MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 88a9cfa636128b92a40156cdabb79f0058c7cf70bc392e60a9e8ec6c1090e6cf. 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: | 88a9cfa636128b92a40156cdabb79f0058c7cf70bc392e60a9e8ec6c1090e6cf |
|---|---|
| SHA3-384 hash: | 50f084a8882fef53860293097ebb9cce124cdd96ca1f819e04dc62044fa7b6fe0330c06e01fbac55373ba75f589ae0c2 |
| SHA1 hash: | 1ae15b049c1059d1e43ae5851005f50826c0d0b2 |
| MD5 hash: | 8c64b248212fd63f7c0cfdca16b6b5aa |
| humanhash: | lake-rugby-venus-item |
| File name: | Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'307'648 bytes |
| First seen: | 2021-07-26 11:13:44 UTC |
| Last seen: | 2021-07-26 11:52:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 24576:vzOsBgo0q4wMzBmCmTOUd+L6kWXWVnH8DONgEE35Nu:vioHM9mCm6Ud+zWXgncDO6H5M |
| Threatray | 6'835 similar samples on MalwareBazaar |
| TLSH | T1F155BFB1191DEF22F4B706BD7472564442B48D46C9ABCB68FE7332ABCD70BC23456A81 |
| dhash icon | f0c4e86969e8d4f0 (9 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-26 11:15:37 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
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system 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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
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:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2021-07-26 11:14:08 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'825 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer suricata trojan
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
Suspicious use of SetThreadContext
Deletes itself
CustAttr .NET packer
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.elitegamerblog.com/gsg0/
Unpacked files
SH256 hash:
1fb0d1c7757240b953f11cdc24e010bbaff91da2702fe56862a12c4cb557657f
MD5 hash:
3165dacb51f4b6edfeaf829acd0bc2f2
SHA1 hash:
f783151b607fb33dc938e25ab9da03462ebb995e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
e44cd5906e0fed8d6506e0e613958899b72ff4c3bd1812c83d363908ae5cf47e
MD5 hash:
77089b98f341bae70c3df16c9b398507
SHA1 hash:
7b30fb3da5a4167927ba29c434bea6ea91060a03
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
29ba8277c1cd390ab4f8dd9f62b919dbef6ed888febc2304f15302793103593f
MD5 hash:
32afd27b25a0f7f6df79c97b0f4d4f69
SHA1 hash:
145598bec00120ca712e543d58c8a18bd208406d
SH256 hash:
88a9cfa636128b92a40156cdabb79f0058c7cf70bc392e60a9e8ec6c1090e6cf
MD5 hash:
8c64b248212fd63f7c0cfdca16b6b5aa
SHA1 hash:
1ae15b049c1059d1e43ae5851005f50826c0d0b2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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.
Delivery method
Distributed via e-mail link
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