redline | fd40240f7874f6324e0ecb17a3f1f7e095d3feb079b56da3694dac833bdc6a0c

General

Target

apphost.exe
Size

603KB
MD5

35329adc614b4afdf984585c386a6b16
SHA1

3ce0b19b9f426fb8a1349d738d7d30fd0f8fa060
SHA256

ca120f69f73a72abd0c7f05da2a653556a7abc29a793ea2ae06f4419f11313c9
SHA512

94c8522e648bbed20139480748010601b0eb3bbbc387e1f5f3401dca28582cb248d7910b53ac91ccd66681b0a3647e5db0c6838c9c627def3e6628e20365e66d

Score

10^/10

redline 2905 ostap infostealer

Malware Config

Extracted

Family

redline

Botnet

2905 ostap

C2

45.66.9.166:80

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4364-136-0x0000000000400000-0x0000000000430000-memory.dmp	family_redline

Suspicious use of SetThreadContext 1 IoCs

Processes:

apphost.exe

description pid process target process

PID 4476 set thread context of 4364 4476 apphost.exe RegSvcs.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4040 taskkill.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

apphost.exeRegSvcs.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 4476 apphost.exe
Token: SeDebugPrivilege 4364 RegSvcs.exe
Token: SeDebugPrivilege 4040 taskkill.exe

description	pid	process	target process
PID 4476 set thread context of 4364	4476	apphost.exe	RegSvcs.exe

pid	process
4040	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4476	apphost.exe
Token: SeDebugPrivilege	4364	RegSvcs.exe
Token: SeDebugPrivilege	4040	taskkill.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

apphost.exeRegSvcs.execmd.exe

description	pid	process	target process
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4476 wrote to memory of 4364	4476	apphost.exe	RegSvcs.exe
PID 4364 wrote to memory of 5036	4364	RegSvcs.exe	cmd.exe
PID 4364 wrote to memory of 5036	4364	RegSvcs.exe	cmd.exe
PID 4364 wrote to memory of 5036	4364	RegSvcs.exe	cmd.exe
PID 5036 wrote to memory of 4040	5036	cmd.exe	taskkill.exe
PID 5036 wrote to memory of 4040	5036	cmd.exe	taskkill.exe
PID 5036 wrote to memory of 4040	5036	cmd.exe	taskkill.exe
PID 5036 wrote to memory of 4116	5036	cmd.exe	choice.exe
PID 5036 wrote to memory of 4116	5036	cmd.exe	choice.exe
PID 5036 wrote to memory of 4116	5036	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\apphost.exe
"C:\Users\Admin\AppData\Local\Temp\apphost.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4476

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C taskkill /F /PID 4364 && choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\SysWOW64\taskkill.exe
taskkill /F /PID 4364
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4040

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:4116

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4040-142-0x0000000000000000-mapping.dmp

Download
memory/4116-143-0x0000000000000000-mapping.dmp

Download
memory/4364-139-0x0000000005350000-0x000000000538C000-memory.dmp

Filesize
240KB

Download
memory/4364-135-0x0000000000000000-mapping.dmp

Download
memory/4364-136-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4364-137-0x0000000005970000-0x0000000005F88000-memory.dmp

Filesize
6.1MB

Download
memory/4364-138-0x00000000052D0000-0x00000000052E2000-memory.dmp

Filesize
72KB

Download
memory/4364-140-0x00000000055F0000-0x00000000056FA000-memory.dmp

Filesize
1.0MB

Download
memory/4476-133-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/4476-134-0x000000000A7B0000-0x000000000A84C000-memory.dmp

Filesize
624KB

Download
memory/4476-130-0x0000000000B80000-0x0000000000C1C000-memory.dmp

Filesize
624KB

Download
memory/4476-132-0x0000000007B50000-0x0000000007BE2000-memory.dmp

Filesize
584KB

Download
memory/4476-131-0x0000000008100000-0x00000000086A4000-memory.dmp

Filesize
5.6MB

Download
memory/5036-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads