MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91122440918a0e91cf0b3d17b11b767ebc8efa6898b10ed2f8d8b145f13e48ec. 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: | 91122440918a0e91cf0b3d17b11b767ebc8efa6898b10ed2f8d8b145f13e48ec |
|---|---|
| SHA3-384 hash: | 7c7da986ff928ed01f404efb8f584c4bee7fc159196e9aac8e4d64f4de6b0f0d25eae210738691a3b6654edbb3ae1bf5 |
| SHA1 hash: | 9077605a3ee3005e3f9a03adf39b932c1773d11e |
| MD5 hash: | cc4e312c146a18762fbdb160af306aef |
| humanhash: | india-four-golf-salami |
| File name: | cc4e312c146a18762fbdb160af306aef |
| Download: | download sample |
| Signature | Formbook |
| File size: | 874'496 bytes |
| First seen: | 2021-09-09 09:29:08 UTC |
| Last seen: | 2021-09-09 13:36:06 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 6144:m8cFJLgGaAQbaYm7FXPm9y2yOQrhOEy7ER01sfUVqjSqTjXvqE1I20kyZ8i:mk1d0hbgEW1SFX1I3 |
| Threatray | 9'157 similar samples on MalwareBazaar |
| TLSH | T11B0586ADF5BDD226836DCACDE7D35417E3A1455A3322982097B7031EA212B41F483F6E |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cc4e312c146a18762fbdb160af306aef
Verdict:
Suspicious activity
Analysis date:
2021-09-09 09:30:21 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:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
2021-09-09 09:30:12 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'147 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:3qas loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.nankaituanxuan.xyz/3qas/
Unpacked files
SH256 hash:
ff827158abefb9819c8681eb9ad8041e7ab8f7d668304d5fbad756bf117954dc
MD5 hash:
f19d80d70b3b14ce3604d830cf37fe60
SHA1 hash:
86f5bca76d77f1b22d91e3ea43c1b46c5aa4117f
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
SH256 hash:
d836b76e9c2706b86e505da0ddfe8634791c7204f0b594f07c169397015ccb72
MD5 hash:
2f145bc2e0f17c577e51cc6cd0c9ae6b
SHA1 hash:
a497c2c76b3aeccc69d85b440718ebeea40cf087
SH256 hash:
91122440918a0e91cf0b3d17b11b767ebc8efa6898b10ed2f8d8b145f13e48ec
MD5 hash:
cc4e312c146a18762fbdb160af306aef
SHA1 hash:
9077605a3ee3005e3f9a03adf39b932c1773d11e
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: | 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.
Web download
Delivery method
Distributed via web download
Comments
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