MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59
SHA3-384 hash: da5f5fc0895bb8d78387d7f101dab8e375f1499236d18bc5ed4c440bd09da3438e753e966207082b2f21250883900c0e
SHA1 hash: 0be07f055edcfb6ee54aa4e52d6d4efc3b108fdd
MD5 hash: 28162044d6ae70b53bf03b90ff2f1b1a
humanhash: hot-thirteen-sixteen-uniform
File name:28162044d6ae70b53bf03b90ff2f1b1a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'125'888 bytes
First seen:2021-03-29 07:23:43 UTC
Last seen:2021-03-29 07:48:26 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:QkGQcepUcArH9YIc66eb2w+3cQpCfcvzOZ1EI2cBGOy15tUvROeCwAYg+Y:QL9J2w+rAcv+xXZy1HsRO9p
Threatray 4'363 similar samples on MalwareBazaar
TLSH D535394C5E98C2CAE2394BB891D9E49943F56EF38F22CC79BDD547CBC130B41E606626
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28162044d6ae70b53bf03b90ff2f1b1a.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-29 07:28:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/556908dd-5a5b-4a99-9f89-c8dea1a05071

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/127502/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.576.25448.22775.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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/1d2ad877-5fd7-4cf3-9b76-d441e4a29459
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656545
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 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 dnsIp2 2 Behavior Graph ID: 377204 Sample: rErRI1Ktbf.exe Startdate: 29/03/2021 Architecture: WINDOWS Score: 100 33 www.soundandsubstance.net 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 rErRI1Ktbf.exe 1 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\rErRI1Ktbf.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 rErRI1Ktbf.exe 11->15         started        18 rErRI1Ktbf.exe 11->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.traeespana.com 217.160.0.41, 49713, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->35 37 www.bangbroe.com 23.108.117.12, 49721, 80 LEASEWEB-USA-SFO-12US United States 20->37 39 2 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 colorcpl.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 07:24:06 UTC
AV detection:
12 of 48 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=itqcknp6kg4p3aahgkrysfh5vbeyp56lekvpaq553kqadajd3jmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
056548a367412a9b7fcb2d136d1c425ecfc2b0627de5d6842a5b79cee17d67dd
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
4ce173da12efcf686dd4a7fec6678fc6c0e2cae352a3dd327bdfa478c18589e4
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
d0b2bc00645de803a4e9df303539995ee8f781631684b04fe67ee7e01bcf9c21
Formbook
+ 4'353 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/210329-mssc8wa5lx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.farmingtonhillsmagazine.com/lhc/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/036ed3da-3670-4e6b-9ce1-5f0ff3a74834/
SH256 hash:
44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59
MD5 hash:
28162044d6ae70b53bf03b90ff2f1b1a
SHA1 hash:
0be07f055edcfb6ee54aa4e52d6d4efc3b108fdd
Link:
https://www.unpac.me/results/036ed3da-3670-4e6b-9ce1-5f0ff3a74834/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59

File information

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

Web download

Formbook

Executable exe 44e02535fe51b8fd800732a38914fda84987f7cb22aaf043bddaa0018123da59

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1093079/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/127502/

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