smokeloader | 219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638

General

Target

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
Size

300KB
MD5

6bb0339c7f458dc6eeb38080b0552c5f
SHA1

3f76fa5794d88dcb7a1bb187ed26bfce2d72b564
SHA256

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638
SHA512

9ad2e2d617ba539c5f50dbde9b74c322baf1a05fb32f7f1079801324aa99bdb6873f06b8079f5677ecac9aa4af2c49e2e24de106d694b5e92f63c1047a55cf2d
SSDEEP

3072:CwQb6bFIuLZJ4knRGvuCJRXWHei+/8Utnp3suQjiMTE5F+nyafM:CFG/LZH02CUG8a2uQj9Q+nya

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2092-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2576-135-0x00000000004E0000-0x00000000004E9000-memory.dmp	family_smokeloader
behavioral1/memory/2092-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2092-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4960-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4960-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 2 IoCs

Processes:

ahicfbrahicfbr

pid process

4144 ahicfbr
4960 ahicfbr

pid	process
4144	ahicfbr
4960	ahicfbr

Suspicious use of SetThreadContext 2 IoCs

Processes:

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exeahicfbr

description	pid	process	target process
PID 2576 set thread context of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 4144 set thread context of 4960	4144	ahicfbr	ahicfbr

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exeahicfbr

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahicfbr
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahicfbr
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ahicfbr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe

pid	process
2092	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
2092	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2728
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exeahicfbr

pid process

2092 219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
4960 ahicfbr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2728
Token: SeCreatePagefilePrivilege 2728

pid	process
2728

description	pid	process
Token: SeShutdownPrivilege	2728
Token: SeCreatePagefilePrivilege	2728

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exeahicfbr

description	pid	process	target process
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 2576 wrote to memory of 2092	2576	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe	219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr
PID 4144 wrote to memory of 4960	4144	ahicfbr	ahicfbr

C:\Users\Admin\AppData\Local\Temp\219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
"C:\Users\Admin\AppData\Local\Temp\219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2576

C:\Users\Admin\AppData\Local\Temp\219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe
"C:\Users\Admin\AppData\Local\Temp\219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2092

C:\Users\Admin\AppData\Roaming\ahicfbr
C:\Users\Admin\AppData\Roaming\ahicfbr
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4144

C:\Users\Admin\AppData\Roaming\ahicfbr
C:\Users\Admin\AppData\Roaming\ahicfbr
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ahicfbr
Filesize
300KB

MD5
6bb0339c7f458dc6eeb38080b0552c5f

SHA1
3f76fa5794d88dcb7a1bb187ed26bfce2d72b564

SHA256
219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638

SHA512
9ad2e2d617ba539c5f50dbde9b74c322baf1a05fb32f7f1079801324aa99bdb6873f06b8079f5677ecac9aa4af2c49e2e24de106d694b5e92f63c1047a55cf2d

Download Submit
C:\Users\Admin\AppData\Roaming\ahicfbr
Filesize
300KB

MD5
6bb0339c7f458dc6eeb38080b0552c5f

SHA1
3f76fa5794d88dcb7a1bb187ed26bfce2d72b564

SHA256
219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638

SHA512
9ad2e2d617ba539c5f50dbde9b74c322baf1a05fb32f7f1079801324aa99bdb6873f06b8079f5677ecac9aa4af2c49e2e24de106d694b5e92f63c1047a55cf2d

Download Submit
C:\Users\Admin\AppData\Roaming\ahicfbr
Filesize
300KB

MD5
6bb0339c7f458dc6eeb38080b0552c5f

SHA1
3f76fa5794d88dcb7a1bb187ed26bfce2d72b564

SHA256
219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638

SHA512
9ad2e2d617ba539c5f50dbde9b74c322baf1a05fb32f7f1079801324aa99bdb6873f06b8079f5677ecac9aa4af2c49e2e24de106d694b5e92f63c1047a55cf2d

Download Submit
memory/2092-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2092-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2092-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2092-132-0x0000000000000000-mapping.dmp

Download
memory/2576-135-0x00000000004E0000-0x00000000004E9000-memory.dmp

Filesize
36KB

Download
memory/2576-134-0x000000000066E000-0x0000000000683000-memory.dmp

Filesize
84KB

Download
memory/4144-143-0x000000000069E000-0x00000000006B3000-memory.dmp

Filesize
84KB

Download
memory/4960-140-0x0000000000000000-mapping.dmp

Download
memory/4960-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4960-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads