MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080
SHA3-384 hash: 9f9bcbec5d581a0b287486c0f8b77a00fabea7abb93a9c6d72bbb016aac7ceb1eb5b05b028d5da9b4c8cfbda6c563dee
SHA1 hash: 38e76942a779e8b04cdf763cf993ceda76d049f2
MD5 hash: 4577c41fc896a87df4513f13d29ee65a
humanhash: robert-mike-xray-muppet
File name:PO-003785GMHN.exe
Download: download sample
Signature Formbook
File size:1'009'152 bytes
First seen:2021-09-27 16:26:07 UTC
Last seen:2021-09-28 05:57:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7485e319df85e87afca01bdc77d12961 (9 x RemcosRAT, 3 x Formbook, 2 x Loki)
ssdeep 24576:L5A8SqIkJpbDpQc6ScVHdgaHxA7VhLRYF:Lr5ZoHdgaRyzKF
Threatray 8'234 similar samples on MalwareBazaar
TLSH T14E25B0637B820BB7D3FA173C8C2B6FEEA135BE00661D44475E989E158E391812D7C693
File icon (PE):PE icon
dhash icon d6e6c45673d96861 (12 x RemcosRAT, 3 x Formbook)
Reporter @GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
169
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
ID:
1
File name:
PO-003785GMHN.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 16:26:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491604 Sample: PO-003785GMHN.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->65 67 3 other signatures 2->67 8 PO-003785GMHN.exe 1 22 2->8         started        13 Udffvxu.exe 13 2->13         started        15 Udffvxu.exe 14 2->15         started        process3 dnsIp4 55 maxvilletruck.com 64.33.128.70, 443, 49743, 49744 AIRSTREAMCOMM-NETUS United States 8->55 53 C:\Users\Public\Libraries\...\Udffvxu.exe, PE32 8->53 dropped 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 Creates a thread in another existing process (thread injection) 8->73 17 cmd.exe 1 8->17         started        20 cmd.exe 1 8->20         started        22 DpiScaling.exe 8->22         started        75 Multi AV Scanner detection for dropped file 13->75 24 mobsync.exe 13->24         started        26 secinit.exe 15->26         started        file5 signatures6 process7 signatures8 57 Uses cmd line tools excessively to alter registry or file data 17->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 17->59 28 cmd.exe 1 17->28         started        31 conhost.exe 17->31         started        33 reg.exe 1 20->33         started        35 conhost.exe 20->35         started        37 WerFault.exe 23 9 22->37         started        39 WerFault.exe 10 24->39         started        41 WerFault.exe 26->41         started        process9 signatures10 77 Uses cmd line tools excessively to alter registry or file data 28->77 43 conhost.exe 28->43         started        45 reg.exe 1 1 28->45         started        47 schtasks.exe 1 28->47         started        49 reg.exe 1 28->49         started        51 conhost.exe 33->51         started        process11
Threat name:
Win32.Downloader.FormBook
Status:
Malicious
First seen:
2021-09-27 16:27:08 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  3/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:8iwd loader persistence rat
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.serpascarnes.com/8iwd/
Unpacked files
SH256 hash:
18d5f2bb4c00c8e6fb62f43bc3878c615b600ec26bc25b98204cc2e945cd175a
MD5 hash:
b0d9d156b07f2199b3334fc6564c133d
SHA1 hash:
0c39614273b857121740e0142d1d9809de8bc41b
Parent samples :
b400601e35e72a20ca4a0fb19af7a93ddeddcd568674232cabb6c1e05ce4fd07
a643235802bd118331000b4a251952815382078dd0aaaded76e4a8890bbac5f6
33b01cf0eb422d872201670e34b732f76c980ae7ccb016068438272ed426a50b
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
a97b00620e1e8ef9ef5c5f922f5b40ecf698504402d3e14979701c330bef7b56
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
1e54beecbd654f17bab2c6f883ea089943d68ae3e49aaea079182173dc203297
a0703367806de16bac9c75c016780c0bf3b1d8c21cf7f51b6a47b6a1aba74999
1ed62fd139d5efe1cb2650f52cf405d615dc19dae62744df9fb364cd1970a4bc
ffb6236e6dd03ba2599326f3d83d2ffabf8ab18902f1865aa0a68f1881e31978
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
8f1eefd14608fae865576d9f7a24be116eb9d8dcebf89c954e2e645b06174c4e
f86258665b68d70e83397ac4ef17598c552b994dd13f26b8208c4d40b8e94816
ed78db064dfb4ae791498b2d08410a69bdad684ff709319d179c2383dd8e2f1c
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
d86532a631143032da8dd4e4fd86cbaed87777ef2ede4a60377d534cb9ea7271
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
ffb0bd5cf5a1716fa50f01a4b4fd98d396842c7c263d3ce03623748430b30a93
a2067e35b12b83ddae55145931870302de477b5ccce82a5e86ea7bf8e057d8d7
a2539269c2b9200d7baed9f0dfc25b59fd4713a641d79fd9bd13272c7e1296ca
0aff281c192e919ce8a4e2091a058aa3c8fab2379dd50d7dd7ac7217af4dc838
cc8b096d71a4734e17e6f1bcf10d9730e5a2b3ab15b7e89852a4cdd204563d29
1e24e03e9ffdbe39ca8d357d0130aff5c50f2ddd7b2f613ab9dc01f02d0527d3
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
SH256 hash:
144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080
MD5 hash:
4577c41fc896a87df4513f13d29ee65a
SHA1 hash:
38e76942a779e8b04cdf763cf993ceda76d049f2

File information


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

Malspam

Formbook

Executable exe 144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments