smokeloader | c93836ac093280312a9bfdbb500c2f9ba74f293cd407d0e546a32b8d85ce06de

General

Target

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
Size

167KB
MD5

da4afd549426c3e6295e9a72e3872cda
SHA1

5e523e4069b17263af7e96afa24efd2227ec2158
SHA256

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad
SHA512

9c34bfe0ae72461e88c086aaac8746e5a6e730223fcd2788e889432ebd25eba1acd4dcdd9917b9d180989a604b90e1ac5272187252140ad7631a97331b1a5d2a
SSDEEP

3072:Wrd9Ya2ZukYxzS5baNcb/ZfnKIoq4+2pGSbAP:wPELYxwvBCIL4PGJP

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/892-54-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/892-55-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1852-58-0x00000000001B0000-0x00000000001B9000-memory.dmp	family_smokeloader
behavioral1/memory/892-59-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/892-60-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

description	pid	process	target process
PID 1852 set thread context of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.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:

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

pid	process
892	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
892	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

pid process

892 a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

description	pid	process	target process
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
PID 1852 wrote to memory of 892	1852	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe	a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe

C:\Users\Admin\AppData\Local\Temp\a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
"C:\Users\Admin\AppData\Local\Temp\a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe
  "C:\Users\Admin\AppData\Local\Temp\a23071ca8b7cb1a2a85fd54efe3a5cf2f80470c9846efce69dd72d659f2670ad.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/892-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/892-55-0x0000000000402DD8-mapping.dmp

Download
memory/892-57-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/892-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/892-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1852-56-0x000000000030B000-0x000000000031C000-memory.dmp

Filesize
68KB

Download
memory/1852-58-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads