eedc4ce191851f845f671e469ad056868d7fd07f7fe853697bff1d1f62b95056

General

Target

a41ffdb8ddb5e27c1ad6478d7559f240N.exe
Size

1.0MB
MD5

a41ffdb8ddb5e27c1ad6478d7559f240
SHA1

f83e04929f3988a3aefc8ac40a8a6a72f83ade97
SHA256

eedc4ce191851f845f671e469ad056868d7fd07f7fe853697bff1d1f62b95056
SHA512

9a07541981ed54376f202ad1ec0f82d0da4717b01e8cb678165d98b51d73a5731b84bca457458f32c6a52ab1c0688b99050e39da3f3f2d6b69427b808029842b
SSDEEP

24576:+A/uXLA5A3c1KdYS+f7vlK13BHUZ50zqLQyow3CqCzt:J/u7A5A3c1KSf7dK11Ur0wQyow3Cpzt

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1740-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x00090000000233fb-12.dat	upx
behavioral2/memory/2852-14-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
14	pastebin.com

Program crash 5 IoCs

pid	pid_target	Process	procid_target
2076	2852	WerFault.exe	85
3960	2852	WerFault.exe	85
4936	2852	WerFault.exe	85
704	2852	WerFault.exe	85
3796	2852	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 5 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	a41ffdb8ddb5e27c1ad6478d7559f240N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a41ffdb8ddb5e27c1ad6478d7559f240N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2044	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1740	a41ffdb8ddb5e27c1ad6478d7559f240N.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1740	a41ffdb8ddb5e27c1ad6478d7559f240N.exe
2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2852	1740	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	85
PID 1740 wrote to memory of 2852	1740	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	85
PID 1740 wrote to memory of 2852	1740	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	85
PID 2852 wrote to memory of 2044	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	86
PID 2852 wrote to memory of 2044	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	86
PID 2852 wrote to memory of 2044	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	86
PID 2852 wrote to memory of 2224	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	88
PID 2852 wrote to memory of 2224	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	88
PID 2852 wrote to memory of 2224	2852	a41ffdb8ddb5e27c1ad6478d7559f240N.exe	88
PID 2224 wrote to memory of 3492	2224	cmd.exe	91
PID 2224 wrote to memory of 3492	2224	cmd.exe	91
PID 2224 wrote to memory of 3492	2224	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe
"C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe
  C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe" /TN n3TzfEYb35ee /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2044
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN n3TzfEYb35ee > C:\Users\Admin\AppData\Local\Temp\f77ukS.xml
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN n3TzfEYb35ee
      4⤵
      System Location Discovery: System Language Discovery
      PID:3492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 616
    3⤵
    - Program crash
    PID:2076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 636
    3⤵
    - Program crash
    PID:3960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 644
    3⤵
    - Program crash
    PID:4936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 724
    3⤵
    - Program crash
    PID:704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 744
    3⤵
    - Program crash
    PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2852 -ip 2852
1⤵
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2852 -ip 2852
1⤵
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2852 -ip 2852
1⤵
PID:2556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2852 -ip 2852
1⤵
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2852 -ip 2852
1⤵
PID:892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\a41ffdb8ddb5e27c1ad6478d7559f240N.exe

Filesize
1.0MB

MD5
d67004e4589c6f078036cdee5c9a3708

SHA1
fe8927c1da2951b87ccc5edf08992a520f961fe7

SHA256
058f586030b3ec1243cd4462108815db18e9adf72a98bd8fec7a06d1b72231a0

SHA512
f60345adc99c182bd6bc289f1001a68f05263673aa751f4962d240bbcfbb1788d4188c63e6422d95173d9622b2c6c35c4de19184ead23b9fe920683a3741c8c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\f77ukS.xml

Filesize
1KB

MD5
7ce109082006bfddd9af80ef15344fb1

SHA1
5388351cbef591dc245fd93cf70296bc4cc916b7

SHA256
66048860ad0e58984b59be776c6050951e53c40f93a272ed2067197b77fc6dd1

SHA512
420a3acf1c940d44ee7e352b471ba8d620074c063a26d35489ceabbdaddb33f47d9cc6d6892f2425764cc9573bea92d42b876898d0b50da92ee76e598955742f

Download Submit
memory/1740-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1740-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1740-7-0x0000000025040000-0x00000000250BE000-memory.dmp

Filesize
504KB

Download
memory/1740-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2852-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2852-21-0x0000000025050000-0x00000000250CE000-memory.dmp

Filesize
504KB

Download
memory/2852-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2852-27-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/2852-44-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads