smokeloader | 4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428

General

Target

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
Size

234KB
MD5

cc5f35947be6d112c2f8625b30fecb2a
SHA1

98cc827e5347513a7a1f5f65ff9217c28ce1bccb
SHA256

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428
SHA512

6ed0966d9c86f73751965b6a198fc59ecdbf218ee231d40b9c9e7f5b73d0db1d72091bfafcf896bc034042e801303ecca8aad7689274f2802f611ca6eaff5992

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

https://olobus.casa/feedback.php

https://trusho.online/feedback.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 1 IoCs

Processes:

ttgweva

pid process

1552 ttgweva
Deletes itself 1 IoCs

Processes:

pid process

1416
Loads dropped DLL 1 IoCs

Processes:

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

pid process

1072 4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

pid	process
1552	ttgweva

pid	process
1416

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:

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

pid	process
1072	4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
1072	4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
1416
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1416

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1416
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

pid process

1072 4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe

pid	process
1416

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 676 wrote to memory of 1552	676	taskeng.exe	ttgweva
PID 676 wrote to memory of 1552	676	taskeng.exe	ttgweva
PID 676 wrote to memory of 1552	676	taskeng.exe	ttgweva
PID 676 wrote to memory of 1552	676	taskeng.exe	ttgweva

C:\Users\Admin\AppData\Local\Temp\4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe
"C:\Users\Admin\AppData\Local\Temp\4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428.exe"
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1072

C:\Windows\system32\taskeng.exe
taskeng.exe {372A5A57-1DC4-4C6F-926F-CA6359723CD7} S-1-5-21-2329389628-4064185017-3901522362-1000:QSKGHMYQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:676

C:\Users\Admin\AppData\Roaming\ttgweva
C:\Users\Admin\AppData\Roaming\ttgweva
2⤵
- Executes dropped EXE
PID:1552

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp
MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
C:\Users\Admin\AppData\Roaming\ttgweva
MD5
cc5f35947be6d112c2f8625b30fecb2a

SHA1
98cc827e5347513a7a1f5f65ff9217c28ce1bccb

SHA256
4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428

SHA512
6ed0966d9c86f73751965b6a198fc59ecdbf218ee231d40b9c9e7f5b73d0db1d72091bfafcf896bc034042e801303ecca8aad7689274f2802f611ca6eaff5992

Download Submit
C:\Users\Admin\AppData\Roaming\ttgweva
MD5
cc5f35947be6d112c2f8625b30fecb2a

SHA1
98cc827e5347513a7a1f5f65ff9217c28ce1bccb

SHA256
4c5349fce32c77e9ae731a7b745b7006aec55d0bf56e6dd3f7621dec0d387428

SHA512
6ed0966d9c86f73751965b6a198fc59ecdbf218ee231d40b9c9e7f5b73d0db1d72091bfafcf896bc034042e801303ecca8aad7689274f2802f611ca6eaff5992

Download Submit
\Users\Admin\AppData\Local\Temp\5C1B.tmp
MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1072-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/1072-57-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1072-58-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download
memory/1072-59-0x0000000000230000-0x000000000023A000-memory.dmp

Filesize
40KB

Download
memory/1416-60-0x00000000029C0000-0x00000000029D6000-memory.dmp

Filesize
88KB

Download
memory/1552-65-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads