b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228

General

Target
256df7ef2c915f8a7ba2fbb72c684c40.exe
Size 10.5MB
Sample220917-e7874ahbc8
SHA256 b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228
MD5 256df7ef2c915f8a7ba2fbb72c684c40
SHA1 88f3cda3705c3de25430443c0b871494a4f902e6
SHA512 db0a47e7e57dca88cff47f2854ecffe490d6bbf24d6b2c9e503ab235e30c6a53ea30316951db33195d9cbebf559e55df21b13247929128bdd8748049b59b9a9d
SSDEEP 98304:N8bZ43hbmCh+H33oCJDmydqKkLtP9v/vhbP8lKaMtD8iEZYKJI/9Lg:C+3tUHHXhmyUKi19XvdPiTCAm/
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	256df7ef2c915f8a7ba2fbb72c684c40.exe

Loads dropped DLL 2 IoCs

pid	Process
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.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 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	256df7ef2c915f8a7ba2fbb72c684c40.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	256df7ef2c915f8a7ba2fbb72c684c40.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2024	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
372	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe
2132	256df7ef2c915f8a7ba2fbb72c684c40.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 4216	2132	256df7ef2c915f8a7ba2fbb72c684c40.exe	89
PID 2132 wrote to memory of 4216	2132	256df7ef2c915f8a7ba2fbb72c684c40.exe	89
PID 2132 wrote to memory of 4216	2132	256df7ef2c915f8a7ba2fbb72c684c40.exe	89
PID 4216 wrote to memory of 372	4216	cmd.exe	91
PID 4216 wrote to memory of 372	4216	cmd.exe	91
PID 4216 wrote to memory of 372	4216	cmd.exe	91
PID 4216 wrote to memory of 2024	4216	cmd.exe	92
PID 4216 wrote to memory of 2024	4216	cmd.exe	92
PID 4216 wrote to memory of 2024	4216	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\256df7ef2c915f8a7ba2fbb72c684c40.exe
"C:\Users\Admin\AppData\Local\Temp\256df7ef2c915f8a7ba2fbb72c684c40.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 256df7ef2c915f8a7ba2fbb72c684c40.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\256df7ef2c915f8a7ba2fbb72c684c40.exe" & del C:\PrograData\*.dll & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 256df7ef2c915f8a7ba2fbb72c684c40.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:372
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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memory/2132-132-0x00000000006E0000-0x00000000011E1000-memory.dmp

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memory/2132-135-0x00000000006E0000-0x00000000011E1000-memory.dmp

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memory/2132-136-0x00000000006E0000-0x00000000011E1000-memory.dmp

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memory/2132-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Download

memory/2132-158-0x00000000006E0000-0x00000000011E1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads