redline | 253dac045440d4f57c049b87c90f3665c7bb26f8822e71d2b512f4b7f31fc3c0

General

Target

WhatsApp-cleaned.exe
Size

3.9MB
MD5

eb98e1dcc374d67e71a85ecc848034ec
SHA1

002409d45df360fb9902fb60bb316a863c735aa2
SHA256

078bbd30cad5587f8dcde105e04046cc56f8d3cef527993faec4341920e6a8eb
SHA512

1f168da8f33084c04d7963528bd29fcd81cb6b7e63534096053b1726ebd33b417f4089c16884e1e9d6e4a055c298ccea1f0d22f7970ff951d63efcd4e7f8b76d
SSDEEP

98304:oCDnyTWzDCidsFXGAtljN36bZfRE7Rtc/vNK3egPJ:o2qM+idivVNKbZfREVtc0PJ

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/4696-3-0x0000000005930000-0x00000000059E6000-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/4752-33-0x0000000000400000-0x0000000000428000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	WhatsApp-cleaned.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/4696-1-0x0000000000C20000-0x0000000001012000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 4752	4696	WhatsApp-cleaned.exe	103

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-cleaned.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 6 IoCs

pid	Process
4920	powershell.exe
4920	powershell.exe
4696	WhatsApp-cleaned.exe
4696	WhatsApp-cleaned.exe
4696	WhatsApp-cleaned.exe
4696	WhatsApp-cleaned.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	powershell.exe
Token: SeDebugPrivilege	4696	WhatsApp-cleaned.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4920	4696	WhatsApp-cleaned.exe	97
PID 4696 wrote to memory of 4920	4696	WhatsApp-cleaned.exe	97
PID 4696 wrote to memory of 4920	4696	WhatsApp-cleaned.exe	97
PID 4696 wrote to memory of 228	4696	WhatsApp-cleaned.exe	102
PID 4696 wrote to memory of 228	4696	WhatsApp-cleaned.exe	102
PID 4696 wrote to memory of 228	4696	WhatsApp-cleaned.exe	102
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103
PID 4696 wrote to memory of 4752	4696	WhatsApp-cleaned.exe	103

C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.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:4696
- 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:4920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:228
- 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:4752

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_5i03t5tg.3tt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4696-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4696-3-0x0000000005930000-0x00000000059E6000-memory.dmp

Filesize
728KB

Download
memory/4696-36-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4696-1-0x0000000000C20000-0x0000000001012000-memory.dmp

Filesize
3.9MB

Download
memory/4696-5-0x0000000005BA0000-0x0000000005C32000-memory.dmp

Filesize
584KB

Download
memory/4696-6-0x0000000005C80000-0x0000000005CA2000-memory.dmp

Filesize
136KB

Download
memory/4696-7-0x0000000005CB0000-0x0000000006004000-memory.dmp

Filesize
3.3MB

Download
memory/4696-28-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4696-4-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4696-2-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4752-33-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4752-39-0x00000000055C0000-0x00000000055D2000-memory.dmp

Filesize
72KB

Download
memory/4752-38-0x0000000005690000-0x000000000579A000-memory.dmp

Filesize
1.0MB

Download
memory/4752-37-0x0000000005B40000-0x0000000006158000-memory.dmp

Filesize
6.1MB

Download
memory/4752-40-0x0000000005620000-0x000000000565C000-memory.dmp

Filesize
240KB

Download
memory/4752-41-0x00000000057A0000-0x00000000057EC000-memory.dmp

Filesize
304KB

Download
memory/4752-35-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4752-42-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-8-0x00000000026E0000-0x0000000002716000-memory.dmp

Filesize
216KB

Download
memory/4920-27-0x00000000061B0000-0x00000000061CA000-memory.dmp

Filesize
104KB

Download
memory/4920-29-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-32-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-26-0x0000000007350000-0x00000000079CA000-memory.dmp

Filesize
6.5MB

Download
memory/4920-25-0x0000000005D00000-0x0000000005D4C000-memory.dmp

Filesize
304KB

Download
memory/4920-24-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

Filesize
120KB

Download
memory/4920-14-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/4920-13-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/4920-12-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-10-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/4920-11-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4920-9-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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