MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f. 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


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f
SHA3-384 hash: 23d61b81291bd6ae1755f34f94ad546d8a8b3c5cfc401ca9c52009fa8364d83a6f1ddabf87d41074e9e28c914f78ec6c
SHA1 hash: 14f91ca5b5b835af4124dc9be2de39f4be4a1274
MD5 hash: db64feac9215f26b3a652fd97dcd6f3d
humanhash: beryllium-freddie-mockingbird-eight
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:758'272 bytes
First seen:2022-10-17 08:45:21 UTC
Last seen:2022-10-17 21:17:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:nBTA7gPX2UrYs7put0zMv/psjosO78D4gm/IM2:DVss7Bi/pssF78Mgs
Threatray 15'988 similar samples on MalwareBazaar
TLSH T15CF4182828E7411CF87B8BB99FDBF8DA8C5AFA31212974DA10EE57428523E45CCD3175
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320830/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.62869137.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634d164c66721ebd9b2ec4d1/reports/ab224661-44d9-45c8-a050-a755d4352a49/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd0989ad-7c11-4588-900b-e1a4b88a7a63
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1092045
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-16 17:42:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xq3qmbtmdtcswq4x5wszszgg5bfjmqjzcm5o74xexwamje3tjghq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415
Formbook
240af737f08b41b9fb0b540653951b5b9b7c4459ad86a88e1ee33918f757f573
Formbook
26ee13ceb4c1b409a14de72d0cf8e1f3b0cb4d92a416b8618cff800df7762fb1
Formbook
502faf9dc689a2307ed18c77d6c3c12d6f5a095500d8c977fc7e97c3676de81b
Formbook
6315c1e9f163a6c5ebc4105abca670bc5b4a1d22e971d57e2983a3a4b8fbaeab
Formbook
649e67dfa9829d849ab0e2e5dd9c40702dbb89cf5a8a02ad111c5f2df79c411f
Formbook
96c2f6719306e60120f214c54417de3819cb61d1a6b80bbcd177be659beeeacb
Formbook
c4d1c39814d1e2d2aff5e0bd608585c6ff9c932c3480d73eb30310cf3c4be029
Formbook
db0d06fa07ee8e6e77913e27ddfcd29639bc382b68a75c86c4a6e2f5b4781530
Formbook
ef66ea0bcee19ccd3d2771a170ff218a3e43b27f1b18f24e08685cb4d3fe053a
Formbook
+ 15'978 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dj6o rat spyware stealer trojan
Link:
https://tria.ge/reports/221017-kpavgabcfn/
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cca572d3-7417-4b7e-a0dd-456c26f72aba
Unpacked files
SH256 hash:
2864947a97315bfb19dec7cdbb106d315d053ac8a28c4047dc4ae2545504f449
MD5 hash:
606d9eefd0cfa76b39517dc0c96c0824
SHA1 hash:
e02de6a8d4822dfa1358d30d08f77d1c02268b9b
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c79aa5ac-2492-4612-a7d4-d8225da19449/
Parent samples :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 hash:
35b2604527cdb330c5b0c20e961bb8b88cb1a3eff0de70246be9b62b85fdd59d
MD5 hash:
8f8dcca4fabf1c13ad59f55dc145c7e8
SHA1 hash:
108a75e830a13b250a127dd45bb041dc1392fdba
Link:
https://www.unpac.me/results/c79aa5ac-2492-4612-a7d4-d8225da19449/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/c79aa5ac-2492-4612-a7d4-d8225da19449/
SH256 hash:
e03f0b7f80feb2047510e6f1a18eba282a4f400068967ab1a39cef8c3eb6903f
MD5 hash:
2fe3cc9c501630f483ffb21daa91bbc6
SHA1 hash:
4d8fe852deb8a01d2435f7f5c6dcbed65e45ae9b
Link:
https://www.unpac.me/results/c79aa5ac-2492-4612-a7d4-d8225da19449/
SH256 hash:
bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f
MD5 hash:
db64feac9215f26b3a652fd97dcd6f3d
SHA1 hash:
14f91ca5b5b835af4124dc9be2de39f4be4a1274
Link:
https://www.unpac.me/results/c79aa5ac-2492-4612-a7d4-d8225da19449/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f

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
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe bc3706066c1cc52b4397eda59964c6e84a964139133aeff2e4bd80c49373498f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/320830/

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