redline | f6e16a4200c3510b4a0ddc031240495d36e9c1d47160e488606f0978e9bb0422

Analysis

max time kernel
1800s
max time network
1802s
platform
windows7_x64
resource
win7-en-20211014
submitted
22-10-2021 14:39

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General

Target

keygen-step-4.exe
Size

4.2MB
MD5

00ebc043e56f9f084116b06bdda236af
SHA1

5cd4266a7b4500f3c9bfa5174b535d52361167ed
SHA256

f6e16a4200c3510b4a0ddc031240495d36e9c1d47160e488606f0978e9bb0422
SHA512

03d5c4d62c09b18259d42168284b72eecb874e5ec12063edfb54637a833c376b0ab788fc20474f21969e674f29e135498aa46ddf1b62ef6f06c506037543ee67

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Signatures

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

RedLine Payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/920-75-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/920-76-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/920-77-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/920-78-0x0000000000418D3E-mapping.dmp	family_redline
behavioral2/memory/920-80-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

KiffAppE2.exePlsWnEU2.exePlsWnEU2.exe

pid process

1292 KiffAppE2.exe
1780 PlsWnEU2.exe
920 PlsWnEU2.exe
Loads dropped DLL 4 IoCs

Processes:

keygen-step-4.exe

pid process

1088 keygen-step-4.exe
1088 keygen-step-4.exe
1088 keygen-step-4.exe
1088 keygen-step-4.exe
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:

PlsWnEU2.exe

description pid process target process

PID 1780 set thread context of 920 1780 PlsWnEU2.exe PlsWnEU2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

KiffAppE2.exePlsWnEU2.exe

description pid process

Token: SeDebugPrivilege 1292 KiffAppE2.exe
Token: SeDebugPrivilege 920 PlsWnEU2.exe

pid	process
1292	KiffAppE2.exe
1780	PlsWnEU2.exe
920	PlsWnEU2.exe

pid	process
1088	keygen-step-4.exe
1088	keygen-step-4.exe
1088	keygen-step-4.exe
1088	keygen-step-4.exe

description	pid	process	target process
PID 1780 set thread context of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe

description	pid	process
Token: SeDebugPrivilege	1292	KiffAppE2.exe
Token: SeDebugPrivilege	920	PlsWnEU2.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

keygen-step-4.exeKiffAppE2.exePlsWnEU2.exe

description	pid	process	target process
PID 1088 wrote to memory of 1292	1088	keygen-step-4.exe	KiffAppE2.exe
PID 1088 wrote to memory of 1292	1088	keygen-step-4.exe	KiffAppE2.exe
PID 1088 wrote to memory of 1292	1088	keygen-step-4.exe	KiffAppE2.exe
PID 1088 wrote to memory of 1292	1088	keygen-step-4.exe	KiffAppE2.exe
PID 1292 wrote to memory of 1780	1292	KiffAppE2.exe	PlsWnEU2.exe
PID 1292 wrote to memory of 1780	1292	KiffAppE2.exe	PlsWnEU2.exe
PID 1292 wrote to memory of 1780	1292	KiffAppE2.exe	PlsWnEU2.exe
PID 1292 wrote to memory of 1780	1292	KiffAppE2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe
PID 1780 wrote to memory of 920	1780	PlsWnEU2.exe	PlsWnEU2.exe

C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
"C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
9982548bcb150a3d3b5343dd94bf8aa8

SHA1
fa2603eab815da449abff6622c47d95189ea5ef8

SHA256
a3ff72dd984406d760a702399f5c0186bfd107677b4e8b7b1c4a1433eb0a106f

SHA512
9aae28845c4a55ddf7b6a24aff34d1450e04e404afcb49787217d95253ccef99d09b0c2115786e1bffba26d0e368bfb3d7a39753e181e873bdf642ee0ee45e98

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe
MD5
00160e8ca109521d28a89daa08cc2cae

SHA1
3569f50e6a2fc500b4a7ee8c0e1a446d9766afa1

SHA256
d2e3a00472e772e4509e221ad732f3de0e0fb3fe4f788552e5f5382b1306b11e

SHA512
1b1ea39d615774935be107000f4d61b64f3a9760bad70f04dfd580a7e8ab6209ca3b8b55a250d89845fa8206b02c78187ea4613506a2634c56be27f1a4e3b309

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe
MD5
00160e8ca109521d28a89daa08cc2cae

SHA1
3569f50e6a2fc500b4a7ee8c0e1a446d9766afa1

SHA256
d2e3a00472e772e4509e221ad732f3de0e0fb3fe4f788552e5f5382b1306b11e

SHA512
1b1ea39d615774935be107000f4d61b64f3a9760bad70f04dfd580a7e8ab6209ca3b8b55a250d89845fa8206b02c78187ea4613506a2634c56be27f1a4e3b309

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\PlsWnEU2.exe
MD5
00160e8ca109521d28a89daa08cc2cae

SHA1
3569f50e6a2fc500b4a7ee8c0e1a446d9766afa1

SHA256
d2e3a00472e772e4509e221ad732f3de0e0fb3fe4f788552e5f5382b1306b11e

SHA512
1b1ea39d615774935be107000f4d61b64f3a9760bad70f04dfd580a7e8ab6209ca3b8b55a250d89845fa8206b02c78187ea4613506a2634c56be27f1a4e3b309

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\KiffAppE2.exe
MD5
6a9bf2c46a15d1fc9142e16aed31e8dd

SHA1
802024dc5b3b37d123dfaa05f2b3c19e82f1f83f

SHA256
fa9a091c09bb374ef72215fba163e3dd7b77ee4c9720eea92795786a359b9abb

SHA512
c563d2426d4db24c988801fedd252b425b291ad6b90540f1d6e78d9d8276a9726e93d06dc57a7ed183589ce531578e480ac544b331b1cd06946afaaa1cddff85

Download Submit
memory/920-75-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/920-77-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/920-82-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/920-80-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/920-78-0x0000000000418D3E-mapping.dmp

Download
memory/920-76-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/920-73-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/920-74-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1088-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1292-72-0x0000000000536000-0x0000000000555000-memory.dmp

Filesize
124KB

Download
memory/1292-63-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1292-65-0x0000000000530000-0x0000000000532000-memory.dmp

Filesize
8KB

Download
memory/1292-60-0x0000000000000000-mapping.dmp

Download
memory/1780-66-0x0000000000000000-mapping.dmp

Download
memory/1780-71-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/1780-69-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download