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
behavioral1/memory/2140-3-0x00000000009C0000-0x0000000000A76000-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/2896-20-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/2896-21-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/2896-17-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/2896-15-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/2896-22-0x0000000000400000-0x0000000000428000-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/2140-1-0x0000000001170000-0x0000000001562000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 2896	2140	WhatsApp-cleaned.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-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 3 IoCs

pid	Process
468	powershell.exe
2140	WhatsApp-cleaned.exe
2140	WhatsApp-cleaned.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	powershell.exe
Token: SeDebugPrivilege	2140	WhatsApp-cleaned.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 468	2140	WhatsApp-cleaned.exe	31
PID 2140 wrote to memory of 468	2140	WhatsApp-cleaned.exe	31
PID 2140 wrote to memory of 468	2140	WhatsApp-cleaned.exe	31
PID 2140 wrote to memory of 468	2140	WhatsApp-cleaned.exe	31
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33
PID 2140 wrote to memory of 2896	2140	WhatsApp-cleaned.exe	33

C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp-cleaned.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- 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:468
- 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:2896

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

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Downloads

memory/468-8-0x0000000002DC0000-0x0000000002E00000-memory.dmp

Filesize
256KB

Download
memory/468-10-0x0000000002DC0000-0x0000000002E00000-memory.dmp

Filesize
256KB

Download
memory/2140-4-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-23-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-5-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/2140-2-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-9-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1-0x0000000001170000-0x0000000001562000-memory.dmp

Filesize
3.9MB

Download
memory/2140-3-0x00000000009C0000-0x0000000000A76000-memory.dmp

Filesize
728KB

Download
memory/2896-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-22-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2896-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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