MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a9057facef9978ff272da6ac0e4018aa27dacb0c878d03b84cb9d3bc1d89b9b. 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: | 1a9057facef9978ff272da6ac0e4018aa27dacb0c878d03b84cb9d3bc1d89b9b |
|---|---|
| SHA3-384 hash: | ac3efc88c59c536b2f90a1cab4fa815bfac285a0a27c4e84e08c0e3cd51f16411f8a653b65eff08ac63c4eca062ef0ea |
| SHA1 hash: | 7982aeaeda588aedd14d858ffd924769676d31c2 |
| MD5 hash: | c71e5c2efb9574e0159289f7b1634ba4 |
| humanhash: | arizona-november-neptune-virginia |
| File name: | c71e5c2efb9574e0159289f7b1634ba4 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 649'728 bytes |
| First seen: | 2021-07-28 15:33:01 UTC |
| Last seen: | 2021-07-28 16:49:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:kRpPleIs7iS/d348pF96Ufe9S/yhQ/9Rt4jAObhAeuX0dI6m/gR:kVeIvS/d3rmU5KhQlQAObhAqdI6YC |
| Threatray | 6'930 similar samples on MalwareBazaar |
| TLSH | T198D49D65448CDF9ADC5C03B4DB8C02F02EF19CA6E170E6633E897DB1B5B0A15D9B9386 |
| dhash icon | 4549494d4d2b714d (7 x Formbook, 6 x AgentTesla, 3 x NanoCore) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ# 626669 .xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-28 14:55:42 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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:
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-28 15:33:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
13 of 28 (46.43%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'920 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
CustAttr .NET packer
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.gupiao888.club/ons5/
Unpacked files
SH256 hash:
3573d6ffcfc2021bfe0e6ff5130a102aabb20817b0c2f15e65d7c1161acd37c9
MD5 hash:
ba8bdfdac166b8268e836669aa0219c4
SHA1 hash:
4dff36b7c115b932c77b8cd07d4e49dc0e236c94
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
3e479e4a51623dcab7608d422d5a0f6764ac3e96300b5665ae480185769fb051
MD5 hash:
821e9091a961f13cf7b60283fba5f48a
SHA1 hash:
237626bb682f2857325bf17e5c2c42f4fcf501cf
SH256 hash:
690fbc067065b38effcb49d93f42b15d68ed539fa603eeebcdea21ff1799217c
MD5 hash:
db2f9e85dd639eec9076ed5aa9e356ed
SHA1 hash:
16aec1e2e5f6e109ddef7a249137421fda9b1980
SH256 hash:
1a9057facef9978ff272da6ac0e4018aa27dacb0c878d03b84cb9d3bc1d89b9b
MD5 hash:
c71e5c2efb9574e0159289f7b1634ba4
SHA1 hash:
7982aeaeda588aedd14d858ffd924769676d31c2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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: | 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
Delivery method
Distributed via web download
Comments
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