b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 09:10

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General

Target
file.exe
Size 11.1MB
Sample240809-k5ehlasgld
SHA256 b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39
MD5 45c0d8bedd6bff145cbe1c3064f2cf56
SHA1 5a68f160bde8531f0b38ed8f9c6b19b7e615a905
SHA512 3963adecb4ee013b54c926328fe0d6576d291dcae0ead3f675c38ddb51b2747e0469179fa4903e3237fe2beea7079f67da377f3787b3bd4ddba8694102af0703
SSDEEP 196608:uq5Uz55kDba3q4c1X2usHfdV5bvMzeO/FmwuAf0+OTZ5l3:ur55kPa3qEbHfdVRvI50wnVOj
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2840	1640	file.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 4 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	MSBuild.exe
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	file.exe

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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2344	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2840	MSBuild.exe
2840	MSBuild.exe
2840	MSBuild.exe
2840	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	file.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 1640 wrote to memory of 2840	1640	file.exe	30
PID 2840 wrote to memory of 1236	2840	MSBuild.exe	34
PID 2840 wrote to memory of 1236	2840	MSBuild.exe	34
PID 2840 wrote to memory of 1236	2840	MSBuild.exe	34
PID 2840 wrote to memory of 1236	2840	MSBuild.exe	34
PID 1236 wrote to memory of 2344	1236	cmd.exe	36
PID 1236 wrote to memory of 2344	1236	cmd.exe	36
PID 1236 wrote to memory of 2344	1236	cmd.exe	36
PID 1236 wrote to memory of 2344	1236	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAEBGHDBKEBG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1236
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 c0509ce52448b25a817c1d7a05242a0acf5ef4d58dc6ec34d491bd995d73596c
MD5 62c799b40181815394245440b91a2fd2
SHA1 9354c11e10b03cfe6f35945000b5682538e72bce
SHA512 6ef754f179eab970513b086e682d87fa6f29d738a25fcfa80fc3c774557a13ad70d256ae53425ff0ad6450113f2b1bb010a247c8a567ef6237c5f5d458940ac1
MD5 SHA1 SHA512

Submit Download

CabC219.tmp

Path C:\Users\Admin\AppData\Local\Temp\CabC219.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

TarC24B.tmp

Path C:\Users\Admin\AppData\Local\Temp\TarC24B.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1640-26-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-39-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-37-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-65-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-66-0x0000000074080000-0x000000007476E000-memory.dmp

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memory/1640-63-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-1-0x0000000000E90000-0x00000000019B4000-memory.dmp

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memory/1640-6-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-7-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-79-0x0000000074080000-0x000000007476E000-memory.dmp

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memory/1640-61-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-59-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-58-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-56-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-53-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-51-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-49-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-47-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-45-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-43-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-4-0x0000000008640000-0x0000000008C74000-memory.dmp

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memory/1640-41-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-5-0x00000000005D0000-0x00000000005EC000-memory.dmp

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memory/1640-36-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-3-0x00000000069A0000-0x000000000701A000-memory.dmp

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memory/1640-33-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-2-0x0000000074080000-0x000000007476E000-memory.dmp

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memory/1640-31-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-29-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-27-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-0-0x000000007408E000-0x000000007408F000-memory.dmp

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memory/1640-23-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-21-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-19-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-18-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-15-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-13-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-11-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/1640-9-0x00000000005D0000-0x00000000005E5000-memory.dmp

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memory/2840-68-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/2840-69-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/2840-67-0x0000000000400000-0x0000000000B44000-memory.dmp

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