redline | cfda8a8f592bf381e19088876f0458ca145fca401d53dccf409803b768218b43

Analysis

max time kernel
155s
max time network
159s
platform
windows7_x64
resource
win7v20210410
submitted
13-08-2021 07:58

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General

Target

6630430d151ae9cb399f5c8d66e7877f.exe
Size

180KB
MD5

6630430d151ae9cb399f5c8d66e7877f
SHA1

342d8fe856000dd7f937b99cdff532965930e053
SHA256

cfda8a8f592bf381e19088876f0458ca145fca401d53dccf409803b768218b43
SHA512

2b59ce8202cb38423b912a679934c74638c45b0527c7fc0f3cd374fb50b3304e8a0814c7a610afd8ab2d25fe0aea93f3b3f8f777512e97aab14eb53e218e36e4

Score

10^/10

redline smokeloader backdoor evasion infostealer suricata themida trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata
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 6 IoCs

Processes:

3524.exe38CD.exeRuntimebroker.exe3C95.exe40CB.exe4DF5.exe

pid process

1920 3524.exe
772 38CD.exe
1488 Runtimebroker.exe
1928 3C95.exe
1152 40CB.exe
912 4DF5.exe

pid	process
1920	3524.exe
772	38CD.exe
1488	Runtimebroker.exe
1928	3C95.exe
1152	40CB.exe
912	4DF5.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:

4DF5.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4DF5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4DF5.exe

Deletes itself 1 IoCs

Processes:

pid process

1256

pid	process
1256

Drops startup file 2 IoCs

Processes:

cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchostsw.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchostsw.exe	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

38CD.exe

pid process

772 38CD.exe
772 38CD.exe

pid	process
772	38CD.exe
772	38CD.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\4DF5.exe	themida
behavioral1/memory/912-94-0x0000000000A60000-0x0000000000A61000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

4DF5.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4DF5.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4DF5.exe

pid process

912 4DF5.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

6630430d151ae9cb399f5c8d66e7877f.exe

description pid process target process

PID 2008 set thread context of 1344 2008 6630430d151ae9cb399f5c8d66e7877f.exe 6630430d151ae9cb399f5c8d66e7877f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4DF5.exe

pid	process
912	4DF5.exe

description	pid	process	target process
PID 2008 set thread context of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6630430d151ae9cb399f5c8d66e7877f.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6630430d151ae9cb399f5c8d66e7877f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6630430d151ae9cb399f5c8d66e7877f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6630430d151ae9cb399f5c8d66e7877f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

6630430d151ae9cb399f5c8d66e7877f.exe

pid	process
1344	6630430d151ae9cb399f5c8d66e7877f.exe
1344	6630430d151ae9cb399f5c8d66e7877f.exe
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256
1256

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1256
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

6630430d151ae9cb399f5c8d66e7877f.exe

pid process

1344 6630430d151ae9cb399f5c8d66e7877f.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4DF5.exe

description pid process

Token: SeShutdownPrivilege 1256
Token: SeShutdownPrivilege 1256
Token: SeDebugPrivilege 912 4DF5.exe
Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

pid process

1256
1256
1256
1256
1256
1256
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

pid process

1256
1256
1256
1256
1256
1256
1256
1256
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3524.exe

pid process

1920 3524.exe

pid	process
1256

description	pid	process
Token: SeShutdownPrivilege	1256
Token: SeShutdownPrivilege	1256
Token: SeDebugPrivilege	912	4DF5.exe

pid	process
1256
1256
1256
1256
1256
1256

pid	process
1256
1256
1256
1256
1256
1256
1256
1256

pid	process
1920	3524.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

6630430d151ae9cb399f5c8d66e7877f.exe38CD.exe3C95.exe

description	pid	process	target process
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 2008 wrote to memory of 1344	2008	6630430d151ae9cb399f5c8d66e7877f.exe	6630430d151ae9cb399f5c8d66e7877f.exe
PID 1256 wrote to memory of 1920	1256		3524.exe
PID 1256 wrote to memory of 1920	1256		3524.exe
PID 1256 wrote to memory of 1920	1256		3524.exe
PID 1256 wrote to memory of 1920	1256		3524.exe
PID 1256 wrote to memory of 772	1256		38CD.exe
PID 1256 wrote to memory of 772	1256		38CD.exe
PID 1256 wrote to memory of 772	1256		38CD.exe
PID 1256 wrote to memory of 772	1256		38CD.exe
PID 772 wrote to memory of 1488	772	38CD.exe	Runtimebroker.exe
PID 772 wrote to memory of 1488	772	38CD.exe	Runtimebroker.exe
PID 772 wrote to memory of 1488	772	38CD.exe	Runtimebroker.exe
PID 772 wrote to memory of 1488	772	38CD.exe	Runtimebroker.exe
PID 1256 wrote to memory of 1928	1256		3C95.exe
PID 1256 wrote to memory of 1928	1256		3C95.exe
PID 1256 wrote to memory of 1928	1256		3C95.exe
PID 1256 wrote to memory of 1928	1256		3C95.exe
PID 1256 wrote to memory of 1152	1256		40CB.exe
PID 1256 wrote to memory of 1152	1256		40CB.exe
PID 1256 wrote to memory of 1152	1256		40CB.exe
PID 1256 wrote to memory of 1152	1256		40CB.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1256 wrote to memory of 912	1256		4DF5.exe
PID 1928 wrote to memory of 1632	1928	3C95.exe	cmd.exe
PID 1928 wrote to memory of 1632	1928	3C95.exe	cmd.exe
PID 1928 wrote to memory of 1632	1928	3C95.exe	cmd.exe
PID 1928 wrote to memory of 1632	1928	3C95.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\6630430d151ae9cb399f5c8d66e7877f.exe
"C:\Users\Admin\AppData\Local\Temp\6630430d151ae9cb399f5c8d66e7877f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\6630430d151ae9cb399f5c8d66e7877f.exe
"C:\Users\Admin\AppData\Local\Temp\6630430d151ae9cb399f5c8d66e7877f.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1344

C:\Users\Admin\AppData\Local\Temp\3524.exe
C:\Users\Admin\AppData\Local\Temp\3524.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1920

C:\Users\Admin\AppData\Local\Temp\38CD.exe
C:\Users\Admin\AppData\Local\Temp\38CD.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:772

C:\ProgramData\Runtimebroker.exe
"C:\ProgramData\Runtimebroker.exe"
2⤵
- Executes dropped EXE
PID:1488

C:\Users\Admin\AppData\Local\Temp\3C95.exe
C:\Users\Admin\AppData\Local\Temp\3C95.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\cmd.exe
cmd /Q /C C:\Users\Admin\AppData\Local\Temp/s.bat
2⤵
- Drops startup file
PID:1632

C:\Users\Admin\AppData\Local\Temp\40CB.exe
C:\Users\Admin\AppData\Local\Temp\40CB.exe
1⤵
- Executes dropped EXE
PID:1152

C:\Users\Admin\AppData\Local\Temp\4DF5.exe
C:\Users\Admin\AppData\Local\Temp\4DF5.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Runtimebroker.exe
MD5
4f2f17aaf39970811b9f822b1496dc01

SHA1
bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876

SHA256
3ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b

SHA512
44c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\3524.exe
MD5
a69e12607d01237460808fa1709e5e86

SHA1
4a12f82aee1c90e70cdf6be863ce1a749c8ae411

SHA256
188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc

SHA512
7533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284

Download Submit
C:\Users\Admin\AppData\Local\Temp\38CD.exe
MD5
4f2f17aaf39970811b9f822b1496dc01

SHA1
bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876

SHA256
3ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b

SHA512
44c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\38CD.exe
MD5
4f2f17aaf39970811b9f822b1496dc01

SHA1
bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876

SHA256
3ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b

SHA512
44c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\3C95.exe
MD5
b19ac380411ed5d8b5a7e7e0c1da61a6

SHA1
9665c20336a5ce437bbf7b564370bfa43e99954c

SHA256
aba88a19b2f6e2cf9a6a41ab8661d83c433acec363028f58dd74d37e335c7619

SHA512
73b4e3555cf9496a7138a2c7071ed81a754493afaf15f604a305f3eb051ed72645731a6174b0934f24371dbe5bd8c0185516f87778a018d84df4fff8aea0c208

Download Submit
C:\Users\Admin\AppData\Local\Temp\3C95.exe
MD5
b19ac380411ed5d8b5a7e7e0c1da61a6

SHA1
9665c20336a5ce437bbf7b564370bfa43e99954c

SHA256
aba88a19b2f6e2cf9a6a41ab8661d83c433acec363028f58dd74d37e335c7619

SHA512
73b4e3555cf9496a7138a2c7071ed81a754493afaf15f604a305f3eb051ed72645731a6174b0934f24371dbe5bd8c0185516f87778a018d84df4fff8aea0c208

Download Submit
C:\Users\Admin\AppData\Local\Temp\40CB.exe
MD5
5707ddada5b7ea6bef434cd294fa12e1

SHA1
45bb285a597b30e100ed4b15d96a29d718697e5e

SHA256
85205aa3ad824b5172d5da841d253c3a54aff5d00eb2c208029e9453008f132c

SHA512
91cbdbf8da7e4e34de45a99359bdc321a66d6646ed14a1042346824c8daa6237281eff3b00fd162009c5e3204e5a7cd3b944f05e18b7f9066d0f9dd16b56bf13

Download Submit
C:\Users\Admin\AppData\Local\Temp\40CB.exe
MD5
5707ddada5b7ea6bef434cd294fa12e1

SHA1
45bb285a597b30e100ed4b15d96a29d718697e5e

SHA256
85205aa3ad824b5172d5da841d253c3a54aff5d00eb2c208029e9453008f132c

SHA512
91cbdbf8da7e4e34de45a99359bdc321a66d6646ed14a1042346824c8daa6237281eff3b00fd162009c5e3204e5a7cd3b944f05e18b7f9066d0f9dd16b56bf13

Download Submit
C:\Users\Admin\AppData\Local\Temp\4DF5.exe
MD5
717d65dba56f47e540dca074c3977b3d

SHA1
d58aa30f826f41663e693f0ad930fdce584f1672

SHA256
61fb1160ae372d9ba1c95400d5439450c6a66cdf073fa50ee2d5d10c4952cbb3

SHA512
b06e4358411eb8f6315c574922c021bd57218b3e6a0ed727df6b44e20e7818d40fb0347050ce9145ea7e0fd56a7fa93a2358e524c0df030d6d44067c7c83510d

Download Submit
C:\Users\Admin\AppData\Local\Temp\s.bat
MD5
bedf353925226883859cdc81c6d4f474

SHA1
dbacf8e6b6e45aee86a49a877751b009f46d7e4e

SHA256
ceb3a90cdc33896b91da962e4fc7b6bd4639f00b899f5a84526c784e924b7b46

SHA512
321db91b4ef8b6d71225e899d4fb5de592436669dc217f89d792e71b937f47246ab892064297647a4c19ed589490eae753f9af32f4182f61a7b3af3e80f29225

Download Submit
\ProgramData\Runtimebroker.exe
MD5
4f2f17aaf39970811b9f822b1496dc01

SHA1
bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876

SHA256
3ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b

SHA512
44c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9

Download Submit
\ProgramData\Runtimebroker.exe
MD5
4f2f17aaf39970811b9f822b1496dc01

SHA1
bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876

SHA256
3ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b

SHA512
44c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9

Download Submit
memory/772-76-0x00000000001B0000-0x00000000001EB000-memory.dmp

Filesize
236KB

Download
memory/772-78-0x0000000000400000-0x0000000002C7C000-memory.dmp

Filesize
40.5MB

Download
memory/772-69-0x0000000000000000-mapping.dmp

Download
memory/912-88-0x0000000000000000-mapping.dmp

Download
memory/912-98-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/912-94-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/1152-97-0x0000000004840000-0x0000000004841000-memory.dmp

Filesize
4KB

Download
memory/1152-91-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/1152-83-0x0000000000000000-mapping.dmp

Download
memory/1256-64-0x0000000002220000-0x0000000002236000-memory.dmp

Filesize
88KB

Download
memory/1344-62-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1344-61-0x0000000000402E1A-mapping.dmp

Download
memory/1344-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1488-75-0x0000000000000000-mapping.dmp

Download
memory/1488-82-0x0000000000400000-0x0000000002C7C000-memory.dmp

Filesize
40.5MB

Download
memory/1632-101-0x0000000000000000-mapping.dmp

Download
memory/1920-65-0x0000000000000000-mapping.dmp

Download
memory/1928-86-0x0000000003230000-0x0000000003473000-memory.dmp

Filesize
2.3MB

Download
memory/1928-79-0x0000000000000000-mapping.dmp

Download
memory/1928-99-0x0000000000400000-0x0000000002D86000-memory.dmp

Filesize
41.5MB

Download
memory/1928-96-0x0000000004FB0000-0x00000000051C1000-memory.dmp

Filesize
2.1MB

Download
memory/1928-87-0x0000000000400000-0x0000000002D86000-memory.dmp

Filesize
41.5MB

Download
memory/2008-63-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download