smokeloader | ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2022 02:15

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General

Target

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
Size

197KB
MD5

53b2f535388f0c4e09f0a8d883bc03fb
SHA1

594eb5c7969e7c95f2b2838dff407c46e8148921
SHA256

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b
SHA512

23ee850705f59366c5e86967b2bf1baf28c482163b4d27dff4b8fff175e3f21cdced1b5fb4403be06aebcf766aadf14b7baf0395d4474d41c118b3254db22a5c
SSDEEP

3072:DW5jBLPEMQOdN5Il5tjbdRkbnuVUo+me6YGEpBczg3/PkkXx:WLHQOihxRGzoEmg

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4664-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1144-135-0x0000000000600000-0x0000000000609000-memory.dmp	family_smokeloader
behavioral1/memory/4664-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4664-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

description	pid	process	target process
PID 1144 set thread context of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.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:

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

pid	process
4664	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
4664	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2712
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

pid process

4664 ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

pid	process
2712

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

description	pid	process	target process
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
PID 1144 wrote to memory of 4664	1144	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe	ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe

C:\Users\Admin\AppData\Local\Temp\ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
"C:\Users\Admin\AppData\Local\Temp\ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\AppData\Local\Temp\ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe
"C:\Users\Admin\AppData\Local\Temp\ab2f920e3e61642a0e97279402e41cd91ded22a9c20a548f28b61532d066ab5b.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1144-134-0x0000000000818000-0x0000000000829000-memory.dmp

Filesize
68KB

Download
memory/1144-135-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/4664-132-0x0000000000000000-mapping.dmp

Download
memory/4664-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4664-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4664-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download