MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0
SHA3-384 hash: 3058e5fddedb39f72253c337bad61685a13cd1c1f3db06d6a77a22567202bd57a4767b862205f7d1317798e0c2994fe0
SHA1 hash: b082cd26fa28f734ec45e1b4c07e94a8b14a0dba
MD5 hash: 45507f2fc501c950d32fde8db5bddbe4
humanhash: lion-oscar-arkansas-bravo
File name:SAWR000148651.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'518'592 bytes
First seen:2020-12-24 09:20:58 UTC
Last seen:2020-12-26 06:12:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:MtB7+AsOFxz9E3dItEQAztofGbqIFClWw3TShX2WG6pWFxlPaUNFX2b7hofNzEOn:M3+As
Threatray 3'301 similar samples on MalwareBazaar
TLSH AF653C0249816CCBD7B2D090A34EC2D6B38795DCE7EA5FD4AE20E25532CC4B7EB69D41
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: dhl.com
Sending IP: 79.110.52.80
From: finansaltalepler@dhl.com
Subject: Your latest DHL invoice : SAWR000148651
Attachment: SAWR000148651.zip (contains "SAWR000148651.exe")

Intelligence

File Origin
# of uploads :
4
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SAWR000148651.exe
Verdict:
Malicious activity
Analysis date:
2020-12-24 09:22:53 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/860bc06b-a040-4c15-a28b-93d27f86e594

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/109317/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tz.9781.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/569687
Signature
.NET source code contains very large strings
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)
Multi AV Scanner detection for submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 333900 Sample: SAWR000148651.exe Startdate: 24/12/2020 Architecture: WINDOWS Score: 100 31 www.riveraspanishfoods.com 2->31 33 riveraspanishfoods.com 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 47 3 other signatures 2->47 11 SAWR000148651.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\SAWR000148651.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 SAWR000148651.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 35 riveraspanishfoods.com 34.102.136.180, 49750, 49757, 80 GOOGLEUS United States 18->35 37 signpartnerpro.com 192.169.223.13, 49755, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->37 39 6 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wscript.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2020-12-24 09:21:10 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54urq7rjmszckrefouh4r54bvuuincawout4fklva4vonz35z3ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
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Formbook
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Formbook
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Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
+ 3'291 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/201224-lrze92kd3e/
Behaviour
Enumerates system info in registry
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.ameeraglow.com/6bu2/
Unpacked files
SH256 hash:
713d5db85ec4f89abb0395276146bb92b1f45002043921b5940fe9b70cfe6045
MD5 hash:
838f9ebd8bbf502efa8097f6b18c7ccd
SHA1 hash:
dd955905ba4e6eed5ea186934c17477d70cb40f1
Link:
https://www.unpac.me/results/3bb3834f-45f5-4ba6-8b3d-fe4c74d87176/
SH256 hash:
ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0
MD5 hash:
45507f2fc501c950d32fde8db5bddbe4
SHA1 hash:
b082cd26fa28f734ec45e1b4c07e94a8b14a0dba
Link:
https://www.unpac.me/results/3bb3834f-45f5-4ba6-8b3d-fe4c74d87176/
SH256 hash:
e163d334ab9bb43e77863881f5eb5e470d4f5088cf005df4249413088ee94178
MD5 hash:
9187112926fca282101575c1f621831d
SHA1 hash:
5083c0bf28f0eea8420afc8bbfc6fbb3573acafd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3bb3834f-45f5-4ba6-8b3d-fe4c74d87176/
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/ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0

File information

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

Malspam

Formbook

zip 69587522b41b608cbafcf89f7670487f5056851776e63fa895e3dd317727d70f

Formbook

Executable exe ef29187e2964b2254485750fc8f781ad288688167527c2a975072ae6e77dcef0

(this sample)

  
Dropped by
MD5 a8f97ca3823d45e8122025722c5cc53d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/109317/
  
Dropped by
SHA256 69587522b41b608cbafcf89f7670487f5056851776e63fa895e3dd317727d70f

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