db65770d0af225d1de49d059aabbb45c670931796b516e1564bab12fe4d99945

General

Target

tmp.exe
Size

325KB
MD5

19953ae3615b7bbd99f6e044907c5357
SHA1

96d145b66bf42ef43000e927b05689160f4f8dec
SHA256

db65770d0af225d1de49d059aabbb45c670931796b516e1564bab12fe4d99945
SHA512

cd0fcb2c3a82080c2a148f26b9557d48271de766e811fe0ea91d761f93bda55e380c7a409109620affd73237a9af01d4b53fffe75b7080c64dd6bd67bc9e9938
SSDEEP

6144:IfBOZLQF5Em5IO/ajmI3hRYZ77B/05qyyve1JqogCjM:qB8UF5Em5IAmO17Bc5qy6erxjM

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	2908	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
5056	tmp.exe
5056	tmp.exe
5056	tmp.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2092	5056	WerFault.exe	82
3120	2908	WerFault.exe	86

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2908	rundll32.exe
2908	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 2908	5056	tmp.exe	86
PID 5056 wrote to memory of 2908	5056	tmp.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56fd41.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBWIAWv8AcAAwADUAdP8AVABZADYAQ68ATQBOPwBDLQJZ|0iD7CjoBAIA|wBIg8Qow8zM|8xMiUQkGEiJ|1QkEEiJTCQI|lkBSItEJDBIidsEJH0BOEhrAAhIb8dEJBAtAesOfQFfEEiDwAGLARB9AbdASDmSAHMlmwOL|wwkSAPISIvB10iLTKcBVHcAA9H|SIvKigmICOv9wWIFZUiLBCVg|vPwM8lIi1AYSP870XQ2SIPCIP9IiwJIO8J0Kv9mg3hIGHUaTP+LQFBmQYM4a7t0Bw0RS3UIDRB4|xAudAVIiwDrr9VIi0j5AMFmAED|U1VWV0FUQVXvQVZBV1kBZoE5|01aTYv4TIvyv0iL2Q+F|PPwTP9jSTxBgTwJUL9FAAAPherz8EHvi4QJiPPwhcBIv408AQ+E1mYRg3e8CYwtAQ+Ex|Pw|0SLZyBEi18c|4t3JESLTxhM|wPhTAPZSAPx|zPJRYXJD4Sk|vPwTYvEQYsQRf8z0kgD04oChP|AdB1BwcoND3u+wPYAAUQD0LsR|3XsQYH6qvwN|3x0DoPBAUmD|8AEQTvJc2nr|8aLwQ+3DE5F|4ssi0wD63RY+zPtphB0UUGLFP69ANMzyYoCTIvfwusPwcnEEQPI3uEQAUGKANEQ7TN|wDP2QTsMttwQ|qIAg8YBg|gIcv|u6wpIi8tB|3|VSYkE94PF4BB|xAQ7bxhyr2IB|0FfQV5BXUFc719eXVsvF0iB7PtgAWAAi+noZv7|||9IhcAPhJnWcSBMjasBiycQyDP3|+ibeSCNXwRM|41FQjPSi8v|91QkaHwgTIvgD+uEbHEgRaQQM8CLfdONIEiJfCQgoiD9cHwgSIvwD4RM|HEgoiBQSI1WCER|jUdASI2MJIERv0iL2Oh8|XogjatWSNogEN4hzPPw6P1n6yBEiwaNVwj0PSCiIFjGIYmEJIDagxLd8|CLDtYgWIljjCRtEQMwjSDoMesgv0yLXTqLrCkySPuLnBYyTIlkJDj|RI1nbEk77EjehiAwTIlcgAGEJE3cgxGGjuMh3yDwrBO|SIvT6Of8ATCK3ZxzMkiNhHMyQYD|8yFJi8xEMBj+oAKD6QF184G8|nMyIVJleHVKi3eEJPQeMZQk+PPw|wPCSDvocjVB|zvUdjBEjUlAP0kr1EG4AJQAoiA9QMYi+HQXRLQwvjHvSI1TbI0gTSvEu+hsgDBIi86iIHg|SIX|dBRMjDAXMX9IjUwkQLoD8|Cf|9dIgcRwIV0kAAEA
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:2908
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2908 -s 300
    3⤵
    - Program crash
    PID:3120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 648
  2⤵
  - Program crash
  PID:2092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5056 -ip 5056
1⤵
PID:176

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 384 -p 2908 -ip 2908
1⤵
PID:3716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56fd41.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56fd41.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
memory/2908-141-0x000002486F4D0000-0x000002486F4D7000-memory.dmp

Filesize
28KB

Download
memory/2908-149-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/2908-148-0x00007FF3FFFE0000-0x00007FF4000DA000-memory.dmp

Filesize
1000KB

Download
memory/2908-147-0x00007FF3FFFE0000-0x00007FF4000DA000-memory.dmp

Filesize
1000KB

Download
memory/2908-142-0x00007FF3FFFE0000-0x00007FF4000DA000-memory.dmp

Filesize
1000KB

Download
memory/5056-140-0x0000000004D70000-0x0000000005D70000-memory.dmp

Filesize
16.0MB

Download
memory/5056-132-0x0000000002DD7000-0x0000000002DFD000-memory.dmp

Filesize
152KB

Download
memory/5056-136-0x0000000003110000-0x000000000312D000-memory.dmp

Filesize
116KB

Download
memory/5056-143-0x0000000002DD7000-0x0000000002DFD000-memory.dmp

Filesize
152KB

Download
memory/5056-144-0x0000000002D90000-0x0000000002DC0000-memory.dmp

Filesize
192KB

Download
memory/5056-145-0x0000000000400000-0x0000000002C3F000-memory.dmp

Filesize
40.2MB

Download
memory/5056-146-0x0000000003110000-0x000000000312D000-memory.dmp

Filesize
116KB

Download
memory/5056-135-0x00000000030D0000-0x00000000030EA000-memory.dmp

Filesize
104KB

Download
memory/5056-134-0x0000000000400000-0x0000000002C3F000-memory.dmp

Filesize
40.2MB

Download
memory/5056-133-0x0000000002D90000-0x0000000002DC0000-memory.dmp

Filesize
192KB

Download

Analysis

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