MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 255506cf2f11fd60925729fe567e971eec5718dfff04051deac436d6e83874af. 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: 12
| SHA256 hash: | 255506cf2f11fd60925729fe567e971eec5718dfff04051deac436d6e83874af |
|---|---|
| SHA3-384 hash: | 9aaa900393443b19d4400d4d29b1392ef3fbb7322e2bc78914edf700b782b25b4c39518aed6a32d01d02b51f2251a427 |
| SHA1 hash: | 0f3d391d88a3b174ba33c3c1ef033f6089dbff16 |
| MD5 hash: | 79c4bfe2768aa6941fe3dddc7bd48e7d |
| humanhash: | bravo-princess-november-sierra |
| File name: | Orden de compra.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 246'302 bytes |
| First seen: | 2021-06-22 09:13:30 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger) |
| ssdeep | 6144:pBlL/4DgN8cOwmHQihvPJU9cubngctc57kyCwwX:P4gLeL69Vt7wA |
| Threatray | 5'962 similar samples on MalwareBazaar |
| TLSH | 9234E092BB828C67D4868578183BD263C6366F195F2845E727643F2F7C726C32836C87 |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 09:16:03 UTC
Tags:
trojan formbook stealer opendir
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-21 16:13:21 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'952 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hopelessvisonary.com/s4h4/
Unpacked files
SH256 hash:
ac84658e3f2566e6e12518bc90eed8039463cc3a88caf6e164a87c31e5011a57
MD5 hash:
39f4f5919068348bce2478063a0c4bef
SHA1 hash:
bb6fb12d3043f8c972a072f3491f62f416b2fc08
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
MD5 hash:
56a321bd011112ec5d8a32b2f6fd3231
SHA1 hash:
df20e3a35a1636de64df5290ae5e4e7572447f78
SH256 hash:
255506cf2f11fd60925729fe567e971eec5718dfff04051deac436d6e83874af
MD5 hash:
79c4bfe2768aa6941fe3dddc7bd48e7d
SHA1 hash:
0f3d391d88a3b174ba33c3c1ef033f6089dbff16
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
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.
Malspam
Delivery method
Distributed via e-mail attachment
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