MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 073bd91e3126ffb49e91e35f401d096e6bc474b973d432f001e9df2fb62d7a42. 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: | 073bd91e3126ffb49e91e35f401d096e6bc474b973d432f001e9df2fb62d7a42 |
|---|---|
| SHA3-384 hash: | ced14a0cf09532c9b13aed9e73d4b2f94040838125aa7ff425f2150a1af81f91ac8106e07d6be863e0a39caaa51cbf41 |
| SHA1 hash: | 6a48ed1d66e3d097e1edbc0366196c6045b16db6 |
| MD5 hash: | 457727c9b8dd78217d49bea020449909 |
| humanhash: | oregon-michigan-april-robin |
| File name: | 457727c9b8dd78217d49bea020449909 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 737'792 bytes |
| First seen: | 2023-10-23 10:34:09 UTC |
| Last seen: | 2023-10-23 12:31:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:sMX+MtgR/mZRM+BPEyp1mKTJ1+rz9SiA8hkhvRT+Jvn2FxZIrvGEdybhnnI0Cq+G:9gkZR52eTJ169SLJRROv2D+vGEdybhnx |
| Threatray | 5 similar samples on MalwareBazaar |
| TLSH | T152F4121037A8AB52C93D77FA98C9900497B6473EA367E34C2CC272D915A571CCDA2F27 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
310
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TotalXTunisiaXRFQ.docx
Verdict:
Malicious activity
Analysis date:
2023-10-23 08:07:53 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader stealer spyware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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.
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-23 11:08:56 UTC
AV detection:
19 of 23 (82.61%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
1ab7ef141bf6cb962178dd726db66ef1b101f5bcabd9f0b9c6b48965ef8ad2b3
MD5 hash:
5a273b8d3f6c762fc1815c0f763e2286
SHA1 hash:
dae6bb051a511db443a3ef5afe9c10298275ce17
SH256 hash:
8569fdcf712a9a1536ea68774c55bf92906ef715ded919f09473ffeeec090515
MD5 hash:
5a1ef60cdf5e8fdd4dd9f77a3bf3d553
SHA1 hash:
d8f6dcc33ef966632cb62213639d1a17b992f782
SH256 hash:
83504e4957b6a912f212206d84c5a30c8878ff864359700e69f73586c19cc098
MD5 hash:
3503951190f52faa6b1e6860b82e0f3b
SHA1 hash:
eb5ebba6411b525114ee1fa1ede005bf6a3b70f8
SH256 hash:
85cb15c8faf9637dfa21fdf4934793c2fce7a9e1fab54091645069c97357e860
MD5 hash:
0b89d8fc23753531ba10e3367e73751e
SHA1 hash:
c421597d6a8543f5fdb33de1075c0d56bffa7cf4
SH256 hash:
a1b5107c6371bcafd9b66c32f1724c1c949d14308236705bc8a48352d1e46b37
MD5 hash:
2d7677c45f029277dc4dfd408584aa4c
SHA1 hash:
b6849ae76016132c32f5cf5d12f61988a90c7daf
SH256 hash:
073bd91e3126ffb49e91e35f401d096e6bc474b973d432f001e9df2fb62d7a42
MD5 hash:
457727c9b8dd78217d49bea020449909
SHA1 hash:
6a48ed1d66e3d097e1edbc0366196c6045b16db6
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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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