MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e3639a291e120d2ac06f722f0da51fd842cea6469339208ef0ec6e7edf84e310. 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
| SHA256 hash: | e3639a291e120d2ac06f722f0da51fd842cea6469339208ef0ec6e7edf84e310 |
|---|---|
| SHA3-384 hash: | 23be9228a527175f996f14b5d56483df42d70adb93fa4961d81b6b1cfea8a50b7e834f965f6cf777d2e5e07d86ce8187 |
| SHA1 hash: | c55656ad4fad7217f1a0e71dd9e13102039eff0d |
| MD5 hash: | 43aa5e8b27546106dd66c0dae83c5f59 |
| humanhash: | blue-nitrogen-item-one |
| File name: | 43aa5e8b27546106dd66c0dae83c5f59 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'589'248 bytes |
| First seen: | 2021-08-13 12:23:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:Oh5E394sjPBi/7Ui9rI9jGoaft/VEMv/ZkkDOEVTQ6H+Uy1Susr8MmH3jr:FKo8UimctdEA/ZkceZZS5R0 |
| Threatray | 7'809 similar samples on MalwareBazaar |
| TLSH | T1AE755C3D19B92637C1A5C6758AE18817F0409CAF31D1A9BC94C67F66C3F2A5335832EE |
| dhash icon | 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift Copy.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-13 11:09:33 UTC
Tags:
trojan exploit CVE-2017-11882 loader formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-13 00:17:09 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 7'799 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:uisg loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.makarimusic2020.com/uisg/
Unpacked files
SH256 hash:
a839f53c1d3dab9d07a031340b3b0e571f13ae99e99f765fa0d448a9f448f41e
MD5 hash:
9fc2f563e657bd42fbebb22c728e9b0c
SHA1 hash:
52fa9071cbcb5c508d285d65ab0b7dee8c9f851c
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
ba6579c6a4408f2eb899f3743de65000cb834ce5878f666e5c4bce026f931a82
MD5 hash:
956c7ae9486e5095631e4c7f99de68c2
SHA1 hash:
fce11b1bdbe0b282600cf668fb7698fbc1f8c1a1
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
e3639a291e120d2ac06f722f0da51fd842cea6469339208ef0ec6e7edf84e310
MD5 hash:
43aa5e8b27546106dd66c0dae83c5f59
SHA1 hash:
c55656ad4fad7217f1a0e71dd9e13102039eff0d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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: | 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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