MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f. 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


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f
SHA3-384 hash: df2194d0f778ad0747eadc8d93ed43b1ab4d068b4c19275f8a01554e65983190c35ae8225b416ae7d1542890ddc77ba3
SHA1 hash: d7c10bbe96a68661a5c782b6e23717b6157e77c0
MD5 hash: a88ede93b065e5cffca40acbcf5c211f
humanhash: wisconsin-idaho-uranus-bluebird
File name:Orden de compra cotizacion.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:833'024 bytes
First seen:2021-07-22 06:08:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:oyM+58WR1BM3MGYgZvwDRI86BBut8kmVIHPdgWTMyaUVKnp:j5fLBdKZvg56BGeOHXTTahp
Threatray 6'778 similar samples on MalwareBazaar
TLSH T10505CE35F227A748DCB4C3FB185891612BB9BCD9721AC7396E94B0FC68736786AD1310
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra cotizacion.exe
Verdict:
Malicious activity
Analysis date:
2021-07-22 06:11:54 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9ac3b893-e817-4860-9b31-f545d1644fb3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/173225/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

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/36ac6b80-2859-48b0-a944-cc376472c29d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/819948
Signature
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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 virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 452359 Sample: Orden de compra cotizacion.exe Startdate: 22/07/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 10 Orden de compra cotizacion.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\FboODWjvE.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmp65E9.tmp, XML 10->34 dropped 36 C:\...\Orden de compra cotizacion.exe.log, ASCII 10->36 dropped 60 Writes to foreign memory regions 10->60 62 Injects a PE file into a foreign processes 10->62 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.eemygf.com 23.226.51.219, 49745, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS United States 19->38 40 www.hatchethangout.com 19->40 42 ext-cust.squarespace.com 198.185.159.144, 49746, 80 SQUARESPACEUS United States 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 25 chkdsk.exe 19->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-07-21 19:56:32 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whvgpktzewi2hj76dydgnqork3rtuisxilu26qa5slf4i3re5q7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c0c946bd49128824271aa80cde029b625c3c1ca3ba6df6b3408cccddc02296e
Formbook
6f4fbab85c58d588450bc856ceff3894645e0033b4c4d2684184a8430c01daa4
Formbook
70def7c02d96cb8aab6702e0d6f32c72d7fafbd2b883e09007de9fe204cd3f59
Formbook
726a3798f80c7e482b512dc777bc692965136190990a5fed138934a546944121
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
8309d803c92faaf24828cd67e4c1041f9465ecf6c63f7608d7ed4579f075a02c
Formbook
8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6
Formbook
9d090a84e1769af41a7724bfbc082e60f50a8a10cf88378a4c3ca24420aade71
Formbook
f88dc07bd8d9ecaabaaad76a092029221077b4eba8d67714dc750b15a59d74f3
Formbook
+ 6'768 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210722-pmqxzws77s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.constructioncleanup.pro/vd9n/
Unpacked files
SH256 hash:
9a8075c5d78a69661c1ed07d1dc6a8f76acc5edd1d900dec908fd95f3e00cdc4
MD5 hash:
7fc4eef3c07b4890608859686bb43c97
SHA1 hash:
05f2d020d59a10ace5506ec8f6a1a5377b3ab155
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6b9f31da-c690-4da5-937d-0e2c2eff93ab/
Parent samples :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 hash:
960ce2602082e1ed38559d0da8e9d7e6443604eb882ce3ac925a8fcd281b7e3b
MD5 hash:
93099f712ca17654bc0ca0e718ae86ad
SHA1 hash:
e34ba386bbfcec1a74886cfbc5821bbe95d1e24e
Link:
https://www.unpac.me/results/6b9f31da-c690-4da5-937d-0e2c2eff93ab/
SH256 hash:
1fb6f4c838904e9c36bdbe437bf728444487b366bf85462c505dc05a035d4e15
MD5 hash:
8233f1fefef673a353569ee2048d6924
SHA1 hash:
4ca68980d511e8af54497be0d802926db35b0d02
Link:
https://www.unpac.me/results/6b9f31da-c690-4da5-937d-0e2c2eff93ab/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/6b9f31da-c690-4da5-937d-0e2c2eff93ab/
SH256 hash:
b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f
MD5 hash:
a88ede93b065e5cffca40acbcf5c211f
SHA1 hash:
d7c10bbe96a68661a5c782b6e23717b6157e77c0
Link:
https://www.unpac.me/results/6b9f31da-c690-4da5-937d-0e2c2eff93ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f

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: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 b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173225/

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