MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d
SHA3-384 hash: b9fc37ff9448e4c0f7429c8350d277cbd8c14d6c699698b13211945e167491063b57b86b48b8be4d004f6002c28f142c
SHA1 hash: d28b97bb29685705b0b38f3d955a0ddb33b414dc
MD5 hash: c343b0f63b6c4dc9d3f5dd7864f6edd6
humanhash: asparagus-table-december-early
File name:c343b0f63b6c4dc9d3f5dd7864f6edd6.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:978'432 bytes
First seen:2021-01-15 06:46:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:9YfFwBjHAlpaIqQbtfPB2NAq8SGYzWAkrKaElE9Yt9gusNqdPIh:9YfFwFgzarEfPB2N9NWAPllzt9g5c8
Threatray 3'443 similar samples on MalwareBazaar
TLSH AA259E7C277BBE4CD1791AB60EE1592707623D0624F8C61E0CD97ECA0576B402DA9EB3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c343b0f63b6c4dc9d3f5dd7864f6edd6.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-15 06:51:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d643c4b-b260-4fc3-ac2a-0a19410b122b

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/112157/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582156
Signature
.NET source code contains potential unpacker
Found malware configuration
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340115 Sample: z6qKV40n75.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected AntiVM_3 2->39 41 4 other signatures 2->41 10 z6qKV40n75.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 13 z6qKV40n75.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.liwedfg.com 91.195.241.137, 49768, 80 SEDO-ASDE Germany 16->27 29 www.clinicadosorriso.com 154.196.150.25, 49764, 80 HKMTC-AS-APHONGKONGMegalayerTechnologyCoLimitedHK Seychelles 16->29 31 4 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 msiexec.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 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/c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 06:47:07 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywhc2jc7tg2tuxkaa3cpdwvmqcc3mixovomvrjlw464cv2hihagq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3176528c561817095af859f4809a2091f8557f93c27a0fe32ee71c8fc3b71f33
Formbook
75f2a2a20e73b7e0c53d499b883a403c2b8cfbf17c5923d58e0167daa4c019c1
Formbook
a026f6e6988f126a35bb044b7215fa5fb20a41a3b3bac722bfb7f53e670cc0f4
Formbook
a078d966a3ac5a7ac639b01ba4d3230c7554d7d75e9e7f59dc35b623aec8dbda
Formbook
a9496e79f16e95df9b4cb8a19053cfdb6b776e1c9f3c56760a07360b83f93d74
Formbook
c383b5258941145e0402f4d3be4b2f0c19dbcb842f9d2954e1acf8806a1b9800
Formbook
c3d490568e73f61c86d2d4c01e170bdcf3c0d3eb5e309ff3d3fb808a4a867a54
Formbook
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
Formbook
d809df216f28368e1bc3de96702139476f8f2364d2d6e82dec7a540815bc83c0
Formbook
fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
Formbook
+ 3'433 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/210115-2m7j82nsr2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bytecommunication.com/aky/
Unpacked files
SH256 hash:
0886cb189a2501ed59a473228a47d17fb6b4e29f810bf3c7e995c82ecba4fc69
MD5 hash:
2ce3b24c2b9360453d217ca2c117d66f
SHA1 hash:
fa4b14d19c125b17ab197706a27e8ebd709bae1b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e1949190-98aa-4755-990d-70d5039dd995/
Parent samples :
c383b5258941145e0402f4d3be4b2f0c19dbcb842f9d2954e1acf8806a1b9800
fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
30dd3160b2a93b2b20726e2707ad4781b8e6e3802865fc1f0582a3b9eb1644e0
c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d
cf18069218b5b834227fa33133f629f24be9c582eeb0caaf0d7641520b1d9748
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682
02c0281a3070fbfa697f994301423a453091101f4c1c174360352e52e910642f
689ffe9ea264100eb4d4cac903a987565546976883721729f99ac40c049998e0
d8b5647390a41edddb0e0f20479a7723bf337ff86784335bb24decdb2a220a26
f730752f0004b350ae3feabc65cad92908079f4ced927cf320228621eec9bac8
6133a328e01379d6e45f954db62359ec9217b220a1e359253dd479bce7905b19
SH256 hash:
d2d27e35fbbcec13adf7634c6c0c345afa293a65ea505ff64626a2e6ea6af570
MD5 hash:
d2fed8ac628cf8a4a94be5e968a8d99a
SHA1 hash:
ffa8a9a82911eee6304091a59e8833155e3b1b24
Link:
https://www.unpac.me/results/e1949190-98aa-4755-990d-70d5039dd995/
SH256 hash:
7654ad9e67599d376ad77c7b23273fd334f0ea8c07394dd17d72fcc90a0b0b6f
MD5 hash:
f40a2d4ae8e4d031f0e7ff0caf28ebbf
SHA1 hash:
99e874b66617bcd9566db86de732c3fb55f5a6b0
Link:
https://www.unpac.me/results/e1949190-98aa-4755-990d-70d5039dd995/
SH256 hash:
c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d
MD5 hash:
c343b0f63b6c4dc9d3f5dd7864f6edd6
SHA1 hash:
d28b97bb29685705b0b38f3d955a0ddb33b414dc
Link:
https://www.unpac.me/results/e1949190-98aa-4755-990d-70d5039dd995/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d

File information

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

Web download

Formbook

Executable exe c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/959945/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112157/

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