redline | fe3a327cad05044ff556ac57cfd99184cc4e73fc07cb799db2e9f17594effb7d

General

Target

DOCU_SIGN09986122877540087PDF.exe
Size

1.2MB
MD5

4ec190efb6a034de4da8834bb8265710
SHA1

4c6ef9594118d1badfafe347bbbb20bae74f3f14
SHA256

fe3a327cad05044ff556ac57cfd99184cc4e73fc07cb799db2e9f17594effb7d
SHA512

7e88fa45ae298a4361a62afb98730eb13db3a16a3b02f01f0926275f33086a2c7d4a26ec0f425ec9970328c882e8ed084210592ecb7dc19ee431b061bd9c78a6

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

newlife957.duckdns.org:7225

Signatures

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

RedLine Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2352-125-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/2352-126-0x000000000041883A-mapping.dmp	family_redline
behavioral2/memory/2352-135-0x0000000005410000-0x0000000005A16000-memory.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exe

description pid process target process

PID 3128 set thread context of 2352 3128 DOCU_SIGN09986122877540087PDF.exe DOCU_SIGN09986122877540087PDF.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exe

pid process

2352 DOCU_SIGN09986122877540087PDF.exe
2352 DOCU_SIGN09986122877540087PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exeDOCU_SIGN09986122877540087PDF.exe

description pid process

Token: SeDebugPrivilege 3128 DOCU_SIGN09986122877540087PDF.exe
Token: SeDebugPrivilege 2352 DOCU_SIGN09986122877540087PDF.exe

description	pid	process	target process
PID 3128 set thread context of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe

pid	process
2352	DOCU_SIGN09986122877540087PDF.exe
2352	DOCU_SIGN09986122877540087PDF.exe

description	pid	process
Token: SeDebugPrivilege	3128	DOCU_SIGN09986122877540087PDF.exe
Token: SeDebugPrivilege	2352	DOCU_SIGN09986122877540087PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exe

description	pid	process	target process
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 3128 wrote to memory of 2352	3128	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe

C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128

C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2352

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOCU_SIGN09986122877540087PDF.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/2352-135-0x0000000005410000-0x0000000005A16000-memory.dmp

Filesize
6.0MB

Download
memory/2352-134-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/2352-126-0x000000000041883A-mapping.dmp

Download
memory/2352-140-0x0000000006E30000-0x0000000006E31000-memory.dmp

Filesize
4KB

Download
memory/2352-138-0x0000000006980000-0x0000000006981000-memory.dmp

Filesize
4KB

Download
memory/2352-137-0x0000000007120000-0x0000000007121000-memory.dmp

Filesize
4KB

Download
memory/2352-136-0x0000000006A20000-0x0000000006A21000-memory.dmp

Filesize
4KB

Download
memory/2352-133-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/2352-132-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/2352-130-0x0000000005A20000-0x0000000005A21000-memory.dmp

Filesize
4KB

Download
memory/2352-131-0x0000000005460000-0x0000000005461000-memory.dmp

Filesize
4KB

Download
memory/2352-142-0x0000000007080000-0x0000000007081000-memory.dmp

Filesize
4KB

Download
memory/2352-125-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3128-118-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/3128-124-0x0000000002390000-0x00000000023AE000-memory.dmp

Filesize
120KB

Download
memory/3128-123-0x0000000002220000-0x0000000002283000-memory.dmp

Filesize
396KB

Download
memory/3128-117-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/3128-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/3128-122-0x0000000002360000-0x000000000238D000-memory.dmp

Filesize
180KB

Download
memory/3128-121-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/3128-120-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/3128-119-0x00000000049A0000-0x0000000004A3C000-memory.dmp

Filesize
624KB

Download
memory/3128-116-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download

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