smokeloader | 6080b64c76f77256cd15adad98e5fc85869586e069fccdb9d1477476acdb310b

General

Target

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
Size

239KB
MD5

8a5998ead64eeb32576a01030d890393
SHA1

5cd5662226bd724a136627834e2b1beacdb951a0
SHA256

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b
SHA512

85387bd3ff646c17666dfd850e698654eafde9708de53b3b51e74f40e69e5afe76e40edaa25b0771f8d7594c5dd9aaa6626901a6f3ffdf424ae60d32e995142b
SSDEEP

3072:rfULUw/frbCOs7FHrG1d7nQ3At2ui0gjLM+LgeRp:rfULzfSOaFUdOI8IGge

Score

10^/10

smokeloader up3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

3348
Executes dropped EXE 2 IoCs

Processes:

1DCF.exe2504.exe

pid process

2196 1DCF.exe
5084 2504.exe

pid	process
3348

pid	process
2196	1DCF.exe
5084	2504.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

description	pid	process	target process
PID 956 set thread context of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.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

Processes:

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

pid	process
4948	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
4948	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
3348
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3348

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

pid process

4948 cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe

description	pid	process	target process
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 956 wrote to memory of 4948	956	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe	cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
PID 3348 wrote to memory of 2196	3348		1DCF.exe
PID 3348 wrote to memory of 2196	3348		1DCF.exe
PID 3348 wrote to memory of 2196	3348		1DCF.exe
PID 3348 wrote to memory of 5084	3348		2504.exe
PID 3348 wrote to memory of 5084	3348		2504.exe
PID 3348 wrote to memory of 5084	3348		2504.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
"C:\Users\Admin\AppData\Local\Temp\cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:956

C:\Users\Admin\AppData\Local\Temp\cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe
"C:\Users\Admin\AppData\Local\Temp\cedd6842dc8e5b7b943cba42c7b1229e71963dfc5c47c52165947adb1287248b.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4948

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 --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:2188

C:\Users\Admin\AppData\Local\Temp\1DCF.exe
C:\Users\Admin\AppData\Local\Temp\1DCF.exe
1⤵
- Executes dropped EXE
PID:2196

C:\Users\Admin\AppData\Local\Temp\2504.exe
C:\Users\Admin\AppData\Local\Temp\2504.exe
1⤵
- Executes dropped EXE
PID:5084

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\1DCF.exe
Filesize
5.0MB

MD5
10ef283264e5050eb40f465feabeea60

SHA1
5c2b60ad7c2089db827532fed6069bdf74b505f8

SHA256
6d45d61463e3521aa6d3d31bd7e953d38c6381c0e1b526dcb28c7f2786669eb6

SHA512
c4e4080840991a829b05c76a55f6da6bffc9f618c7a1214d4d0b84e6e714d7b0e5646a99a5d92188f71801e6b7269069728f328d3a3b3fda577191372f399080

Download Submit
C:\Users\Admin\AppData\Local\Temp\2504.exe
Filesize
385KB

MD5
bdbfccc2b71c0d7f9de70aba81597b52

SHA1
ebb97f2a7fe51ff607a1d1b7557c995dd1cc275a

SHA256
082e8792e48e6ae0b16330f6bde833c42158ba2c9b75fad31ebc3d939f8a0042

SHA512
fba755745e82b6acd1e74e15ce9bc729a9b0e85bbb1975959c1b5d7ab1e6859efc715de87c3f4b6ef4bb21a25d9246142e96323cfc5d732ae6007b4690dcd417

Download Submit
memory/956-2-0x0000000002460000-0x0000000002469000-memory.dmp

Filesize
36KB

Download
memory/956-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

Filesize
1024KB

Download
memory/2196-26-0x00000000026E0000-0x0000000002766000-memory.dmp

Filesize
536KB

Download
memory/2196-27-0x00000000FFDB0000-0x00000000FFE38000-memory.dmp

Filesize
544KB

Download
memory/2196-31-0x00000000FFDB0000-0x00000000FFE38000-memory.dmp

Filesize
544KB

Download
memory/2196-32-0x00000000026E0000-0x0000000002766000-memory.dmp

Filesize
536KB

Download
memory/3348-6-0x0000000002D90000-0x0000000002DA6000-memory.dmp

Filesize
88KB

Download
memory/4948-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4948-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4948-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4948-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5084-20-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/5084-23-0x0000000077700000-0x0000000077915000-memory.dmp

Filesize
2.1MB

Download
memory/5084-24-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads