MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
SHA3-384 hash: f97b3c0cd799f19b2bb526f58346b696130ab55bdcb8f3e66676210709b1b24290816121f19952c0b4e520cee660f35a
SHA1 hash: 162ccf074b2646c5d9a8c06a96bf3c83b462b41c
MD5 hash: d3201c40a0a06d8d344f6c24258cfa3e
humanhash: solar-crazy-red-don
File name:Details.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'050'624 bytes
First seen:2020-12-28 08:01:11 UTC
Last seen:2020-12-28 09:28:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:t/1UH4JCfNdZoKUk2gD+NTe4TuKmmO85Z:RBJCmKUk1DUtCl+
Threatray 3'280 similar samples on MalwareBazaar
TLSH F5258C1A22545657E1683B749F29ED3403A06C3C6A91D7F8BDE83E4BBBF9A530433136
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sage.superdnssite.com
Sending IP: 184.154.31.115
From: Stormany Nylens <info@lyresidencesuite.com>
Reply-To: asqhopeland8@gmail.com
Subject: Re: Bookings
Attachment: Paymentreceipt.rar (contains "Details.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Details.exe
Verdict:
Malicious activity
Analysis date:
2020-12-28 08:08:43 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ddf058c6-62ea-4db6-a02a-291a921c42eb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Nanocore.23.27591.2864.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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/570596
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 334355 Sample: Details.exe Startdate: 28/12/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected AntiVM_3 2->40 42 4 other signatures 2->42 10 Details.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Details.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 Details.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.beautyroomgreenwich.com 217.160.0.135, 49769, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 brujoisaac.com 34.102.136.180, 49765, 49766, 49770 GOOGLEUS United States 17->32 34 7 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-28 06:04:23 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfwcr7gokcbawu7s45ejnf6o5qcsnqhgaboclrfc6mjlfteiekrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
Formbook
24a234c5f80a54172dd68022bc17dfaadb008e6c90dbac03991064860f20ea82
Formbook
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
Formbook
8ca4a5887d8506ae275cdc9d9ba89dab07e2997435435a1f0bd111f78ad0a382
Formbook
94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890
Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
cd3afb904bdbe5aa145aca40398017b76ef22f9fa85556c728f38744d57a3352
Formbook
d168997744867bbce4da90506b2182f4d015899bcddfd3924f234e739b9e7866
Formbook
e367a50fe019accad32ff683df2a06a9178ab2f9b7e2265b80089976c7f5d5dc
Formbook
f4674817122efc3526346a4de3f374c778b48d19f0d84bb13dd4199b0868357c
Formbook
+ 3'270 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/201228-nj62lnpy3j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.deuxus.com/t052/
Unpacked files
SH256 hash:
616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
MD5 hash:
d3201c40a0a06d8d344f6c24258cfa3e
SHA1 hash:
162ccf074b2646c5d9a8c06a96bf3c83b462b41c
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
SH256 hash:
c65f8d6823faf357b5f7179debe3bd5344ddb72b8d30d9504e0368d96507fe53
MD5 hash:
3a92646bc942deb554491142216ae073
SHA1 hash:
aea38cbb4fac36de961c1b489ad79578db02f14e
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
SH256 hash:
44106a7753790a12c522849b3f7da238337bd0342e5664021e25f79b2705ae9a
MD5 hash:
d43e8dcc8f8b23c144f820eaa9bdbee4
SHA1 hash:
41faa61eb543ac1386e59ef1e3c485a19458ff68
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
SH256 hash:
a4923b4331643cec565e73d04746725a9f87a238500d6b9001f31e6afc7badd2
MD5 hash:
013d9b635c0d44d6503e3289d630d810
SHA1 hash:
d1aebbc7e66906e19f5da6d1f8f914dd6d1255bb
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
SH256 hash:
c61fd2c0e3ff7c77c145583d0bc7292196a8a66607cec3732c324f34685beea1
MD5 hash:
96744e88a5ac061d3c0460499c980c08
SHA1 hash:
e2727e77b183b3f206549ff2cc01bb84189a0a7a
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
SH256 hash:
9231183674f234096d474027446c1803138f7b55d2e5fd616bd0f1cb12fecd37
MD5 hash:
1e95cc35de4a82e464f91fa77495d826
SHA1 hash:
9d48a0c66137f0e0575b80cff77a21d813acdb35
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0a90ed3-cbbc-4a31-af80-c33ce9f2b485/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

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

Malspam

Formbook

rar 7cbd627b8f24785bbe4b22282a973322c4692767b8baa6632439db7101b2f022

Formbook

Executable exe 616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3

(this sample)

  
Dropped by
MD5 98705731a7e0808e3e6a2cf0d5fd3f01
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7cbd627b8f24785bbe4b22282a973322c4692767b8baa6632439db7101b2f022

Comments