MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
SHA3-384 hash: a7ba2ea6bfae23fe30f8ddb64a370a61c0e72c5b957127c43de4499c060e8a5cad9d00ca1ae217c3fef94aad222a9008
SHA1 hash: dcb0a715d37a03d7637d643fcae7af6ec923ef8d
MD5 hash: 37cee299a559d1b811d807fe0e90a257
humanhash: indigo-seven-kansas-sweet
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:468'480 bytes
First seen:2022-03-12 06:54:10 UTC
Last seen:2022-03-12 08:42:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vU8HRUcZ64hHOazraVIWueAkRnhOHTFwWQWnJ6MYI:vU8xUouazrgIWNdRIHTFw3+jL
Threatray 14'240 similar samples on MalwareBazaar
TLSH T1BEA4DF4531625BE6EABC973908315508CFFAA262D31EFA7C7C87A0CD41B1F4B464AE16
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/249784/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.28243.18938.27621.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/622c43c9dfdfa8501c905442/reports/845310ea-5138-403a-9328-c18181754d7e/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46ced4b0-cf2d-4533-a620-3b2f9a701a71
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/955401
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-12 03:30:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dl7frydodvgqm25zdoau2uheoni33pekrublbcqopn7sxejg26la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
Formbook
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
Formbook
21791c7eba15ff44e84b44080fa6c85cf824afafd5d987ce18d445dc942c34a2
Formbook
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
Formbook
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
Formbook
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
6f0508408689f77795e27f5320115355744c6b7d02cf59197dae8646bc73f267
Formbook
779f51468b459d7e4fa2fb6dafabd1771416f00bdd0ad587b1f3119da41edd5e
Formbook
bc7cf974c3cfb35a9e7f4abff78a9c68ae6a9ecb2eb78725adfd3ef6db6d6e0a
Formbook
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
Formbook
+ 14'230 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sued loader rat
Link:
https://tria.ge/reports/220312-hpszyahcb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
a41a4410fcd97b74ff170c987ba9600d76b217ca90833d7e4d1ad69cae514d92
MD5 hash:
75d7a79c712fe0b2b6b5ccc842b2b858
SHA1 hash:
cf9e8feef4effcf93c63087ed21b115be8c4ef79
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/81a61061-2929-49e4-86a1-442332016888/
Parent samples :
952fbe116a1aac4f0082519a0dc920ee5dc48e58fe85abcc27b82ecc0ac4e54f
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
00027d11309d55312ae77f32d4ae79671c91f541e577bace7a5a5abde05563ad
a97609f1fba62176ab743d20619f5dc76e660c19fe1640620fa71be956073642
9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
14814de29a97d78c562d283a935b231c5f1743e51eba50c5803c38d9a30902b9
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
a10514b9a622369f9e922896ec542e856068d2a4a10bc8808436bfd88a2e44f2
687269adbd2c39527574f47f87e641e50e1b0f76a7595e16da138ddb23934a1f
1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
11011a715ef9903ff51404d2ed9e5690db9e44ee62633a4a620fa456111c7c35
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
SH256 hash:
7c1dcaabf71687f28d65df8256e82c338f9f68ac1967b02cdce8589774e0835f
MD5 hash:
c8b4325ac66bb6dbc194642a1d512b26
SHA1 hash:
623286a134a6cb38eba7d0ce6386b31ab364227f
Link:
https://www.unpac.me/results/81a61061-2929-49e4-86a1-442332016888/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/81a61061-2929-49e4-86a1-442332016888/
SH256 hash:
1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
MD5 hash:
37cee299a559d1b811d807fe0e90a257
SHA1 hash:
dcb0a715d37a03d7637d643fcae7af6ec923ef8d
Link:
https://www.unpac.me/results/81a61061-2929-49e4-86a1-442332016888/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/249784/

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