MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 41505a84ca11ad70e286ae8ca142ab8b72cf81346fd88ae524a3d4476fa81253. 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: | 41505a84ca11ad70e286ae8ca142ab8b72cf81346fd88ae524a3d4476fa81253 |
|---|---|
| SHA3-384 hash: | d2d9678ded51e647d84ac1340440fe998155045dcceb912fdd6835207615d448a16f41bae50bf1c54f25313d97a62bed |
| SHA1 hash: | fa45368fd1d4ffcb8f404bf84cd23607cabef40f |
| MD5 hash: | 46d7212aceef2e229d78ab921a8721fb |
| humanhash: | sixteen-maryland-spaghetti-montana |
| File name: | HAMFES COFFEE RFQ #5688QM-988765RQ-ESPRIUS-DES-MWQTRRMG.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 830'976 bytes |
| First seen: | 2023-12-05 14:21:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'647 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:uAKE6jD/62iNG5nF88nrSCKsDAlW21meQdsxLrw64xIPAEjkG6ggHZ/yOJ:uAKtD/61Ir+CKflpmeEwCwAEAG6ggZV |
| Threatray | 455 similar samples on MalwareBazaar |
| TLSH | T1EF05126072ECAF4AE9BE87FA06619100A7F6BC2A0575C30D2DD271CF1375F609651BA3 |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
304
Origin country :
USVendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 19:51:00 UTC
AV detection:
14 of 22 (63.64%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 445 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
e1cd422211be8313432e060230077ee44ecb740f81422361302ac6e94d30533f
MD5 hash:
877cc005d14ec4e34298beefdf4b144f
SHA1 hash:
56712f1810d9fb498c02f56c121d42d0fc60b5f1
SH256 hash:
edae7ae229469994b2558a42df4a49ff6c06c162d3e866182b9db025c8e85f00
MD5 hash:
d5ceed36293049865176a4304c6014c2
SHA1 hash:
316bad7b72ceeac13f3dd2fad8fc62485e08c5b2
SH256 hash:
9a7da35252700d7add5da2e6f9b7cf988f26ff65c4450171d07a0da72d821cae
MD5 hash:
1cb76b1908cae01215bec252a0f800ef
SHA1 hash:
913bf21d6cca5a3e23b9e93227ed65a61b99a0fd
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
SH256 hash:
41505a84ca11ad70e286ae8ca142ab8b72cf81346fd88ae524a3d4476fa81253
MD5 hash:
46d7212aceef2e229d78ab921a8721fb
SHA1 hash:
fa45368fd1d4ffcb8f404bf84cd23607cabef40f
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | 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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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