d2d505a4944a92388e3ba620b02cab05c49be2be4e30329113d6da493223e5bb

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 19:41

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General

Target
be174eb4ffb7b227b2e78644b98ef1ab.exe
Size 1.8MB
Sample240308-yd3yrsfd5x
SHA256 d2d505a4944a92388e3ba620b02cab05c49be2be4e30329113d6da493223e5bb
MD5 be174eb4ffb7b227b2e78644b98ef1ab
SHA1 f97edc25319588b1c995beb7133daf037a1cca1a
SHA512 1d03e5ac4ee0caa2abbeda7f11e67d4699b7d35ea488867ffb0809ecc88035c7d53859ba001f02ebc6ad798941a51a31eb27a5c57d8ac4e0ef7552d6a733aeda
SSDEEP 49152:tIiiK2Sqn5EoSHWvIwQ92lUBTI3IUJS6Yy16qvXuK:qiiK2Vwu2FBClYqGK
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery spyware stealer upx

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1948	syncUpd.exe
3964	BroomSetup.exe

Loads dropped DLL 4 IoCs

pid	Process
3776	be174eb4ffb7b227b2e78644b98ef1ab.exe
3776	be174eb4ffb7b227b2e78644b98ef1ab.exe
1948	syncUpd.exe
1948	syncUpd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000700000002321a-22.dat	upx
behavioral2/memory/3964-23-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral2/memory/3964-79-0x0000000000400000-0x0000000000930000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4016	1948	WerFault.exe	88

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

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
5052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1948	syncUpd.exe
1948	syncUpd.exe
1948	syncUpd.exe
1948	syncUpd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3964	BroomSetup.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 1948	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	88
PID 3776 wrote to memory of 1948	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	88
PID 3776 wrote to memory of 1948	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	88
PID 3776 wrote to memory of 3964	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	92
PID 3776 wrote to memory of 3964	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	92
PID 3776 wrote to memory of 3964	3776	be174eb4ffb7b227b2e78644b98ef1ab.exe	92
PID 3964 wrote to memory of 3552	3964	BroomSetup.exe	95
PID 3964 wrote to memory of 3552	3964	BroomSetup.exe	95
PID 3964 wrote to memory of 3552	3964	BroomSetup.exe	95
PID 3552 wrote to memory of 3604	3552	cmd.exe	97
PID 3552 wrote to memory of 3604	3552	cmd.exe	97
PID 3552 wrote to memory of 3604	3552	cmd.exe	97
PID 3552 wrote to memory of 5052	3552	cmd.exe	98
PID 3552 wrote to memory of 5052	3552	cmd.exe	98
PID 3552 wrote to memory of 5052	3552	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\be174eb4ffb7b227b2e78644b98ef1ab.exe
"C:\Users\Admin\AppData\Local\Temp\be174eb4ffb7b227b2e78644b98ef1ab.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 2312
    3⤵
    - Program crash
    PID:4016
- C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
  C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3964
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\SysWOW64\chcp.com
      chcp 1251
      4⤵
      PID:3604
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
      4⤵
      Creates scheduled task(s)
      PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1948 -ip 1948
1⤵
PID:516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Are.docx

Path C:\ProgramData\Are.docx
Size 11KB
SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
MD5 a33e5b189842c5867f46566bdbf7a095
SHA1 e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA512 f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
SSDEEP 192:CtNCEE33S7Ok0CMSYbcBVk6tqM16iPBkeawLWdxd7o3Lp:aNwC78uYbcBv6akwLWdxdE3Lp
MD5 SHA1 SHA512 SSDEEP

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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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BroomSetup.exe

Path C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
Size 1.7MB
SHA256 2a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54
MD5 eee5ddcffbed16222cac0a1b4e2e466e
SHA1 28b40c88b8ea50b0782e2bcbb4cc0f411035f3d5
SHA512 8f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc
SSDEEP 49152:YUnaQiKJ8N+AadA6mICFhNGffVCPi9NUko6jE:ZwKa+u6mICFSwPKDK
MD5 SHA1 SHA512 SSDEEP

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INetC.dll

Path C:\Users\Admin\AppData\Local\Temp\nsl3CFB.tmp\INetC.dll
Size 21KB
SHA256 2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
MD5 2b342079303895c50af8040a91f30f71
SHA1 b11335e1cb8356d9c337cb89fe81d669a69de17e
SHA512 550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47
SSDEEP 384:KOoVVefeWsI7rsIquPLNN546o0Ac9khYLMkIX0+Gzyekv:4VVaeE7wIqyJN5i
MD5 SHA1 SHA512 SSDEEP

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syncUpd.exe

Path C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
Size 229KB
SHA256 748733ef6b3518ec18acbf68a3fa7f43e403738a29a275d6cb2df8e87851c277
MD5 eda757c6ae24693068781c06550cb3a6
SHA1 026eff85b267da853dac6cc00866bd1cb1c02c4d
SHA512 36d171794fa540ecd6112dc1c8f1f393be60af9a1bb8da9e0e64363c390f3c68d370df569738192cfba09361d60e89bac219f0802a5a7c1670c86801c1742060
SSDEEP 6144:/4qdvcItHrBhjlf6R05be5BlXE0tvi7DDu:BRcItHNCR05Sji0UPu
MD5 SHA1 SHA512 SSDEEP

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Task.bat

Path C:\Users\Admin\AppData\Roaming\Temp\Task.bat
Size 128B
SHA256 6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331
MD5 11bb3db51f701d4e42d3287f71a6a43e
SHA1 63a4ee82223be6a62d04bdfe40ef8ba91ae49a86
SHA512 907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2
MD5 SHA1 SHA512

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memory/1948-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/1948-87-0x0000000002170000-0x0000000002197000-memory.dmp

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memory/1948-25-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/1948-16-0x0000000002200000-0x0000000002300000-memory.dmp

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memory/1948-78-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/1948-120-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/1948-80-0x0000000002200000-0x0000000002300000-memory.dmp

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memory/1948-118-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/1948-17-0x0000000002170000-0x0000000002197000-memory.dmp

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memory/1948-106-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/1948-105-0x0000000000400000-0x0000000001F10000-memory.dmp

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memory/3776-24-0x0000000000400000-0x0000000000459000-memory.dmp

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memory/3964-23-0x0000000000400000-0x0000000000930000-memory.dmp

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memory/3964-108-0x0000000000C00000-0x0000000000C01000-memory.dmp

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memory/3964-26-0x0000000000C00000-0x0000000000C01000-memory.dmp

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memory/3964-79-0x0000000000400000-0x0000000000930000-memory.dmp

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