MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1c15ea3af11fff459a53839bf25bec6acd4b0bc15ee5bea4b14ee826e0bbbc0. 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: | b1c15ea3af11fff459a53839bf25bec6acd4b0bc15ee5bea4b14ee826e0bbbc0 |
|---|---|
| SHA3-384 hash: | 3eba306e4fecac97993955443f05c2735c4c2188e7ea69dfab5fb231ae472424dd933667265295f68f79d2acdd0d47bc |
| SHA1 hash: | 73f2d3d5e80f7043d3a7e93f31099d115f035894 |
| MD5 hash: | 8789a7d58441533a2683aced950d7541 |
| humanhash: | east-carbon-emma-crazy |
| File name: | rooming list.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 308'333 bytes |
| First seen: | 2021-08-07 00:44:14 UTC |
| Last seen: | 2021-08-07 02:03:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | eb692bcafb7844ec23ba375a9c36b95e (2 x Formbook, 1 x a310Logger) |
| ssdeep | 6144:QdFH+CC2iyxB/N2aaaaaaaaaaaaapj5YCL4VWsVFzG5pTuyUp+37FHgaafXmQ:QdFPxv37dYCL4ocGbydm7FHM |
| Threatray | 7'536 similar samples on MalwareBazaar |
| TLSH | T13A64F143B8D14475D4726A7184B5C8A11A2FF9628B35CEAB3788B23A4F7C3D05836F66 |
| dhash icon | 3b61c9193925956b (5 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rooming list.exe
Verdict:
Malicious activity
Analysis date:
2021-08-07 00:46:38 UTC
Tags:
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
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-08-07 00:45:07 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 7'526 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:mn9v rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.lt1699.com/mn9v/
Unpacked files
SH256 hash:
ffa0064b2ba34c90f71cac1f37a2fcaed35c13d7eb329ed87df2704c38d0d044
MD5 hash:
d50a239760a14c8583cbdc2a37ef339d
SHA1 hash:
2292b187c2900ed53e2e72300d18c5a35bce3efa
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
b1c15ea3af11fff459a53839bf25bec6acd4b0bc15ee5bea4b14ee826e0bbbc0
MD5 hash:
8789a7d58441533a2683aced950d7541
SHA1 hash:
73f2d3d5e80f7043d3a7e93f31099d115f035894
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
Formbook
Delivery method
Distributed via e-mail attachment
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