smokeloader | b6f8cdf75993efd765e334d210fd76bd8586a125c2ebbbe271f3fc026db750a7

Analysis

max time kernel
36s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 13:39

Target

37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe
Size

248KB
MD5

1f243595efaa54f6c37a089ec7847c6d
SHA1

83eb38d9f85bdcf12cb781fad34ceb1e31b34b5a
SHA256

37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f
SHA512

58e936e2c5b44a489c75494102228d11d6aa6d3e26e687f20923437c1d44b2e9af5533e3ea53c178c2bc70d656f913158dbc0f5cd8cdc7a3738cba8ad6cbff55
SSDEEP

3072:IDGh7pXYLE2d5+8XTQhtetONYWO9jfBU393KySv53brCTxI:RpXYLEcfXT3hRfG3kyevCFI

Score

10^/10

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.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:

WINWORD.EXE

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2016 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2016 WINWORD.EXE
2016 WINWORD.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE

pid	process
2016	WINWORD.EXE

pid	process
2016	WINWORD.EXE
2016	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2016 wrote to memory of 2792	2016	WINWORD.EXE	splwow64.exe
PID 2016 wrote to memory of 2792	2016	WINWORD.EXE	splwow64.exe
PID 2016 wrote to memory of 2792	2016	WINWORD.EXE	splwow64.exe
PID 2016 wrote to memory of 2792	2016	WINWORD.EXE	splwow64.exe

C:\Users\Admin\AppData\Local\Temp\37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe
"C:\Users\Admin\AppData\Local\Temp\37419d3a8a50d2e5bc0eef676a37d6757ba43a64eff868edb4af5c386900235f.exe"
1⤵
PID:1684

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1684-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1684-1-0x0000000000910000-0x0000000000A10000-memory.dmp

Filesize
1024KB

Download
memory/1684-4-0x0000000000400000-0x0000000000826000-memory.dmp

Filesize
4.1MB

Download
memory/2016-5-0x000000002FF01000-0x000000002FF02000-memory.dmp

Filesize
4KB

Download
memory/2016-6-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2016-7-0x000000007180D000-0x0000000071818000-memory.dmp

Filesize
44KB

Download
memory/2016-32-0x000000007180D000-0x0000000071818000-memory.dmp

Filesize
44KB

Download