MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d. 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: 2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d
SHA3-384 hash: 37c78299acbdfdfeca2701c12784ca6d247d7891728bd99c5c9d4fd498c26243f6f17104ba6f0afd96b6157f7d221380
SHA1 hash: 5681f27fad2f056fd2b108c834e975ed011ebeda
MD5 hash: 40654137f8d1d0ccbba0977727d78103
humanhash: aspen-michigan-alabama-solar
File name:requestings.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:923'136 bytes
First seen:2021-07-27 22:46:15 UTC
Last seen:2023-04-05 15:13:37 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:kSGyvUIZbVlBPI2VBPXUG4P82RdZpYLU9H0GGFSXbPJ1v6Q+:zvDBlBPIOBPXUkYpYgR0Gv6
Threatray 6'921 similar samples on MalwareBazaar
TLSH T17215F1263227A258DC3883F90C24D1B16BFDAC29663DC3792AC5AD7F7D736785AD0640
dhash icon 33b2e861f0b33012 (5 x AgentTesla, 3 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
requestings.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 22:49:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b454f5c2-142a-4741-b9e0-e658e50d7b66

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/174539/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Porcupine.Unclassified.101029.UNOFFICIAL
Create hunting rule

Win.Packed.Pwsx-9880527-0
Create hunting rule

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/9e614454-42df-4ddf-b6fb-01863da5abbd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/822797
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 455209 Sample: requestings.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 3 other signatures 2->44 10 requestings.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\requestings.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 requestings.exe 10->14         started        17 requestings.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.spa-inthewoods.com 164.88.180.166, 49746, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 19->32 34 shopoctobersfire.com 31.170.161.86, 49748, 80 AS-HOSTINGERLT United States 19->34 36 www.shopoctobersfire.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cmmon32.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-07-19 03:50:17 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fckplvn3z5sia2asxoxkg2rfbi62rfj5ilpbxoz3gn7tzg2cieoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ba21a458c54d5e18218ee2cbdba20f6130fd55ab0951db770b3882e773a8917
Formbook
27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
Formbook
3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
Formbook
5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47
Formbook
5d4c17f9ea28e3df3efa9d9c7ba40444abeee049fe999eb2d579c6cf4ccc3231
Formbook
8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6
Formbook
ad86b6dd3faef43b4ef56786e35a7d2b38a369e6082c72c3cac0267a5b8efc5a
Formbook
ae5df8905dd1b9de509e6764dea4c5571916b1705a129bddf2f5e2e554552acb
Formbook
c2336a135878814b7b9b82146879a4ee8910e0a7e540415cb3716e1f62c1ea41
Formbook
c25e2223ce02406f44264119d1cc1aec651d903991ecd91fb848a912fb1e349d
Formbook
+ 6'911 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210727-2yr7kz1ghn/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.pamm4fx.com/vfha/
Unpacked files
SH256 hash:
b58ef07a392dde81ae91170bb1532e4b44374bf2297c7cc2dd9df65af3060899
MD5 hash:
5a9643f683f18e3bd752dea135c2fe01
SHA1 hash:
28a2c256ec80bd2e894555d7d435181e71fa9dc4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f794fbf-70db-4682-be9c-1794f04d0a5d/
Parent samples :
0ba21a458c54d5e18218ee2cbdba20f6130fd55ab0951db770b3882e773a8917
2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d
SH256 hash:
37aba1c0f1fe9fa1ce23d8d6e428d018abffe9d9e7e81cd4a616207efbb72c6e
MD5 hash:
618921e20cc61c1ab0946aa4079520d6
SHA1 hash:
8ef174067f2551e98f259b871f6b43af7f0230ab
Link:
https://www.unpac.me/results/9f794fbf-70db-4682-be9c-1794f04d0a5d/
SH256 hash:
9058d9502b719e3722ee6979d8980486eba06cc3356a1a4498d96c1399129114
MD5 hash:
8fd0e4917f376ec491823e7bf8f31a5d
SHA1 hash:
775e358261f0961f7fa6ac6473a611a6ce1d58b1
Link:
https://www.unpac.me/results/9f794fbf-70db-4682-be9c-1794f04d0a5d/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/9f794fbf-70db-4682-be9c-1794f04d0a5d/
SH256 hash:
2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d
MD5 hash:
40654137f8d1d0ccbba0977727d78103
SHA1 hash:
5681f27fad2f056fd2b108c834e975ed011ebeda
Link:
https://www.unpac.me/results/9f794fbf-70db-4682-be9c-1794f04d0a5d/
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/2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d

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 2894f5d5bbcf64806812bbaea36a250a3da8953d42de1bbb3b337f3c9b42411d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/174539/

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