MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76. 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: a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76
SHA3-384 hash: 1e63b04d5ed8bbaefca4a5d00ced2927e3f715b7cb97ad10d857dbdf800b4b35655fd0d5a583d99a55fbe66023e9cc29
SHA1 hash: eac3f14c65a9bbda8d224621887b8d7943945623
MD5 hash: aef72004cd0a3947a261900275d6c7fd
humanhash: seven-muppet-idaho-kilo
File name:PAYMENTSWIFT COPY.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:246'055 bytes
First seen:2021-03-08 06:04:35 UTC
Last seen:2021-03-10 01:44:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:l8LxBjdyg87TWVKKihP8UQoSmdOBM2gpi1o4Ztv9GLyzzdDG:0p8+VGZ9Vd6bOi1r8L+tG
Threatray 4'147 similar samples on MalwareBazaar
TLSH B434121541D0C8F6D2C6C6F24879357AF7BADC009202AA434BEC1D7B26991CBD35EB1B
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENTSWIFT COPY.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-03-08 06:08:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f2f39a9b-a1d8-4875-85c0-275b8ede4af1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Agent.FDTO.20839.31920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/630875
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
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 virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364410 Sample: PAYMENTSWIFT COPY.PDF.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 13 other signatures 2->44 10 PAYMENTSWIFT COPY.PDF.exe 11 2->10         started        process3 file4 30 C:\Users\user\AppData\...\pro91asd0bxlxj.dll, PE32 10->30 dropped 54 Maps a DLL or memory area into another process 10->54 14 PAYMENTSWIFT COPY.PDF.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 32 shops.myshopify.com 23.227.38.74, 49760, 80 CLOUDFLARENETUS Canada 17->32 34 www.hnqiwei.com 107.160.235.10, 49763, 80 AS40676US United States 17->34 36 5 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 msdt.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2021-03-04 01:27:38 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upuixin2jpy2gbzv7l7sg2xtdbvr6o7mtowgbfoazrlzxi3ydr3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
+ 4'137 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/210308-ev8qynbng2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.detanglerinfo.com/tboh/
Unpacked files
SH256 hash:
f8d639e7ac396a91b70c00910da49ff3bd2c431d7426c171c4c685f033e48f44
MD5 hash:
0f09e0df286ebf447d8e251af5f87fca
SHA1 hash:
95dd9ee5de5855cd3206f15b9085b8b1e6aaf844
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/300f994d-e3f6-4594-84c4-e6f479eb6b6e/
SH256 hash:
1748509c449ecd597d071a51afd20b2cd074ab4fc4173fd59eeae7a7b0e3d850
MD5 hash:
80cb982356387f11345faeee08e58ad0
SHA1 hash:
ce5e277f82531bd2b32bd02cc2abef63d7e407b0
Link:
https://www.unpac.me/results/300f994d-e3f6-4594-84c4-e6f479eb6b6e/
SH256 hash:
a827cb0fb37320925cc81e1f8c5df04c3f0749d0447b4e59045850a7d38c4818
MD5 hash:
c978e4ebf657fadc61b9cd59d1983111
SHA1 hash:
8ca125541bd30716b667eee185e492212844383b
Link:
https://www.unpac.me/results/300f994d-e3f6-4594-84c4-e6f479eb6b6e/
SH256 hash:
a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76
MD5 hash:
aef72004cd0a3947a261900275d6c7fd
SHA1 hash:
eac3f14c65a9bbda8d224621887b8d7943945623
Link:
https://www.unpac.me/results/300f994d-e3f6-4594-84c4-e6f479eb6b6e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip cb7bbfb60d6466fa00a35ad170fc932f139ca97719b2317d97ad08355ff59c6a

Formbook

Executable exe a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76

(this sample)

  
Dropped by
MD5 cebe08264cacbb87380911c71d554e09
  
Dropped by
SHA256 cb7bbfb60d6466fa00a35ad170fc932f139ca97719b2317d97ad08355ff59c6a
  
Delivery method
Distributed via e-mail attachment

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