smokeloader | b075bb81edd55fa1a3fb85d304fe852e782ed7f0f6ce5410db289ec97b5af476

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 07:39

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General

Target

03071d90baee16127c9c7239b268d910N.exe
Size

263KB
MD5

03071d90baee16127c9c7239b268d910
SHA1

2f12b8c1de73fabeb5a2c0c7e680ecc969bfa757
SHA256

b075bb81edd55fa1a3fb85d304fe852e782ed7f0f6ce5410db289ec97b5af476
SHA512

ce0bec48bc3b092568675aeb1bdc3ea517aaaa94d4b9fe75d468e506da696787146905d88be4880c11841326cb31f0124bde64cfb5b4eac36a5bed0a1ab7580b
SSDEEP

6144:n6a3IeJVoILzGBuXxh33mri0+3r84+MUA:PJyI3XxR3mu0vvA

Score

10^/10

smokeloader 2210 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2210

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2900	03071d90baee16127c9c7239b268d910N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30

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	03071d90baee16127c9c7239b268d910N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30
PID 2032 wrote to memory of 2900	2032	03071d90baee16127c9c7239b268d910N.exe	30

C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe
"C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe
  "C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe"
  2⤵
  - Loads dropped DLL
  PID:2900

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\4DD3.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2032-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2032-5-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2900-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2900-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2900-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download