MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd. 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: 4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd
SHA3-384 hash: 8add8e3309c8266e5d4b1d5404a3b840da2bd22cd18dd62dea11a2d15b4f450806e945be276f70947a6d61e594a7ce78
SHA1 hash: b39682bf37348b71452222e280ce3fbd95999861
MD5 hash: e359ca482ac7422a5de9f1be8229c57b
humanhash: nevada-ink-charlie-beer
File name:SwiftMGN007762.Scan.pdf..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:703'488 bytes
First seen:2020-10-13 05:47:43 UTC
Last seen:2020-10-13 07:08:38 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:ffyvuxx+5fWR2IewF2SuyG/C6rtbaju2Bf1i209I0v1gD+McAPrU:HxabYF2D/C6Zbsm20yG8c3
Threatray 2'438 similar samples on MalwareBazaar
TLSH DFE4F13933C8AB06D76F1E78045261009FF1FF615753C6875DD42E6F2AEAE508AA2353
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp.itqb.unl.pt
Sending IP: 193.136.177.5
From: Jorge Cuevas <anasofia@itqb.unl.pt>
Subject: RE:RE:Swift/Pago
Attachment: SwiftMGN007762.Scan.pdf.rar (contains "SwiftMGN007762.Scan.pdf..exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70257/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.2980.20616.10791.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/489179
Signature
Initial sample is a PE file and has a suspicious name
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)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 297034 Sample: SwiftMGN007762.Scan.pdf..exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 31 www.chengbo.online 2->31 33 www.szzd.org 2->33 35 fo04.ddns.net 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 11 SwiftMGN007762.Scan.pdf..exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\SwiftMGN007762.Scan.pdf..exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 SwiftMGN007762.Scan.pdf..exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 paras.ltd 34.102.136.180, 49747, 80 GOOGLEUS United States 18->37 39 centric-d.com 34.98.99.30, 49743, 80 GOOGLEUS United States 18->39 41 3 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 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/4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd/
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 20:43:59 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j77lu4hdaxinorozuyh3rj4mypywdq76jjzxhqrqhpupbfkcnk6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
027ac6ef31767dd45a9261ab63758d5e6ca1b95a4cb3090a51017086e03935a9
Formbook
16de0aa2d02fae6460bb173c9104df4fa758343ab226aea79a3910dce19fa58e
Formbook
5962532a97c0efd1227d42aeddeacf09c0f8c8787e476e650d71ceed4ed52d97
Formbook
80a9f4ef9f226558954221ab49e2df9557a030d87946368bfb51e7440bd58d8b
Formbook
816581131b3f726da0cfef239111730e74f04e9015df6a519b92a7e0d6e2cd6a
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
ab8c3b31b7abfcd76554ac8640d5781860ba99d878fb128ed313c64eeef6e39d
Formbook
c61d5fa6c2a4f421767a7c793da96a0e8e88d482e078ef994f0a50bac73464f0
Formbook
d2b880fc3d1f874e31d23a37b38f75ceb1162c21ce895aec8dbec7f9c952f8f2
Formbook
fc0d990ef758b78feb650b93c761b3f0fe5daa30d1fbcc77a424eac49ca8cc4d
Formbook
+ 2'428 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201013-rwlhg9c4q6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.darkatnightgame.com/fgn/
Unpacked files
SH256 hash:
4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd
MD5 hash:
e359ca482ac7422a5de9f1be8229c57b
SHA1 hash:
b39682bf37348b71452222e280ce3fbd95999861
Link:
https://www.unpac.me/results/3ea1738e-70c9-426d-84df-86f41e52cfcf/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/3ea1738e-70c9-426d-84df-86f41e52cfcf/
SH256 hash:
49fbcc5efa64630014a0a1c535bdd05b8012b24d550fe93696f3862a6058d2b1
MD5 hash:
9ac719a78a99bfe902c8cd8380082027
SHA1 hash:
3cac1886491a2d1ba51fdd6644da5f1df8865073
Link:
https://www.unpac.me/results/3ea1738e-70c9-426d-84df-86f41e52cfcf/
SH256 hash:
a684955f73269a9673a8c68c72fb5c5adab24ff899c6c6e533fad5b316590a06
MD5 hash:
3e8dc7c76d695b345cf0ea73a1105719
SHA1 hash:
c3fda2969bbc6cf4af890e8626568c03083adbdf
Link:
https://www.unpac.me/results/3ea1738e-70c9-426d-84df-86f41e52cfcf/
SH256 hash:
ea40b4c489ae8a15845588abdfc86ac773e0fd414f8776a47c247a075d14ee04
MD5 hash:
ede37755372a928134c272aaff0d5773
SHA1 hash:
bb20b39a34e4a4d63d31c39cc158f0c9b1fdf5eb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3ea1738e-70c9-426d-84df-86f41e52cfcf/
Parent samples :
f9b5791e5556abf20bf540734de904ea4a0508005071f43531a1347f7fdcce08
fc0d990ef758b78feb650b93c761b3f0fe5daa30d1fbcc77a424eac49ca8cc4d
c61d5fa6c2a4f421767a7c793da96a0e8e88d482e078ef994f0a50bac73464f0
ab8c3b31b7abfcd76554ac8640d5781860ba99d878fb128ed313c64eeef6e39d
4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd
cc0807a29f920ca94099399975ae3d52b741d6f1387ea3fb26c44b1bc22cd95c
aa7140aa9e404fcab5e45ba552de89669da4446c6a3474f307def1a75a3d37e0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd

File information

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

Malspam

Formbook

rar e0ab6b6e8e5b68ee0d30bfddd61f3a64ceab2e67386a44e37658652bdc74f30f

Formbook

Executable exe 4ffeba70e305d0d745d9a60fb8a78cc3f161c3fe4a7373c2303be8f095426abd

(this sample)

  
Dropped by
MD5 3892e9ae13ca03fad4eea63629d1c2bf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70257/
  
Dropped by
SHA256 e0ab6b6e8e5b68ee0d30bfddd61f3a64ceab2e67386a44e37658652bdc74f30f

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