MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
SHA3-384 hash: 3844db379d8dee6fae8bce9262aeb83bedffcc2b050f4b8d850b8c77e42fce9ddef4fb32d167069e3af71aa77c941fd4
SHA1 hash: 1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
MD5 hash: 1823dce627d29f5d4985501267f7ad9f
humanhash: blossom-delta-quebec-edward
File name:document de commande.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:566'272 bytes
First seen:2021-10-13 12:18:10 UTC
Last seen:2021-10-13 13:59:05 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:DMSSBQvlKxIhc8+PzqBpzZCRtDSybgO5Kdw06aDSBaEK:D0ByMstCvDS4h0dbDSB3
Threatray 10'424 similar samples on MalwareBazaar
TLSH T181C412207B5FDE26C5AB57FD008656F387B87932A1C6DE0A3ED036FBE9213460E85941
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
Verdict:
Suspicious activity
Analysis date:
2021-10-12 17:36:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/381c0d03-7190-4954-a551-490e38c2efdb

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/197210/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.2433.30092.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6166ceb79fb4d8593d6396a8/reports/f59a2afd-b158-4a8a-8ffe-06f20c8dae6c/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/1cebc957-13a1-42c0-a324-fc925d0161b1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869597
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 502021 Sample: document de commande.scr Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 8 other signatures 2->43 10 document de commande.exe 3 2->10         started        process3 file4 27 C:\Users\...\document de commande.exe.log, ASCII 10->27 dropped 13 document de commande.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.casaruralesgranada.com 217.160.0.186, 49853, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->29 31 www.gaiaseyephotography.com 16->31 33 www.ecshopdemo.com 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 chkdsk.exe 16->20         started        signatures9 process10 signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 09:42:45 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yff2ear7rhofpxyvo2ioiaccxcyjbedck7czw3sygszcclgtcqxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2b1539eebb7c85895026ddcd1e0b062c0d9783d90c7f86236f64f42c2e8d81ea
Formbook
336a2648e0811ebd11a94bb59c5cd5ea06ff48485f734ce149a3f9f9a7e0c7f4
Formbook
359ecb05de93b2ccc31cc15d249ef69a564d2f2e63d925126a6d784ef224766b
Formbook
6d725aa4c3dd38bc7f924af4891b82a9c993e2db67765c72be42778a9c1b561a
Formbook
7351be6f0f343fff3cc33d3b70a75a1a1de3a5d4c9e74b9a4af32f14461f5de5
Formbook
9e13a5c939cf22a9d4b60631d6c397903095561e51a9aaaca44be3666abf75e5
Formbook
cb1140dd7751382a2d56c59755a2ff38b239805148af2d108cf4f1399ca0f753
Formbook
d54e341578828a215bbe78db4f2dc64a5388d4ce3bc7d6488f7bafb8c6b02d1c
Formbook
+ 10'414 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dn7r rat spyware stealer trojan
Link:
https://tria.ge/reports/211013-pg6pdsebb3/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yourherogarden.net/dn7r/
Unpacked files
SH256 hash:
37ded35a9642064abf77680a8001ed61ab3e44f02d087aa2c298dad5354c9d09
MD5 hash:
69c5fa95dad7d3f16e220f9a83ab67ab
SHA1 hash:
4891df071dcb5f455770a9b51dcaa56931ba8811
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/37dde2d8-c6bc-4b3d-b27c-e724e93cf5ab/
Parent samples :
bbedcbe77cff074e73d9265b5cd4dfaba57b573065b1cb36e7944880a54239e9
218a43f5f1a1bb3a7974fe8fd0532829b1b858dec3c8d6bc2a5835a6bb735321
9e13a5c939cf22a9d4b60631d6c397903095561e51a9aaaca44be3666abf75e5
d54e341578828a215bbe78db4f2dc64a5388d4ce3bc7d6488f7bafb8c6b02d1c
59202d95bbcb9a85624ae56b93adeecc94b476a0131fe4670b718439ae4da1c9
c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
SH256 hash:
7d3409d348e605e55e57f13bf7fe72305b64571d11cb4ee49aadefae194ec63d
MD5 hash:
0f9056515530fa9c1de82b2b5e9d81a8
SHA1 hash:
fbd60fadfa4c3ddf641b8b68ff6b267c2e81a7d2
Link:
https://www.unpac.me/results/37dde2d8-c6bc-4b3d-b27c-e724e93cf5ab/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/37dde2d8-c6bc-4b3d-b27c-e724e93cf5ab/
SH256 hash:
c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
MD5 hash:
1823dce627d29f5d4985501267f7ad9f
SHA1 hash:
1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
Link:
https://www.unpac.me/results/37dde2d8-c6bc-4b3d-b27c-e724e93cf5ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e

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 c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197210/

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