redline | 54dc032c3503998eaa404dde9c677851856838e737edb3d198fb7c173562859e

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-en-20211208
submitted
05-02-2022 10:46

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General

Target

54dc032c3503998eaa404dde9c677851856838e737edb.exe
Size

490KB
MD5

a500638434b5108c1b21426c8d726509
SHA1

6847ba9b1cd63ac4ec14070b570753023efc2ea7
SHA256

54dc032c3503998eaa404dde9c677851856838e737edb3d198fb7c173562859e
SHA512

d24d2473d2ec64f551bd39ce5c577efa4e6c10148dda4bb6d6bfed95732c780f896a1cb68aaa112439b5ba81072913bbdc4e4686e224e41620680dba06cca282

Score

10^/10

redline mama discovery evasion infostealer spyware stealer themida trojan

Malware Config

Extracted

Family

redline

Botnet

mama

91.243.32.100:2358

Signatures

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

RedLine Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1760-60-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/1760-61-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/1760-62-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/1760-63-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

bezadmin.exeservices.exe

pid process

1684 bezadmin.exe
1900 services.exe

pid	process
1684	bezadmin.exe
1900	services.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

bezadmin.exeservices.exe

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

Loads dropped DLL 2 IoCs

Processes:

54dc032c3503998eaa404dde9c677851856838e737edb.execmd.exe

pid process

1760 54dc032c3503998eaa404dde9c677851856838e737edb.exe
1724 cmd.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

pid	process
1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe
1724	cmd.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\bezadmin.exe	themida
C:\Users\Admin\AppData\Local\Temp\bezadmin.exe	themida
behavioral1/memory/1684-71-0x000000013F7F0000-0x000000014074A000-memory.dmp	themida
behavioral1/memory/1684-72-0x000000013F7F0000-0x000000014074A000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\bezadmin.exe	themida
\Users\Admin\AppData\Roaming\Windows\services.exe	themida
C:\Users\Admin\AppData\Roaming\Windows\services.exe	themida

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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

bezadmin.exeservices.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

bezadmin.exe

pid process

1684 bezadmin.exe

pid	process
1684	bezadmin.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

54dc032c3503998eaa404dde9c677851856838e737edb.exe

description	pid	process	target process
PID 1196 set thread context of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1080 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

54dc032c3503998eaa404dde9c677851856838e737edb.exebezadmin.exe

pid process

1760 54dc032c3503998eaa404dde9c677851856838e737edb.exe
1684 bezadmin.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

54dc032c3503998eaa404dde9c677851856838e737edb.exebezadmin.exe

description pid process

Token: SeDebugPrivilege 1760 54dc032c3503998eaa404dde9c677851856838e737edb.exe
Token: SeDebugPrivilege 1684 bezadmin.exe

pid	process
1080	schtasks.exe

pid	process
1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe
1684	bezadmin.exe

description	pid	process
Token: SeDebugPrivilege	1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe
Token: SeDebugPrivilege	1684	bezadmin.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

54dc032c3503998eaa404dde9c677851856838e737edb.exe54dc032c3503998eaa404dde9c677851856838e737edb.exebezadmin.execmd.execmd.exe

description	pid	process	target process
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1196 wrote to memory of 1760	1196	54dc032c3503998eaa404dde9c677851856838e737edb.exe	54dc032c3503998eaa404dde9c677851856838e737edb.exe
PID 1760 wrote to memory of 1684	1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe	bezadmin.exe
PID 1760 wrote to memory of 1684	1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe	bezadmin.exe
PID 1760 wrote to memory of 1684	1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe	bezadmin.exe
PID 1760 wrote to memory of 1684	1760	54dc032c3503998eaa404dde9c677851856838e737edb.exe	bezadmin.exe
PID 1684 wrote to memory of 1028	1684	bezadmin.exe	cmd.exe
PID 1684 wrote to memory of 1028	1684	bezadmin.exe	cmd.exe
PID 1684 wrote to memory of 1028	1684	bezadmin.exe	cmd.exe
PID 1028 wrote to memory of 1080	1028	cmd.exe	schtasks.exe
PID 1028 wrote to memory of 1080	1028	cmd.exe	schtasks.exe
PID 1028 wrote to memory of 1080	1028	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1724	1684	bezadmin.exe	cmd.exe
PID 1684 wrote to memory of 1724	1684	bezadmin.exe	cmd.exe
PID 1684 wrote to memory of 1724	1684	bezadmin.exe	cmd.exe
PID 1724 wrote to memory of 1900	1724	cmd.exe	services.exe
PID 1724 wrote to memory of 1900	1724	cmd.exe	services.exe
PID 1724 wrote to memory of 1900	1724	cmd.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\54dc032c3503998eaa404dde9c677851856838e737edb.exe
"C:\Users\Admin\AppData\Local\Temp\54dc032c3503998eaa404dde9c677851856838e737edb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\54dc032c3503998eaa404dde9c677851856838e737edb.exe
C:\Users\Admin\AppData\Local\Temp\54dc032c3503998eaa404dde9c677851856838e737edb.exe
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\bezadmin.exe
"C:\Users\Admin\AppData\Local\Temp\bezadmin.exe"
3⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\system32\cmd.exe
"cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Windows\services.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Windows\services.exe"
5⤵
- Creates scheduled task(s)
PID:1080

C:\Windows\system32\cmd.exe
"cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Windows\services.exe"
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Roaming\Windows\services.exe
C:\Users\Admin\AppData\Roaming\Windows\services.exe
5⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:1900

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bezadmin.exe
MD5
9eeb85895541741733214875920d6307

SHA1
745a7e4adb17d680666df4e5d488b825217b675d

SHA256
ce1d97d434074b7de7f002a97a918b4524d8485216fec3cf3a3e60bbb721c9b9

SHA512
2407871d3b9fe9a821f45ccf91823addaad92fd9166faac99392bcbe8280a9543ade23284b522ff5b71d16a2dd61e14c036bf30846355a25b4bef8fb94b86b95

Download Submit
C:\Users\Admin\AppData\Local\Temp\bezadmin.exe
MD5
9eeb85895541741733214875920d6307

SHA1
745a7e4adb17d680666df4e5d488b825217b675d

SHA256
ce1d97d434074b7de7f002a97a918b4524d8485216fec3cf3a3e60bbb721c9b9

SHA512
2407871d3b9fe9a821f45ccf91823addaad92fd9166faac99392bcbe8280a9543ade23284b522ff5b71d16a2dd61e14c036bf30846355a25b4bef8fb94b86b95

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\services.exe
MD5
9eeb85895541741733214875920d6307

SHA1
745a7e4adb17d680666df4e5d488b825217b675d

SHA256
ce1d97d434074b7de7f002a97a918b4524d8485216fec3cf3a3e60bbb721c9b9

SHA512
2407871d3b9fe9a821f45ccf91823addaad92fd9166faac99392bcbe8280a9543ade23284b522ff5b71d16a2dd61e14c036bf30846355a25b4bef8fb94b86b95

Download Submit
\Users\Admin\AppData\Local\Temp\bezadmin.exe
MD5
9eeb85895541741733214875920d6307

SHA1
745a7e4adb17d680666df4e5d488b825217b675d

SHA256
ce1d97d434074b7de7f002a97a918b4524d8485216fec3cf3a3e60bbb721c9b9

SHA512
2407871d3b9fe9a821f45ccf91823addaad92fd9166faac99392bcbe8280a9543ade23284b522ff5b71d16a2dd61e14c036bf30846355a25b4bef8fb94b86b95

Download Submit
\Users\Admin\AppData\Roaming\Windows\services.exe
MD5
9eeb85895541741733214875920d6307

SHA1
745a7e4adb17d680666df4e5d488b825217b675d

SHA256
ce1d97d434074b7de7f002a97a918b4524d8485216fec3cf3a3e60bbb721c9b9

SHA512
2407871d3b9fe9a821f45ccf91823addaad92fd9166faac99392bcbe8280a9543ade23284b522ff5b71d16a2dd61e14c036bf30846355a25b4bef8fb94b86b95

Download Submit
memory/1196-56-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/1196-57-0x0000000074B21000-0x0000000074B23000-memory.dmp

Filesize
8KB

Download
memory/1196-55-0x0000000000F30000-0x0000000000FB2000-memory.dmp

Filesize
520KB

Download
memory/1684-72-0x000000013F7F0000-0x000000014074A000-memory.dmp

Filesize
15.4MB

Download
memory/1684-68-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1684-69-0x000007FE80010000-0x000007FE80011000-memory.dmp

Filesize
4KB

Download
memory/1684-71-0x000000013F7F0000-0x000000014074A000-memory.dmp

Filesize
15.4MB

Download
memory/1684-73-0x00000000028F0000-0x00000000028F2000-memory.dmp

Filesize
8KB

Download
memory/1760-65-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/1760-63-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1760-62-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1760-61-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1760-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1760-59-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1760-58-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download