redline | ed4a28ec27097c7c5482542c063081ad860b1fd57a0f52ca6edded969d6d9641

General

Target

JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe
Size

3.8MB
MD5

1d2aaba97496b864054694c6216388ac
SHA1

62347dc63a2f7906a25b472bb92d20f4a3479e63
SHA256

ed4a28ec27097c7c5482542c063081ad860b1fd57a0f52ca6edded969d6d9641
SHA512

4fc6886ca7ae1e93a5a5a144920b82854eb4ddcfcacdd313d9b5fdb4adcb401e5e2d65a0575c2a2cc98212972b10c6037f3ffe9cb902bbfd127736dd891e1936
SSDEEP

98304:8bpOyMT2xhZ8KOaAM2ijq6qk0jd1tjcl+Lu:8NM2J8KVnvERS+Lu

Score

10^/10

redline sectoprat @asasinalex discovery infostealer rat trojan

Malware Config

Extracted

Family

redline

Botnet

@asasinalex

C2

164.132.202.45:20588

Attributes

auth_value
3e9eda97b6589ac15756de0ba010d48f

Signatures

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/3784-22-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline

Redline family
redline
SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3784-22-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

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	JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe

Executes dropped EXE 1 IoCs

pid	Process
4864	AirDrop_install.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 3784	4864	AirDrop_install.exe	93

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2424	4864	WerFault.exe	85

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	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AirDrop_install.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4864	AirDrop_install.exe
4864	AirDrop_install.exe
4864	AirDrop_install.exe
4864	AirDrop_install.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 4864	3692	JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe	85
PID 3692 wrote to memory of 4864	3692	JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe	85
PID 3692 wrote to memory of 4864	3692	JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe	85
PID 4864 wrote to memory of 3784	4864	AirDrop_install.exe	93
PID 4864 wrote to memory of 3784	4864	AirDrop_install.exe	93
PID 4864 wrote to memory of 3784	4864	AirDrop_install.exe	93
PID 4864 wrote to memory of 3784	4864	AirDrop_install.exe	93
PID 4864 wrote to memory of 3784	4864	AirDrop_install.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d2aaba97496b864054694c6216388ac.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\AirDrop_install.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\AirDrop_install.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 276
    3⤵
    - Program crash
    PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4864 -ip 4864
1⤵
PID:2376

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\AirDrop_install.exe

Filesize
4.6MB

MD5
2b495bb381c553a62919b441b3af014f

SHA1
080a0d56d2f3536a310b59860bbf787c6669e860

SHA256
e9f85835bf181901609d1238c5aa0a6dd09f036215fd218201ae2ff92fdde1e5

SHA512
2bdae5f4dac69194ff7922815a116d2db2ee2cfa0cab00ac7fb1445adf7ad1714e3a7eade53a5a629dd7c8f2fb6224e568790a06f1cb1ca67f93c882c0e2924d

Download Submit
memory/3784-28-0x000000007213E000-0x000000007213F000-memory.dmp

Filesize
4KB

Download
memory/3784-37-0x0000000072130000-0x00000000728E0000-memory.dmp

Filesize
7.7MB

Download
memory/3784-36-0x000000007213E000-0x000000007213F000-memory.dmp

Filesize
4KB

Download
memory/3784-34-0x0000000004F50000-0x0000000004F9C000-memory.dmp

Filesize
304KB

Download
memory/3784-33-0x0000000072130000-0x00000000728E0000-memory.dmp

Filesize
7.7MB

Download
memory/3784-32-0x0000000004F10000-0x0000000004F4C000-memory.dmp

Filesize
240KB

Download
memory/3784-31-0x0000000004FE0000-0x00000000050EA000-memory.dmp

Filesize
1.0MB

Download
memory/3784-30-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

Filesize
72KB

Download
memory/3784-22-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3784-29-0x0000000005460000-0x0000000005A78000-memory.dmp

Filesize
6.1MB

Download
memory/4864-15-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/4864-27-0x0000000000400000-0x0000000000894000-memory.dmp

Filesize
4.6MB

Download
memory/4864-12-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/4864-13-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/4864-14-0x0000000000435000-0x00000000006B2000-memory.dmp

Filesize
2.5MB

Download
memory/4864-16-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/4864-17-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/4864-35-0x0000000000435000-0x00000000006B2000-memory.dmp

Filesize
2.5MB

Download
memory/4864-20-0x0000000000400000-0x0000000000894000-memory.dmp

Filesize
4.6MB

Download
memory/4864-18-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download

Analysis

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