xehook | 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f

General

Target

05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe
Size

276KB
MD5

86956574d8364f5e6062a23189458eb2
SHA1

9d0cd1bb0b618ffe9076e7ad5e607ea88abe85b0
SHA256

05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f
SHA512

d206d519fe82cd025f0ace27759c6e99559187f7bd84dd61eadf06b0acf6f3ed6b289f650c163debe9afc38ec62cad51479c4b2e3ab3a0ab71132c5557064305
SSDEEP

6144:9g4e6XnYIZxmt5DmvpVYNB/nOCFDfuOTJ6I2vCoCe:a4XnYeuNN5J2OTLoCe

Score

10^/10

xehook spyware stealer

Malware Config

Extracted

Family

xehook

C2

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

Detect Xehook Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000360000-0x00000000003A9000-memory.dmp	family_xehook
behavioral2/memory/1948-1-0x0000000000400000-0x000000000041C000-memory.dmp	family_xehook
behavioral2/memory/4936-2-0x0000000000360000-0x00000000003A9000-memory.dmp	family_xehook

Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook

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

Processes:

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/1948-1-0x0000000000400000-0x000000000041C000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/4936-2-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

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

Processes:

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/1948-1-0x0000000000400000-0x000000000041C000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/4936-2-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1948-1-0x0000000000400000-0x000000000041C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/4936-2-0x0000000000360000-0x00000000003A9000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

15 ip-api.com

flow	ioc
15	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe

description	pid	process	target process
PID 4936 set thread context of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1948 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1948	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe

description	pid	process	target process
PID 4936 wrote to memory of 1124	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1124	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1124	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1012	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1012	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1012	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 4888	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 4888	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 4888	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe
PID 4936 wrote to memory of 1948	4936	05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe
"C:\Users\Admin\AppData\Local\Temp\05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4936

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1012

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:4888

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1948

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1948-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1948-3-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-4-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/1948-5-0x00000000051D0000-0x00000000051E0000-memory.dmp

Filesize
64KB

Download
memory/1948-6-0x00000000062C0000-0x0000000006352000-memory.dmp

Filesize
584KB

Download
memory/1948-7-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/1948-9-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-10-0x00000000051D0000-0x00000000051E0000-memory.dmp

Filesize
64KB

Download
memory/1948-14-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-0-0x0000000000360000-0x00000000003A9000-memory.dmp

Filesize
292KB

Download
memory/4936-2-0x0000000000360000-0x00000000003A9000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads