MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e83cdeb6387164b1564847119b9a521ba65867bb5f21af600616ffeba26eec1b. 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: 13
| SHA256 hash: | e83cdeb6387164b1564847119b9a521ba65867bb5f21af600616ffeba26eec1b |
|---|---|
| SHA3-384 hash: | 51d7d556e478fd6f3444e5493358a8c45722ca6074dbb212b645c49820bb99a98ac2f0b1ce82b203025f7f559e7c97e3 |
| SHA1 hash: | 59d1a874617ecc60fb0bb5a89c4fb73bcbc74de3 |
| MD5 hash: | e34311dea75521f6b14963afa948b3ac |
| humanhash: | cardinal-ack-moon-enemy |
| File name: | aOThyqtdnKntCHP.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 350'208 bytes |
| First seen: | 2021-10-19 10:52:49 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:27hrxX6dCF+YTbpxfH9JUHhTYO6LTN5hAHgY:2NNqYF5T1xfHcpY1Ol |
| Threatray | 10'757 similar samples on MalwareBazaar |
| TLSH | T15A74121927F14756C9BB1BFAAAE25A148731E2526112F70C2FC221CE4936F418DD1FBB |
| Reporter |  pr0xylife |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware keylogger obfuscated 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:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 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:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-19 10:53:09 UTC
AV detection:
14 of 26 (53.85%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 10'747 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:u4an loader rat
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.wwiilive.com/u4an/
Unpacked files
SH256 hash:
069f5bc8ae67850f3341c91901708aadf31cf424fd2ba96cd459b64f5f8d9a99
MD5 hash:
77669674808b8ac1ccba0662686352da
SHA1 hash:
a6d236d3ec472e89d887047d81632e758ef3633c
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
SH256 hash:
d98801ba0798cace7a8c30bbfffca86789c917197f1c0d98f8704e90437358e3
MD5 hash:
18deb5470e6298cdee88ddb2fd2bf1b0
SHA1 hash:
60cff7151caddeae1e2b5dc3bcc81381b399dcb2
SH256 hash:
e83cdeb6387164b1564847119b9a521ba65867bb5f21af600616ffeba26eec1b
MD5 hash:
e34311dea75521f6b14963afa948b3ac
SHA1 hash:
59d1a874617ecc60fb0bb5a89c4fb73bcbc74de3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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 |
| Rule name: | pe_imphash |
|---|
| 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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