d2d505a4944a92388e3ba620b02cab05c49be2be4e30329113d6da493223e5bb

General

Target

$TEMP/syncUpd.exe
Size

229KB
MD5

eda757c6ae24693068781c06550cb3a6
SHA1

026eff85b267da853dac6cc00866bd1cb1c02c4d
SHA256

748733ef6b3518ec18acbf68a3fa7f43e403738a29a275d6cb2df8e87851c277
SHA512

36d171794fa540ecd6112dc1c8f1f393be60af9a1bb8da9e0e64363c390f3c68d370df569738192cfba09361d60e89bac219f0802a5a7c1670c86801c1742060
SSDEEP

6144:/4qdvcItHrBhjlf6R05be5BlXE0tvi7DDu:BRcItHNCR05Sji0UPu

Score

9^/10

Malware Config

Signatures

Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs

resource	yara_rule
behavioral7/memory/2612-42-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral7/memory/2612-69-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral7/memory/2612-70-0x00000000020E0000-0x00000000021E0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs

resource	yara_rule
behavioral7/memory/2612-42-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral7/memory/2612-69-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral7/memory/2612-70-0x00000000020E0000-0x00000000021E0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral7/memory/2612-42-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral7/memory/2612-69-0x0000000000400000-0x0000000001F10000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2612	syncUpd.exe
2612	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
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

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2612	syncUpd.exe
2612	syncUpd.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\syncUpd.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\syncUpd.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2612-1-0x00000000020E0000-0x00000000021E0000-memory.dmp

Filesize
1024KB

Download
memory/2612-2-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/2612-3-0x0000000000400000-0x0000000001F10000-memory.dmp

Filesize
27.1MB

Download
memory/2612-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2612-42-0x0000000000400000-0x0000000001F10000-memory.dmp

Filesize
27.1MB

Download
memory/2612-69-0x0000000000400000-0x0000000001F10000-memory.dmp

Filesize
27.1MB

Download
memory/2612-70-0x00000000020E0000-0x00000000021E0000-memory.dmp

Filesize
1024KB

Download

Analysis

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