2ca447137bccccda45ac2f8d372e2a79020b7eba06e04316aea56a089887afac

General

Target

8b1cd2b2487837483858606adc6a3b80N.exe
Size

3.5MB
MD5

8b1cd2b2487837483858606adc6a3b80
SHA1

55682248b0dd2e07897fa521c83833a5c8e276d8
SHA256

2ca447137bccccda45ac2f8d372e2a79020b7eba06e04316aea56a089887afac
SHA512

57dff392b2855df5bff54919a7f15531c36fc381f4c2df7b7bad8eb9dd29a37195e6951ccf39bf3565b31cbbd4d96a87fb6886de85c3f9a9ecd482e5c01673e5
SSDEEP

98304:h/FBcFwihwtTx3h9OD4CpygBIF+EOT10XN:xFBpi+xjW4CppEOT2d

Score

8^/10

discovery 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
1912	powershell.exe

Deletes itself 1 IoCs

pid	Process
3044	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\apihost.exe.lnk	8b1cd2b2487837483858606adc6a3b80N.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	apihost.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	8b1cd2b2487837483858606adc6a3b80N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b1cd2b2487837483858606adc6a3b80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	apihost.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2724	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
2088	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2308	apihost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1912	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	8b1cd2b2487837483858606adc6a3b80N.exe
Token: SeDebugPrivilege	1912	powershell.exe
Token: SeDebugPrivilege	2308	apihost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1912	2228	8b1cd2b2487837483858606adc6a3b80N.exe	31
PID 2228 wrote to memory of 1912	2228	8b1cd2b2487837483858606adc6a3b80N.exe	31
PID 2228 wrote to memory of 1912	2228	8b1cd2b2487837483858606adc6a3b80N.exe	31
PID 2228 wrote to memory of 1912	2228	8b1cd2b2487837483858606adc6a3b80N.exe	31
PID 2228 wrote to memory of 2088	2228	8b1cd2b2487837483858606adc6a3b80N.exe	33
PID 2228 wrote to memory of 2088	2228	8b1cd2b2487837483858606adc6a3b80N.exe	33
PID 2228 wrote to memory of 2088	2228	8b1cd2b2487837483858606adc6a3b80N.exe	33
PID 2228 wrote to memory of 2088	2228	8b1cd2b2487837483858606adc6a3b80N.exe	33
PID 2228 wrote to memory of 2308	2228	8b1cd2b2487837483858606adc6a3b80N.exe	35
PID 2228 wrote to memory of 2308	2228	8b1cd2b2487837483858606adc6a3b80N.exe	35
PID 2228 wrote to memory of 2308	2228	8b1cd2b2487837483858606adc6a3b80N.exe	35
PID 2228 wrote to memory of 2308	2228	8b1cd2b2487837483858606adc6a3b80N.exe	35
PID 2228 wrote to memory of 3044	2228	8b1cd2b2487837483858606adc6a3b80N.exe	36
PID 2228 wrote to memory of 3044	2228	8b1cd2b2487837483858606adc6a3b80N.exe	36
PID 2228 wrote to memory of 3044	2228	8b1cd2b2487837483858606adc6a3b80N.exe	36
PID 2228 wrote to memory of 3044	2228	8b1cd2b2487837483858606adc6a3b80N.exe	36
PID 3044 wrote to memory of 2724	3044	cmd.exe	38
PID 3044 wrote to memory of 2724	3044	cmd.exe	38
PID 3044 wrote to memory of 2724	3044	cmd.exe	38
PID 3044 wrote to memory of 2724	3044	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\8b1cd2b2487837483858606adc6a3b80N.exe
"C:\Users\Admin\AppData\Local\Temp\8b1cd2b2487837483858606adc6a3b80N.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ACCApi'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Local\Temp\ACCApi\apihost.exe" /st 21:36 /du 23:59 /sc daily /ri 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\ACCApi\apihost.exe
  "C:\Users\Admin\AppData\Local\Temp\ACCApi\apihost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:2308
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD124.tmp.cmd""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\timeout.exe
    timeout 6
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2724

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD124.tmp.cmd

Filesize
185B

MD5
1522d46b37fcc9fed56143cbc262d152

SHA1
c781ff3c72af04ebcc78e2be5a5429810cfb926e

SHA256
a67b8a3fde6bd34fa58f5d055f364da8fe588ff852c5e365138a34da103dff0a

SHA512
36383bc8cd623130f33b8c54e0600bf1882f18761395dd711f40cff2070eb42163068db447aab1e78d6e89775a75da3b6cd8c26e77ecc372cf3258a37d18c77d

Download Submit
\Users\Admin\AppData\Local\Temp\ACCApi\apihost.exe

Filesize
3.8MB

MD5
b74c9b33ff479bb743d3eb74bd7075c7

SHA1
f2e081702dd0ff1230559d6e4b32d628066cab43

SHA256
7cd421ce10f3e1aa01bc724a2d74beb3f17741fc401ada7c3f031fc0cbb7f917

SHA512
7d641106a20f8dfda1e1b81ec7c2d089a8a2272f760d473b883ff0f3d5a4dc06928e2e2fd69704fffeafe5702fd9f89faef2c492ea3e18b8043d3309ca412e55

Download Submit
memory/2228-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2228-1-0x00000000008F0000-0x0000000000908000-memory.dmp

Filesize
96KB

Download
memory/2308-17-0x0000000000F10000-0x0000000000F28000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads