24926a53504430553bf27f241871c8a83ee8d4ca8f8d43d4038f98c6cce75ba9

General

Target

b4590f289b489e479a53f5d129d7d680N.exe
Size

2.4MB
MD5

b4590f289b489e479a53f5d129d7d680
SHA1

c57d2d384719b9e5641a2155698fa1c5d0b2ca14
SHA256

24926a53504430553bf27f241871c8a83ee8d4ca8f8d43d4038f98c6cce75ba9
SHA512

bb92885a1ed5033d2a84b5b8e3c184516f6fab96a1d40fa102dc5128f5c1f3db40a7b2a92d907f14d5a2f197c7cee0dd603a6c5b9d7d4fdf833c7c7ecbcf7f7e
SSDEEP

49152:MkRuZok21dkvQ7g7grNZbNsm+kwjI4TT86lorVlyR0Wx:l8ZR0mIjNZZshK4n86WrWDx

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1784	b4590f289b489e479a53f5d129d7d680N.exe

Executes dropped EXE 1 IoCs

pid	Process
1784	b4590f289b489e479a53f5d129d7d680N.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	pastebin.com
24	pastebin.com

Program crash 14 IoCs

pid	pid_target	Process	procid_target
544	2504	WerFault.exe	83
4360	1784	WerFault.exe	91
2256	1784	WerFault.exe	91
1648	1784	WerFault.exe	91
3604	1784	WerFault.exe	91
2636	1784	WerFault.exe	91
4488	1784	WerFault.exe	91
636	1784	WerFault.exe	91
888	1784	WerFault.exe	91
456	1784	WerFault.exe	91
2452	1784	WerFault.exe	91
1064	1784	WerFault.exe	91
1220	1784	WerFault.exe	91
2800	1784	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 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	b4590f289b489e479a53f5d129d7d680N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4590f289b489e479a53f5d129d7d680N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1784	b4590f289b489e479a53f5d129d7d680N.exe
1784	b4590f289b489e479a53f5d129d7d680N.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2504	b4590f289b489e479a53f5d129d7d680N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1784	b4590f289b489e479a53f5d129d7d680N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1784	2504	b4590f289b489e479a53f5d129d7d680N.exe	91
PID 2504 wrote to memory of 1784	2504	b4590f289b489e479a53f5d129d7d680N.exe	91
PID 2504 wrote to memory of 1784	2504	b4590f289b489e479a53f5d129d7d680N.exe	91

C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe
"C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 344
  2⤵
  - Program crash
  PID:544
- C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe
  C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 344
    3⤵
    - Program crash
    PID:4360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 596
    3⤵
    - Program crash
    PID:2256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 596
    3⤵
    - Program crash
    PID:1648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 596
    3⤵
    - Program crash
    PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 720
    3⤵
    - Program crash
    PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 920
    3⤵
    - Program crash
    PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1412
    3⤵
    - Program crash
    PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1456
    3⤵
    - Program crash
    PID:888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1496
    3⤵
    - Program crash
    PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1516
    3⤵
    - Program crash
    PID:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1456
    3⤵
    - Program crash
    PID:1064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1492
    3⤵
    - Program crash
    PID:1220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1032
    3⤵
    - Program crash
    PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1784 -ip 1784
1⤵
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1784 -ip 1784
1⤵
PID:316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1784 -ip 1784
1⤵
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1784 -ip 1784
1⤵
PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1784 -ip 1784
1⤵
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1784 -ip 1784
1⤵
PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1784 -ip 1784
1⤵
PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1784 -ip 1784
1⤵
PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1784 -ip 1784
1⤵
PID:1196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1784 -ip 1784
1⤵
PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1784 -ip 1784
1⤵
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1784 -ip 1784
1⤵
PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1784 -ip 1784
1⤵
PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe

Filesize
2.4MB

MD5
4ed22e2427e8ada1994219f91714d3fe

SHA1
8ef265702eb2ca3e926d007fbfc3602dd2786dfa

SHA256
22cb89d6ec1a14d254aeadb1498adf895090d7293d1552ba61ea32786092a25f

SHA512
a23148bb7f935fdeec52f22ff96a736226010752327395d84f01a0fb77c441cc357763e8ec07e4edecccca60da60f517436e78f20941a36a5de316fbfac97355

Download Submit
memory/1784-6-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1784-8-0x0000000005110000-0x0000000005227000-memory.dmp

Filesize
1.1MB

Download
memory/1784-9-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1784-21-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1784-27-0x000000000B7D0000-0x000000000B873000-memory.dmp

Filesize
652KB

Download
memory/1784-28-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2504-0-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2504-7-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download

Analysis

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