000050CA000-memory.dmp

Filesize
1.0MB

Download
memory/3148-41-0x00000000050D0000-0x000000000511C000-memory.dmp

Filesize
304KB

Download
memory/3148-40-0x0000000004F50000-0x0000000004F8C000-memory.dmp

Filesize
240KB

Download
memory/3148-39-0x0000000004EF0000-0x0000000004F02000-memory.dmp

Filesize
72KB

Download
memory/3148-37-0x0000000005440000-0x0000000005A58000-memory.dmp

Filesize
6.1MB

Download
memory/3148-36-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3148-33-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4512-1-0x0000000000C40000-0x0000000001036000-memory.dmp

Filesize
4.0MB

Download
memory/4512-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4512-35-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4512-28-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4512-5-0x0000000005C50000-0x0000000005CE2000-memory.dmp

Filesize
584KB

Download
memory/4512-3-0x00000000059E0000-0x0000000005A96000-memory.dmp

Filesize
728KB

Download
memory/4512-6-0x0000000005CE0000-0x0000000005D02000-memory.dmp

Filesize
136KB

Download
memory/4512-2-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/4512-7-0x0000000005D10000-0x0000000006064000-memory.dmp

Filesize
3.3MB

Download
memory/4512-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download

Analysis

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