MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2c8f4b4a178ea06cffe462e08ba5ddabb964cb715b9cdd4024c1b0f7bc7e78e6. 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: | 2c8f4b4a178ea06cffe462e08ba5ddabb964cb715b9cdd4024c1b0f7bc7e78e6 |
|---|---|
| SHA3-384 hash: | 188f1160b9b2dd03228f4a18ef198aae53039b001ee68f150ba92870b7aa22c0f88c2b51fbef3d997f61d9eec45465fc |
| SHA1 hash: | 2f357de6dd13643fa0d70cdf2eafc2449b544190 |
| MD5 hash: | 7c8fbdef3b33f6a11926627e671d7b7f |
| humanhash: | winter-september-eleven-zebra |
| File name: | 7c8fbdef3b33f6a11926627e671d7b7f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'394'688 bytes |
| First seen: | 2021-12-14 12:55:25 UTC |
| Last seen: | 2021-12-14 14:47:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:+6wtJFMY5NqtlzSt7geF0w+v+0J2gT496A7GxXr/wUa:rwGkNeGOzEcohap/3 |
| TLSH | T1B155236D3293B9DDC42447F9B36CD03C53B29D729A03D79AD99631DB082B3687C23586 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BANK PAYMENT INSTRUCTION COPY 13-12.doc
Verdict:
Malicious activity
Analysis date:
2021-12-14 10:21:50 UTC
Tags:
exploit CVE-2017-11882 trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware obfuscated packed
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
.NET source code contains potential unpacker
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-14 12:59:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:a6rm rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.99moive.com/a6rm/
Unpacked files
SH256 hash:
e437d060793b2370feb0a2f0e80de64f90ab8bc8b7373b80e652840eda56d5b0
MD5 hash:
07273ae18fb860bcdab22ae072dbfd3c
SHA1 hash:
7cac3b658a9e2a1fb2d7bf97b68acbe360642623
SH256 hash:
c6225b5de8c04f5f01d9f42383dbb531dac4e0fbffc96a37c736b3ee258c87c0
MD5 hash:
138820458f9d5c851f138f5ba48588eb
SHA1 hash:
8ad03301e2a53bef68d45cf3b75f541d85db1c6d
SH256 hash:
b83fbfedc35a453ceb37dafbb2cab96625972e0b68b8146fa19d317f75120eac
MD5 hash:
06533dfde1d34bca3d4990cedce5d7d7
SHA1 hash:
1627782a8eea8af2a404459e736e7178a920b695
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
2c8f4b4a178ea06cffe462e08ba5ddabb964cb715b9cdd4024c1b0f7bc7e78e6
MD5 hash:
7c8fbdef3b33f6a11926627e671d7b7f
SHA1 hash:
2f357de6dd13643fa0d70cdf2eafc2449b544190
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: | 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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