smokeloader | 99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 10:31

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General

Target

99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe
Size

221KB
MD5

d0374984e2c85cc02cb1aa8acf960c88
SHA1

0c042507add3ff0561c9a9ef23fa2dcbd94659f5
SHA256

99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1
SHA512

8ada11cb3780014ccfcec7b66ae4c993217f1cd154a3b90024541bf73f553e133c17ed6d5b654779dfffeb296a8707acb5c802db912c8315ec1239eccc494a31
SSDEEP

3072:0ljfA84HvrdNe5sh+MnydtR337C6YuSfoxMb:ojI84HTdNe5DnH+ySfT

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2776 2792 WerFault.exe 99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe

pid	pid_target	process	target process
2776	2792	WerFault.exe	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe

description	pid	process	target process
PID 2792 wrote to memory of 2776	2792	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe	WerFault.exe
PID 2792 wrote to memory of 2776	2792	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe	WerFault.exe
PID 2792 wrote to memory of 2776	2792	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe	WerFault.exe
PID 2792 wrote to memory of 2776	2792	99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe
"C:\Users\Admin\AppData\Local\Temp\99d0e5b740e084387a3babda92b216defb01d4921d75217d73515e1b436076b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 172
  2⤵
  - Program crash
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2792-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2792-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2792-3-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download