redline | 054ce7a68c5ef3e99d04df90781e6e084517e9499f62afef7f423d4d331e155d

General

Target

$TEMP/launcher.exe
Size

416KB
MD5

3f4ced9fb30a8c31f129d5e717141171
SHA1

2e6cdc927bc9e17e8c3e3985e6dc783d2f359e55
SHA256

507640330eb0d338c68d640ed4c4a4fe0a87a6293bf57afa74cfbaea20dd019c
SHA512

01374beb7508b7ee962fdb4764cfce2a3b5902ebb92993f0359ede0363de905eea72c30ab1d80cc9e0f0771c8c95e5b3faa189703d948a2d87386eb9c0df0faf
SSDEEP

6144:PBpK6MVQSu3K1uKvpWN5jK0yijz4c4JSupenGWg2D1Zi3uIfik/NglFh:PBpKv6K0KvpWPK5i4cg+4OZi3uDkYF

Score

10^/10

redline sectoprat @fx0321 discovery infostealer rat trojan

Malware Config

Extracted

Family

redline

Botnet

@fx0321

C2

193.56.8.53:25656

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
behavioral8/memory/4188-12-0x0000000000400000-0x000000000041E000-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
behavioral8/memory/4188-12-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4368 set thread context of 4188	4368	launcher.exe	100

System Location Discovery: System Language Discovery 1 TTPs 2 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	launcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	launcher.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4368	launcher.exe
4368	launcher.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	launcher.exe
Token: SeDebugPrivilege	4188	launcher.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 4176	4368	launcher.exe	99
PID 4368 wrote to memory of 4176	4368	launcher.exe	99
PID 4368 wrote to memory of 4176	4368	launcher.exe	99
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100
PID 4368 wrote to memory of 4188	4368	launcher.exe	100

C:\Users\Admin\AppData\Local\Temp\$TEMP\launcher.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\launcher.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Users\Admin\AppData\Local\Temp\$TEMP\launcher.exe
  "{path}"
  2⤵
  PID:4176
- C:\Users\Admin\AppData\Local\Temp\$TEMP\launcher.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Microsoft\CLR_v4.0_32\UsageLogs\launcher.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4188-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4188-23-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-22-0x00000000051B0000-0x00000000052BA000-memory.dmp

Filesize
1.0MB

Download
memory/4188-21-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-20-0x0000000004F40000-0x0000000004F8C000-memory.dmp

Filesize
304KB

Download
memory/4188-19-0x0000000004F00000-0x0000000004F3C000-memory.dmp

Filesize
240KB

Download
memory/4188-18-0x0000000004EA0000-0x0000000004EB2000-memory.dmp

Filesize
72KB

Download
memory/4188-17-0x0000000005400000-0x0000000005A18000-memory.dmp

Filesize
6.1MB

Download
memory/4188-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4368-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4368-11-0x0000000009530000-0x0000000009558000-memory.dmp

Filesize
160KB

Download
memory/4368-10-0x0000000009630000-0x00000000096A6000-memory.dmp

Filesize
472KB

Download
memory/4368-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4368-9-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/4368-8-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/4368-7-0x0000000009130000-0x00000000091CC000-memory.dmp

Filesize
624KB

Download
memory/4368-6-0x0000000006AF0000-0x0000000006AF8000-memory.dmp

Filesize
32KB

Download
memory/4368-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/4368-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/4368-3-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/4368-2-0x00000000059C0000-0x0000000005F64000-memory.dmp

Filesize
5.6MB

Download
memory/4368-1-0x0000000000BC0000-0x0000000000C2E000-memory.dmp

Filesize
440KB

Download

Analysis

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