MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a112f3fc7b4a8fdd9a8a576553b5a96098b6373e2c22ec9646bf7a472d9d3be. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 7a112f3fc7b4a8fdd9a8a576553b5a96098b6373e2c22ec9646bf7a472d9d3be
SHA3-384 hash: dce1f69337ef19bf51c5d0531b59ea839fa0ef7c6909d81e64ea992129a2ea28dd8793c8fb7dfadbb1e180e24d3c43f3
SHA1 hash: 940d3aa099bc3a76f6e758c35c94713a34d24cf1
MD5 hash: 4cab542f2b4b98e12eda920073d55156
humanhash: high-ack-golf-nevada
File name:4cab542f2b4b98e12eda920073d55156.exe
Download: download sample
Signature Formbook
File size:999'424 bytes
First seen:2022-04-05 18:21:56 UTC
Last seen:2022-04-05 18:38:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:3LPHRDvLinH8AHtJBBDKk2yV9rtTKvdKI4NhzV/aDZgHxShfuGIIV9RJnRQL5pwE:3LHRDTincStJHV9rtKvsI4NtrT
Threatray 14'644 similar samples on MalwareBazaar
TLSH T15825B69DB2F072DFC867C972DA681C64FAA078B7571BC247902301AD9A1D997CF143B2
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe explorer.exe obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Creation with Colorcpl
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 603552 Sample: RuNUKBR56Y.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 11 other signatures 2->52 10 RuNUKBR56Y.exe 6 2->10         started        process3 file4 38 C:\Users\user\AppData\...\BJXUKRqAHRR.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpEF0A.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\RuNUKBR56Y.exe.log, ASCII 10->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Tries to detect virtualization through RDTSC time measurements 10->66 68 Injects a PE file into a foreign processes 10->68 14 RuNUKBR56Y.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 44 www.yxwanlong.com 154.216.156.187, 49838, 49840, 49841 ITACE-AS-APItaceInternationalLimitedHK Seychelles 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 colorcpl.exe 18 19->25         started        signatures10 process11 file12 34 C:\Users\user\AppData\...344Llogrv.ini, data 25->34 dropped 36 C:\Users\user\AppData\...364Llogri.ini, data 25->36 dropped 56 Detected FormBook malware 25->56 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Tries to harvest and steal browser information (history, passwords, etc) 25->60 62 3 other signatures 25->62 29 cmd.exe 2 25->29         started        signatures13 process14 signatures15 70 Tries to harvest and steal browser information (history, passwords, etc) 29->70 32 conhost.exe 29->32         started        process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-05 04:01:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:h93d rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
b7dc43c8a5d419e89ea34eeda251afdd03d76b435348e758938e5a5cbe61e672
MD5 hash:
977efb6a5f2f7a975cf6c90d8c7d7015
SHA1 hash:
d88b43cb3df259abf83bf77595c3778b93fdf24f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
3406e47bed85860530a88af4f23b150744eb1d3844dba8a1bb738ebbd948b434
MD5 hash:
5a6e258697c569c1ac94785fc858906b
SHA1 hash:
cb91646ae31e6aec54cbff53136841bcea55060c
SH256 hash:
90cc72f8f4def4a7779b960128e5a1d6d2565e597b1bb1a808b45fe00d870397
MD5 hash:
092ad80ef84b50a3477c6037f9c9b26a
SHA1 hash:
8050a398ca96cba3bd288a0f56029f8a4ce2f382
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
7a112f3fc7b4a8fdd9a8a576553b5a96098b6373e2c22ec9646bf7a472d9d3be
MD5 hash:
4cab542f2b4b98e12eda920073d55156
SHA1 hash:
940d3aa099bc3a76f6e758c35c94713a34d24cf1
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Redline_Stealer_Monitor
Description:Detects RedLine Stealer Variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 7a112f3fc7b4a8fdd9a8a576553b5a96098b6373e2c22ec9646bf7a472d9d3be

(this sample)

  
Delivery method
Distributed via web download

Comments