fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

General

Target

file.exe
Size

299KB
MD5

41b883a061c95e9b9cb17d4ca50de770
SHA1

1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA256

fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
SHA512

cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319
SSDEEP

6144:2neDcgRQv5VaNT9DW7a6dtM9VstSttuvqIT:2O0v5VuT9DW7hdt9tKt2qI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

Processes:

mstsca.exemstsca.exemstsca.exemstsca.exe

pid process

2980 mstsca.exe
2716 mstsca.exe
2424 mstsca.exe
2564 mstsca.exe

pid	process
2980	mstsca.exe
2716	mstsca.exe
2424	mstsca.exe
2564	mstsca.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

file.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2392 set thread context of 1728	2392	file.exe	file.exe
PID 2980 set thread context of 2716	2980	mstsca.exe	mstsca.exe
PID 2424 set thread context of 2564	2424	mstsca.exe	mstsca.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2636 schtasks.exe
2132 schtasks.exe

pid	process
2636	schtasks.exe
2132	schtasks.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

file.exefile.exetaskeng.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 2392 wrote to memory of 1728	2392	file.exe	file.exe
PID 1728 wrote to memory of 2132	1728	file.exe	schtasks.exe
PID 1728 wrote to memory of 2132	1728	file.exe	schtasks.exe
PID 1728 wrote to memory of 2132	1728	file.exe	schtasks.exe
PID 1728 wrote to memory of 2132	1728	file.exe	schtasks.exe
PID 2740 wrote to memory of 2980	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2980	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2980	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2980	2740	taskeng.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2980 wrote to memory of 2716	2980	mstsca.exe	mstsca.exe
PID 2716 wrote to memory of 2636	2716	mstsca.exe	schtasks.exe
PID 2716 wrote to memory of 2636	2716	mstsca.exe	schtasks.exe
PID 2716 wrote to memory of 2636	2716	mstsca.exe	schtasks.exe
PID 2716 wrote to memory of 2636	2716	mstsca.exe	schtasks.exe
PID 2740 wrote to memory of 2424	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2424	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2424	2740	taskeng.exe	mstsca.exe
PID 2740 wrote to memory of 2424	2740	taskeng.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe
PID 2424 wrote to memory of 2564	2424	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
    3⤵
    - Creates scheduled task(s)
    PID:2132

C:\Windows\system32\taskeng.exe
taskeng.exe {27B9975A-47FD-4BD0-9DCB-8B111DE333BB} S-1-5-21-2952504676-3105837840-1406404655-1000:URUOZWGF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
      4⤵
      Creates scheduled task(s)
      PID:2636
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/1728-10-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1728-7-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1728-5-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1728-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/2392-3-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/2424-28-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2980-15-0x0000000000870000-0x0000000000970000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads