MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a84fdf2c7dbfe8009f998273a7ff9e51c440ea3daa1b93d5b29b3a8e71b35a25. 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: 10
| SHA256 hash: | a84fdf2c7dbfe8009f998273a7ff9e51c440ea3daa1b93d5b29b3a8e71b35a25 |
|---|---|
| SHA3-384 hash: | 2d188f9a9a8cc964061eb6ebf61cc966fc0d1ad07d0ef74f5a51e0f1eb3cb41a611170130356330fc02d5577cadd9aa7 |
| SHA1 hash: | 3bae27ed985f3f1e0395e9109f665febe6869da1 |
| MD5 hash: | 3d8e30ed793f05e29340d33fbdeee782 |
| humanhash: | emma-hydrogen-one-cardinal |
| File name: | SecuriteInfo.com.W32.Injector.AIC.genEldorado.7917.29244 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 215'881 bytes |
| First seen: | 2021-05-20 19:23:05 UTC |
| Last seen: | 2021-05-24 14:19:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla) |
| ssdeep | 3072:DQIURTXJ+MXjBdTVHCd5nWDzbsz74/m/kBLoYrMhs2sx386mc76Vbq5nO97EGjbN:Ds9XjrM5nuzs7kGLm2Y86yOO9wGfcA |
| Threatray | 5'241 similar samples on MalwareBazaar |
| TLSH | 0A241252B4DA817BD04787735EF26733DABEB7022A61036B2B045FBE5C6148369232C3 |
| Reporter |  SecuriteInfoCom |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.Injector.AIC.genEldorado.7917.29244
Verdict:
Malicious activity
Analysis date:
2021-05-20 19:29:56 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2021-05-20 15:06:50 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'231 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.wt336688.com/3edq/
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_formbook_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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