smokeloader | 39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecba

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
13-01-2025 02:25

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General

Target

39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe
Size

108KB
MD5

be91876e5bb2b4ef78272532312e82a0
SHA1

4f8748a8c75e9f83df0f830c044dd481b248a2b5
SHA256

39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecba
SHA512

06f11ef2c44e31c938977eb7cffdc7220705b1f3e86c781caa7325f1fe3529412affd1327913c1a08e2d1c5ff2172fc07c37b456956ec856c839cab76f1add7b
SSDEEP

1536:SrTOCL3hT4oEq6mTcY5sdq2C2I1XDG8310/NW9c4lbp:GOCLx0oEMcY5y7mzGlyc4J

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2468	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31
PID 848 wrote to memory of 2468	848	39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe	31

C:\Users\Admin\AppData\Local\Temp\39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe
"C:\Users\Admin\AppData\Local\Temp\39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe
  "C:\Users\Admin\AppData\Local\Temp\39048a8ad7f6e7c1f7f11dda969257077cce4c3ddb24820d01c93a03316aecbaN.exe"
  2⤵
  - Loads dropped DLL
  PID:2468

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

\Users\Admin\AppData\Local\Temp\D47F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/848-5-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/848-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/848-13-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2468-7-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2468-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2468-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download