MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 591223ca16887fbab10fb075f2e050c931b049aa812e82706106211c1b2692ba. 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: | 591223ca16887fbab10fb075f2e050c931b049aa812e82706106211c1b2692ba |
|---|---|
| SHA3-384 hash: | 3a73ac1fe8cb66e9b589c95a1dbc4e0c3e93f6e6e671d3be3dae38dcc6c8356fba31c70ab78401e1a2c0a2ae0063e429 |
| SHA1 hash: | 787b10afcd6822d0557bb02c6381ede439e67d36 |
| MD5 hash: | d7a530032877eccbbcb19a12c7cdb4ec |
| humanhash: | wolfram-virginia-enemy-freddie |
| File name: | SecuriteInfo.com.W32.AIDetectNet.01.2006.23787 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 721'408 bytes |
| First seen: | 2022-06-14 16:45:17 UTC |
| Last seen: | 2022-06-14 16:45:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 12288:eBYLvwt73A7H/MWjSlfHrlwxBBWzYOJhtyqlJ7ZCEjnJzfgmb4Tzz9qFpGqL+:eewlE/MWjSYnYzYIhtyqlnjJz74nBq |
| TLSH | T135E40220F6DF531AF07E77B599B866248237323B2035DB8D098A944D1E63792DA10F7B |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.2006.23787
Verdict:
Malicious activity
Analysis date:
2022-06-14 18:11:29 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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:
92 / 100
Signature
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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:
2022-06-14 15:16:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:rn34 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0c10dc87b77e44e72cb06987e1428dd413ae84e34857a1b9ba6cf9ad40512f5c
MD5 hash:
339469131bb6b65cc89a6da432ecb583
SHA1 hash:
125fc82dc41ef29ade7d10de2714b678cc6154d7
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
a05bbe1bffba2805a9a68d9ff76fde1182508f2d92cdfd72836d3afeaa0aba67
MD5 hash:
2b74e65c5d9bbfcb7856ebb82c241068
SHA1 hash:
8db86718468b8c226372526dc91d29630c461565
SH256 hash:
f1ba6d1a28216838bb8e8100b023f8cc8d6b0456fee8ed00ad10064b7a37bb2c
MD5 hash:
ae4717d9dcda965f98cef1b77de124f5
SHA1 hash:
472a80d261bcd002f3ee10c9472b9bbe1b54bd03
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
SH256 hash:
591223ca16887fbab10fb075f2e050c931b049aa812e82706106211c1b2692ba
MD5 hash:
d7a530032877eccbbcb19a12c7cdb4ec
SHA1 hash:
787b10afcd6822d0557bb02c6381ede439e67d36
Malware family:
FormBook
Verdict:
Malicious
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: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| 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.
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