smokeloader | 3f2e2c8457337992953917467e648b1df4a527c11dbb3fb386626e886d610d24

Analysis

max time kernel
131s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 15:28

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General

Target

f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe
Size

207KB
MD5

f8aaff0cfd9eba38e5dada958fef8aa7
SHA1

542eb8495496817064901bd64d008ee4b020d617
SHA256

3f2e2c8457337992953917467e648b1df4a527c11dbb3fb386626e886d610d24
SHA512

7039c12a6896e26028609b78b719f3e619baef3b1c680feb9ecd02dac7caf6c0a8f2e8742a459a7aff1a73f30842755d4019b16c721ab22bef2c0dcb29bb5b95
SSDEEP

3072:7npqOXU9EhrBwIArBNr3Fxrai6WgWFweMI9iTCmBQlY+Z+csCyyMxQkkVJh/1SeL:FqOXUKqTK3lumCW+Z+c18Qk2JhNSeG6

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4736	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3156 set thread context of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89

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	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89
PID 3156 wrote to memory of 4736	3156	f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f8aaff0cfd9eba38e5dada958fef8aa7_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4736

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1416,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:8
1⤵
PID:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3156-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/3156-2-0x0000000000610000-0x000000000061B000-memory.dmp

Filesize
44KB

Download
memory/4736-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4736-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4736-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download