MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
SHA3-384 hash: 8a9fff9e9719cb2b83de87ae49e4df8cebdd928a85be7c5a7a91138effa4e80e6be272eb1f843b71bf0af273ddf2c138
SHA1 hash: a59e65c3ecc0c3f586bece4db3a085734c3e4da5
MD5 hash: 2fdc9cdf35cbdd01b4f61eaa4d8d38a6
humanhash: ohio-missouri-happy-failed
File name:QUOTATION '.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:906'752 bytes
First seen:2021-09-23 06:17:12 UTC
Last seen:2021-09-23 13:45:29 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:uNU2iNq2iNfQqxyKxc+p778YUIWFLCf2YLQ0/FdSBo/Wj+W:EU1I1xQ4J978YPWFWfPFd7f
Threatray 9'613 similar samples on MalwareBazaar
TLSH T188157A394D2782F747EEC66CD08C1BCEDEA6A4837B919F1AC496D7C2025B70BE48855C
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION '.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 06:33:07 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/5e2357f5-26f1-496b-ab0d-8be8a9a61151

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1037-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c9cfec1-8986-477d-9373-fdf2404042f3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856462
Signature
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-23 03:31:33 UTC
AV detection:
12 of 44 (27.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y7siog6y4iva37mbcyqgz73gghfevemfpx3vaf5ysb3i3idtabaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
Formbook
13b97bdc5e28d592ef42df9b6fcd18514bcc38ed26f28ec5943dbbd479458fac
Formbook
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
774c08451198a951fa73f9859b5e48c12c5df9214759e4717e56d92fb4c09d1e
Formbook
8d536146e57d878eea148bc98170d2f7cad77ea57f0fbefedf3f3c0dcce40ac5
Formbook
bf335484cc9fdfc68bda67acbe6eab1f65f0f7dd7043b3aff47b47201ca531c5
Formbook
ed4ba3559a925d94bd2917dd5d4247d84e904b1e8423c21e40a0b9efc7b295d6
Formbook
f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
Formbook
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581
Formbook
+ 9'603 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:c2ue loader rat
Link:
https://tria.ge/reports/210923-g2lwqafae7/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heidevelop.xyz/c2ue/
Unpacked files
SH256 hash:
4fe5eccf2d183b9c91b135a9659155103c51b75cc28268407d735935383381e4
MD5 hash:
3b5dca5c0340a8ac46af819bae7eb71f
SHA1 hash:
ff288bc89fcef4be981bc620d5248db6d03d9090
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/058b4301-ad73-48ed-9f3f-6d786b0a2f2b/
Parent samples :
f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
bf335484cc9fdfc68bda67acbe6eab1f65f0f7dd7043b3aff47b47201ca531c5
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581
03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
8d536146e57d878eea148bc98170d2f7cad77ea57f0fbefedf3f3c0dcce40ac5
ed4ba3559a925d94bd2917dd5d4247d84e904b1e8423c21e40a0b9efc7b295d6
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
a109f0b9407728fef1b41d766e8228085ee04661156d84ef543777bf311f450b
9748d96e1143a06277d9cc3e9398d366fe3fa21c4316b8134462c42a0020fe87
bdf00456287e3b458420249732255abf583ab0d6b5eb263f45d6ff329abdde93
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/058b4301-ad73-48ed-9f3f-6d786b0a2f2b/
SH256 hash:
d34d7e47da2a44c18ccff93f6f64febb232198b1da8a974bc4435cd22232e6dc
MD5 hash:
ac3e0178d1d3dc8a994f275215f0d365
SHA1 hash:
471afaa2545f3c47f9a9ffa9debfc84946ecfd71
Link:
https://www.unpac.me/results/058b4301-ad73-48ed-9f3f-6d786b0a2f2b/
SH256 hash:
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
MD5 hash:
2fdc9cdf35cbdd01b4f61eaa4d8d38a6
SHA1 hash:
a59e65c3ecc0c3f586bece4db3a085734c3e4da5
Link:
https://www.unpac.me/results/058b4301-ad73-48ed-9f3f-6d786b0a2f2b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

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: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 c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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