b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2

General

Target

b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe
Size

4.8MB
MD5

a2198b8b0989f2b39155cd89a0bf7810
SHA1

2e9b90d7908c6016b086127e162ca6819104d1ad
SHA256

b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2
SHA512

b841ea8f9af5c83a3b3f47843f0e23b77eaca02630ef4f99be5e003222be946c2c23d8d8a212e2bed9ff4b8e4497b54b3c2ae7fcdb0e56450d56481e5fac80fe
SSDEEP

98304:1MRLheh139CWlG0ysnlyVBoPg8eGxxclZ37J8NXuRoYEbBLj:iIhRgWMqEj76clZ3N16Bf

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2640	powershell.exe

Deletes itself 1 IoCs

pid	Process
3068	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\apscit.exe.lnk	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe

Executes dropped EXE 1 IoCs

pid	Process
2232	apscit.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2496	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2708	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2232	apscit.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2232	apscit.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2640	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	28
PID 1716 wrote to memory of 2640	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	28
PID 1716 wrote to memory of 2640	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	28
PID 1716 wrote to memory of 2708	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	30
PID 1716 wrote to memory of 2708	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	30
PID 1716 wrote to memory of 2708	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	30
PID 1716 wrote to memory of 2232	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	32
PID 1716 wrote to memory of 2232	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	32
PID 1716 wrote to memory of 2232	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	32
PID 1716 wrote to memory of 3068	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	33
PID 1716 wrote to memory of 3068	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	33
PID 1716 wrote to memory of 3068	1716	b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe	33
PID 3068 wrote to memory of 2496	3068	cmd.exe	35
PID 3068 wrote to memory of 2496	3068	cmd.exe	35
PID 3068 wrote to memory of 2496	3068	cmd.exe	35

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\b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe
"C:\Users\Admin\AppData\Local\Temp\b8986771df334227d1de04468a12b4518a83b60943e3254f8709c5b6ff8b61a2N.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData\ACCApi'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /create /tn AccSys /tr "C:\ProgramData\ACCApi\apscit.exe" /st 20:12 /du 23:59 /sc daily /ri 1 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\ProgramData\ACCApi\apscit.exe
  "C:\ProgramData\ACCApi\apscit.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:2232
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp62C8.tmp.cmd""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\system32\timeout.exe
    timeout 6
    3⤵
    - Delays execution with timeout.exe
    PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\ACCApi\apscit.exe

Filesize
5.3MB

MD5
eea37e9f6a33bba6824b4d0463a6b96a

SHA1
62775eacac4be50158da93ad33666bb9d3dc5cce

SHA256
4d03ebe31398330d6fb047895a0a7d516dc107edee74784e20e791ee18d8f66b

SHA512
c73b3f0feae5eb1abee2fcfc67e01d5123b40568b003e23340f8f0e01f6d77f2de8090991d7825b0ad44d376ad4b5d81a7ecccf600dfc34693c9775b8315204b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp62C8.tmp.cmd

Filesize
217B

MD5
6f5586f4217cf562fd8382c7d425de07

SHA1
5f99686d6eaed86eb42b7a07c58abfa3aa1cc347

SHA256
51efaa497c8fd4589af433496cf8e08114dd3392cdd39eee58e8dd52cf5e5e81

SHA512
f09cb3d2ae3766ef16d9bd17e64b2e3b89b8fe296d97b879b79ef16f4d5cf69c2153c903c0a7a46a2ebeec32ce6c130e96d93a64a7bbea39247f3f20923fad13

Download Submit
memory/1716-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

Filesize
4KB

Download
memory/1716-1-0x0000000001310000-0x0000000001388000-memory.dmp

Filesize
480KB

Download
memory/2232-20-0x0000000001300000-0x0000000001378000-memory.dmp

Filesize
480KB

Download
memory/2640-9-0x0000000002A50000-0x0000000002AD0000-memory.dmp

Filesize
512KB

Download
memory/2640-21-0x000000001B810000-0x000000001BAF2000-memory.dmp

Filesize
2.9MB

Download
memory/2640-22-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads