2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de

Analysis

max time kernel
144s
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
05/03/2024, 11:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe
Size

1.8MB
MD5

21dba4ba39468c45d87114e20e82183d
SHA1

e77fc5b0cfa8e986ec19d2b552907961b440357c
SHA256

2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de
SHA512

20f8dd472e66efc333bdd7599042e4f3b49d2ee7602584c3fbd4f9f6a93b440affdba9acd8802afaa448a031bb87e25043d2262b48366df796a4c1c0a2c38147
SSDEEP

49152:tIiiK2Su5tKqi1nI0nZvgMdOagTvZg2MBFjvl9PM7r2ZA03s+JWBvv28:qiiK2R5tKqGhZYMdrsxg77Ucs+Uvv28

Score

8^/10

discovery spyware stealer upx

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2200	syncUpd.exe
4316	BroomSetup.exe

Loads dropped DLL 4 IoCs

pid	Process
1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe
1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe
2200	syncUpd.exe
2200	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/0x0007000000023250-20.dat	upx
behavioral2/memory/4316-26-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral2/memory/4316-77-0x0000000000400000-0x0000000000930000-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
3272	2200	WerFault.exe	97

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
5004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe
2200	syncUpd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4316	BroomSetup.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2200	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	97
PID 1448 wrote to memory of 2200	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	97
PID 1448 wrote to memory of 2200	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	97
PID 1448 wrote to memory of 4316	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	98
PID 1448 wrote to memory of 4316	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	98
PID 1448 wrote to memory of 4316	1448	2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe	98
PID 4316 wrote to memory of 4760	4316	BroomSetup.exe	100
PID 4316 wrote to memory of 4760	4316	BroomSetup.exe	100
PID 4316 wrote to memory of 4760	4316	BroomSetup.exe	100
PID 4760 wrote to memory of 4608	4760	cmd.exe	103
PID 4760 wrote to memory of 4608	4760	cmd.exe	103
PID 4760 wrote to memory of 4608	4760	cmd.exe	103
PID 4760 wrote to memory of 5004	4760	cmd.exe	104
PID 4760 wrote to memory of 5004	4760	cmd.exe	104
PID 4760 wrote to memory of 5004	4760	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe
"C:\Users\Admin\AppData\Local\Temp\2923213755ef1d8538c51f9f7ebf57d2263dfb6350c9c26a31ee7505a8d3e8de.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1448
- 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:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 2328
    3⤵
    - Program crash
    PID:3272
- 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:4316
- - 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:4760
  - - C:\Windows\SysWOW64\chcp.com
      chcp 1251
      4⤵
      PID:4608
  - - 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:5004

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3196 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:3
1⤵
PID:3916

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4180 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2200 -ip 2200
1⤵
PID:1960

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

Loading Replay Monitor...

Downloads

C:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe

Filesize
132KB

MD5
3f904b79789a4abb49b0d3ab66df683c

SHA1
6acf1c9acae97c80bd9f77a5d04f1028be445fa1

SHA256
d157b5d3b4a2842f252ab42fa92234fc6794f9acdf8186e683eb32ed4fbe5d59

SHA512
39a02119030626f5db41e76aeea09a2f53e31b9779791417c4efe7ce25d0240cb2d8b58c77d48e8290bc0880c1b859d374c069899d91eb44b2e39c3f353f3d4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswFCE0.tmp\INetC.dll

Filesize
21KB

MD5
2b342079303895c50af8040a91f30f71

SHA1
b11335e1cb8356d9c337cb89fe81d669a69de17e

SHA256
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

SHA512
550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

Download Submit
C:\Users\Admin\AppData\Local\Temp\syncUpd.exe

Filesize
223KB

MD5
4798812066cbae4409c74a92f61d89be

SHA1
f22ae1face4df9e4ab6445a6e43eedd12c8af868

SHA256
17102324a533f9666f6d2a9a9269807f9b49591a20ff7fd4045c43b432ac0079

SHA512
e55b78580a1aa1ab9e262ddb57ae95759d459ab75db99459882a22f05310e2e53131f05e0f110ed0cf2056b18f8671272eabda5cbd21667cd51be5754e4c3e56

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Task.bat

Filesize
128B

MD5
11bb3db51f701d4e42d3287f71a6a43e

SHA1
63a4ee82223be6a62d04bdfe40ef8ba91ae49a86

SHA256
6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331

SHA512
907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2

Download Submit
memory/1448-24-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2200-83-0x0000000001B80000-0x0000000001BA7000-memory.dmp

Filesize
156KB

Download
memory/2200-12-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-31-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-140-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-81-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-82-0x0000000001CF0000-0x0000000001DF0000-memory.dmp

Filesize
1024KB

Download
memory/2200-138-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-32-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2200-122-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-97-0x0000000000400000-0x0000000001A25000-memory.dmp

Filesize
22.1MB

Download
memory/2200-11-0x0000000001B80000-0x0000000001BA7000-memory.dmp

Filesize
156KB

Download
memory/2200-10-0x0000000001CF0000-0x0000000001DF0000-memory.dmp

Filesize
1024KB

Download
memory/4316-96-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/4316-26-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/4316-27-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/4316-77-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download