smokeloader | fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 11:09

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General

Target

fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
Size

222KB
MD5

5beab67e02d1d3480a411af022d3c9c7
SHA1

5a5cb906ddfea4fff20ace80785a07f4d1b1e179
SHA256

fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82
SHA512

59e6f7b5529ab0cfcfcbb8f8b8362ffa6f4b1ae154d64265e0f1236df10680170808fa3c3af01b8bb743c07a481ab77cc77d0615a827573e932f9c2432007ea4
SSDEEP

6144:AreQ7SkLyF9I2Z/lNW3xE7+MsqLHuFrcCuu:AK/MzBGs2Ufuu

Score

10^/10

smokeloader 2210 backdoor discovery trojan upx

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
2180	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1656-10-0x0000000000400000-0x00000000047BB000-memory.dmp	upx
behavioral1/memory/1656-3-0x0000000000400000-0x00000000047BB000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29

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	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29
PID 1656 wrote to memory of 2180	1656	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	29

C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
"C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe"
  2⤵
  - Loads dropped DLL
  PID:2180

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

Replay Monitor

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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/1656-6-0x0000000000030000-0x000000000003D000-memory.dmp

Filesize
52KB

Download
memory/1656-5-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1656-10-0x0000000000400000-0x00000000047BB000-memory.dmp

Filesize
67.7MB

Download
memory/1656-3-0x0000000000400000-0x00000000047BB000-memory.dmp

Filesize
67.7MB

Download
memory/1656-11-0x0000000000400000-0x00000000047BB000-memory.dmp

Filesize
67.7MB

Download
memory/2180-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2180-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download