redline | 69db77173df272098da80c4bdff6147536b851809cfb2116fc0085bfc885a663

Analysis

max time kernel
125s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
28-03-2022 21:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

main.exe
Size

29.8MB
MD5

05eddf246ff3900650373bab2a45f8f1
SHA1

4b1aa434604bacd73857ee1058610ff442ed124f
SHA256

69db77173df272098da80c4bdff6147536b851809cfb2116fc0085bfc885a663
SHA512

8ff0d35ee7478dfe8a9371029d5080259d9e98548ab1119364c8a9d9292931fa0d7d85f95ede68242a682b22acac6e6499bf2c65a4d91ac04209d62e01684188

Score

10^/10

redline snakekeylogger 1877 collection discovery evasion infostealer keylogger persistence spyware stealer themida trojan

Malware Config

Extracted

Family

redline

Botnet

1877

hawler.duckdns.org:56199

Signatures

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

RedLine Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4808-155-0x0000000000A50000-0x0000000001274000-memory.dmp	family_redline
behavioral2/memory/4808-156-0x0000000000A50000-0x0000000001274000-memory.dmp	family_redline

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4228-130-0x0000000000C00000-0x00000000029D2000-memory.dmp	family_snakekeylogger
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe	family_snakekeylogger
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe	family_snakekeylogger
behavioral2/memory/1624-141-0x0000000000240000-0x0000000000274000-memory.dmp	family_snakekeylogger

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Executes dropped EXE 4 IoCs

Processes:

svchost.exesvshost.exeupdate.execsrss.exe

pid process

1340 svchost.exe
1624 svshost.exe
1092 update.exe
4808 csrss.exe

pid	process
1340	svchost.exe
1624	svshost.exe
1092	update.exe
4808	csrss.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

csrss.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	csrss.exe

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

Processes:

main.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation main.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	main.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe	themida
C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe	themida
behavioral2/memory/4808-155-0x0000000000A50000-0x0000000001274000-memory.dmp	themida
behavioral2/memory/4808-156-0x0000000000A50000-0x0000000001274000-memory.dmp	themida

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

svshost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svshost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svshost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svshost.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

main.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Chrome Updater = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Internet Explorer\\update.exe"	main.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Process = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	main.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Internet Explorer\\svchost.exe"	main.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\One Drive = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Internet Explorer\\svshost.exe"	main.exe

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
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

csrss.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA csrss.exe
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 checkip.dyndns.org
13 freegeoip.app
14 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

csrss.exe

pid process

4808 csrss.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

main.exe

pid process

4228 main.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

svshost.execsrss.exe

pid process

1624 svshost.exe
4808 csrss.exe
4808 csrss.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svshost.execsrss.exe

description pid process

Token: SeDebugPrivilege 1624 svshost.exe
Token: SeDebugPrivilege 4808 csrss.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	csrss.exe

flow	ioc
11	checkip.dyndns.org
13	freegeoip.app
14	freegeoip.app

pid	process
4808	csrss.exe

pid	process
4228	main.exe

pid	process
1624	svshost.exe
4808	csrss.exe
4808	csrss.exe

description	pid	process
Token: SeDebugPrivilege	1624	svshost.exe
Token: SeDebugPrivilege	4808	csrss.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

main.exeupdate.exefondue.exesvshost.exe

description	pid	process	target process
PID 4228 wrote to memory of 1340	4228	main.exe	svchost.exe
PID 4228 wrote to memory of 1340	4228	main.exe	svchost.exe
PID 4228 wrote to memory of 1340	4228	main.exe	svchost.exe
PID 4228 wrote to memory of 1624	4228	main.exe	svshost.exe
PID 4228 wrote to memory of 1624	4228	main.exe	svshost.exe
PID 4228 wrote to memory of 1624	4228	main.exe	svshost.exe
PID 4228 wrote to memory of 1092	4228	main.exe	update.exe
PID 4228 wrote to memory of 1092	4228	main.exe	update.exe
PID 4228 wrote to memory of 1092	4228	main.exe	update.exe
PID 1092 wrote to memory of 1316	1092	update.exe	fondue.exe
PID 1092 wrote to memory of 1316	1092	update.exe	fondue.exe
PID 1092 wrote to memory of 1316	1092	update.exe	fondue.exe
PID 4228 wrote to memory of 4808	4228	main.exe	csrss.exe
PID 4228 wrote to memory of 4808	4228	main.exe	csrss.exe
PID 4228 wrote to memory of 4808	4228	main.exe	csrss.exe
PID 1316 wrote to memory of 4152	1316	fondue.exe	FonDUE.EXE
PID 1316 wrote to memory of 4152	1316	fondue.exe	FonDUE.EXE
PID 1624 wrote to memory of 1132	1624	svshost.exe	netsh.exe
PID 1624 wrote to memory of 1132	1624	svshost.exe	netsh.exe
PID 1624 wrote to memory of 1132	1624	svshost.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

svshost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svshost.exe

outlook_win_path 1 IoCs

Processes:

svshost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svshost.exe

C:\Users\Admin\AppData\Local\Temp\main.exe
"C:\Users\Admin\AppData\Local\Temp\main.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:4228

C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svchost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svchost.exe"
2⤵
- Executes dropped EXE
PID:1340

C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1624

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1132

C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\update.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\update.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
3⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\system32\FonDUE.EXE
"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
4⤵
PID:4152

C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe"
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4808

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svchost.exe
Filesize
30KB

MD5
cd01b6f8a2e8fe00f0449df391c2f331

SHA1
f3b8e7a655b312863b7b32129cb2a89a29bfc3d9

SHA256
0de434935d1308a30cf592be774296e2d14bb5780b21a69ed36c6d4c77976840

SHA512
752fcfce2d7f34d9be5a3bfd88169820d4b37131da67118bd7990763a4ed31890e072696da8e0840915d05054d9e491353b35ed76ac92bdb9a58a152b775cfb5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svchost.exe
Filesize
30KB

MD5
cd01b6f8a2e8fe00f0449df391c2f331

SHA1
f3b8e7a655b312863b7b32129cb2a89a29bfc3d9

SHA256
0de434935d1308a30cf592be774296e2d14bb5780b21a69ed36c6d4c77976840

SHA512
752fcfce2d7f34d9be5a3bfd88169820d4b37131da67118bd7990763a4ed31890e072696da8e0840915d05054d9e491353b35ed76ac92bdb9a58a152b775cfb5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe
Filesize
171KB

MD5
c9e64773ed0c170edc9a82e7ade64a4b

SHA1
07fb7b49207ba40f5620ced4b61dbceab1223185

SHA256
8ff58b0569d87e4dd65124eb0e7e3bed83fe723e4726d3627958aa4914688e53

SHA512
9b7eb0e2a1cb2e1c94580dd47b2ed312de497fa4888b3c8f49bead5c406e8e06c99ccfa503fc4194c361e6759b8795abc266618c5222efe5dbd9442d3c866cdc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\svshost.exe
Filesize
171KB

MD5
c9e64773ed0c170edc9a82e7ade64a4b

SHA1
07fb7b49207ba40f5620ced4b61dbceab1223185

SHA256
8ff58b0569d87e4dd65124eb0e7e3bed83fe723e4726d3627958aa4914688e53

SHA512
9b7eb0e2a1cb2e1c94580dd47b2ed312de497fa4888b3c8f49bead5c406e8e06c99ccfa503fc4194c361e6759b8795abc266618c5222efe5dbd9442d3c866cdc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\update.exe
Filesize
89KB

MD5
66379ef40063ccde19bbc3ac718d5161

SHA1
3e1f05f41309d57f7e3f42bc88fc68c83e2fcd5a

SHA256
5331ac560de3a551bab998560159171eda960d3f6861ae882ca02216b043b27a

SHA512
d71a1b2d88aa825d26a5be2bc0b28bf04443eb8ed36df5768d390a53deb7ee320c88b697b7be98c507383714ff2ca3be9947548f45552ac4375797b9851c257a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\update.exe
Filesize
89KB

MD5
66379ef40063ccde19bbc3ac718d5161

SHA1
3e1f05f41309d57f7e3f42bc88fc68c83e2fcd5a

SHA256
5331ac560de3a551bab998560159171eda960d3f6861ae882ca02216b043b27a

SHA512
d71a1b2d88aa825d26a5be2bc0b28bf04443eb8ed36df5768d390a53deb7ee320c88b697b7be98c507383714ff2ca3be9947548f45552ac4375797b9851c257a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe
Filesize
3.0MB

MD5
9868cccd61dfd71cf70648324b02ffb1

SHA1
29c14c7576a229d7751693f7819425416dcd7cc7

SHA256
8786f2138dd203ad356814abffc716882b593f630f0ab46be144609777e8ef68

SHA512
59616302c9980971a3553a0d7c031f03550f4050339015c3b597fe0917502b495645248feef4047631618fae48990e4cf15bde170c7eea31d2f50501f360878e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe
Filesize
3.0MB

MD5
9868cccd61dfd71cf70648324b02ffb1

SHA1
29c14c7576a229d7751693f7819425416dcd7cc7

SHA256
8786f2138dd203ad356814abffc716882b593f630f0ab46be144609777e8ef68

SHA512
59616302c9980971a3553a0d7c031f03550f4050339015c3b597fe0917502b495645248feef4047631618fae48990e4cf15bde170c7eea31d2f50501f360878e

Download Submit
memory/1092-142-0x0000000000000000-mapping.dmp

Download
memory/1132-151-0x0000000000000000-mapping.dmp

Download
memory/1316-145-0x0000000000000000-mapping.dmp

Download
memory/1340-138-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/1340-134-0x0000000000000000-mapping.dmp

Download
memory/1624-137-0x0000000000000000-mapping.dmp

Download
memory/1624-152-0x00000000062B0000-0x0000000006472000-memory.dmp

Filesize
1.8MB

Download
memory/1624-141-0x0000000000240000-0x0000000000274000-memory.dmp

Filesize
208KB

Download
memory/1624-147-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/4152-150-0x0000000000000000-mapping.dmp

Download
memory/4228-130-0x0000000000C00000-0x00000000029D2000-memory.dmp

Filesize
29.8MB

Download
memory/4228-133-0x000000000CCA0000-0x000000000CCAA000-memory.dmp

Filesize
40KB

Download
memory/4228-132-0x000000000BBE0000-0x000000000BC72000-memory.dmp

Filesize
584KB

Download
memory/4228-131-0x000000000C0B0000-0x000000000C654000-memory.dmp

Filesize
5.6MB

Download
memory/4808-156-0x0000000000A50000-0x0000000001274000-memory.dmp

Filesize
8.1MB

Download
memory/4808-155-0x0000000000A50000-0x0000000001274000-memory.dmp

Filesize
8.1MB

Download
memory/4808-146-0x0000000000000000-mapping.dmp

Download
memory/4808-157-0x0000000076EE0000-0x0000000077083000-memory.dmp

Filesize
1.6MB

Download
memory/4808-158-0x0000000006620000-0x0000000006C38000-memory.dmp

Filesize
6.1MB

Download
memory/4808-159-0x0000000005D30000-0x0000000005D42000-memory.dmp

Filesize
72KB

Download
memory/4808-160-0x0000000005D90000-0x0000000005DCC000-memory.dmp

Filesize
240KB

Download
memory/4808-161-0x0000000006230000-0x000000000633A000-memory.dmp

Filesize
1.0MB

Download
memory/4808-162-0x0000000007B50000-0x000000000807C000-memory.dmp

Filesize
5.2MB

Download
memory/4808-163-0x0000000007620000-0x0000000007686000-memory.dmp

Filesize
408KB

Download
memory/4808-164-0x0000000007900000-0x0000000007976000-memory.dmp

Filesize
472KB

Download
memory/4808-165-0x0000000007B00000-0x0000000007B1E000-memory.dmp

Filesize
120KB

Download