MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a
SHA3-384 hash: db52ab9075e225bb2e191196f4faf9eaec308b7ab98fb2ee62e3ed6f2a4b1adb9efabdd7c83c87d6d9f3c8c8975dc528
SHA1 hash: e1cf4a47da954565762310d856d9454ac6fdf1ce
MD5 hash: dfc50ba1caa7b380c83943554b211e37
humanhash: social-west-east-bravo
File name:F30AGnBthja6Ka2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:378'368 bytes
First seen:2021-10-20 22:48:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:E5MOaNXMzmrhzuV3PMS7zmH05InCKRApEfWs5YjMixRarBIMb5hJtv:E81uVXHRIm2+9waRarBbhtv
Threatray 10'748 similar samples on MalwareBazaar
TLSH T18F8412723164871EC23E0FB4C8A0526067FD219F6242F79E4F4971E62D4B3996726DB3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198927/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61709ce0db358dd15ec9fead/reports/7952fc53-4c07-4359-8b80-f653fa63a6e0/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/81f3fb01-bd33-4379-b249-1d8524d55cec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874239
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 506667 Sample: F30AGnBthja6Ka2.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 31 www.healthcareers.info 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 F30AGnBthja6Ka2.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\F30AGnBthja6Ka2.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 F30AGnBthja6Ka2.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.lm-safe-keepingtoyof4.xyz 150.95.255.38, 49838, 80 INTERQGMOInternetIncJP Japan 18->33 35 www.zhimapaike.com 107.186.149.246, 49802, 80 EGIHOSTINGUS United States 18->35 37 13 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 cscript.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 22:49:05 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wh5v3cuwewgdfnsgyawrejzejvhkah67p3glmplht456m2y3jna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
Formbook
2728dc98fdebc00823b877eba49ace782c17db8a07074634aafca9dc00277776
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
Formbook
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
de12f96f01168f625165bda83f4d556d00d6c473e61aa5c6f424aed07ae9cc04
Formbook
e862c2495e79b33c27fd00a29dda3c22df6796ff8aa7fc6294216a46668f9047
Formbook
+ 10'738 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n35q loader rat
Link:
https://tria.ge/reports/211020-2rnyjshfd9/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.24hr.online/n35q/
Unpacked files
SH256 hash:
cd99b89e8f3867575ffdc0759f87a883341dad84ded5cc04f45334755cb05ac7
MD5 hash:
be0dfbee84dd2aee7725c3b7d81f5367
SHA1 hash:
8241781ace2b359c488feea6aa046ceaff1294fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/cc43c3c3-66a2-4932-8dbd-da8098b6349d/
Parent samples :
dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a
624df197f011c71ac8afdaebfef7c1a6a598c5ad47c1bcbd70695ca858978de3
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
Link:
https://www.unpac.me/results/cc43c3c3-66a2-4932-8dbd-da8098b6349d/
SH256 hash:
5d3455097d8a25446126f17dfe60a2754485fd06f34d2a7794a3f6a871edeb1a
MD5 hash:
75aab767704fdc3678d961156bd8a327
SHA1 hash:
148e333e0f5092fab0f7696ba7fca6165954c6f2
Link:
https://www.unpac.me/results/cc43c3c3-66a2-4932-8dbd-da8098b6349d/
SH256 hash:
dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a
MD5 hash:
dfc50ba1caa7b380c83943554b211e37
SHA1 hash:
e1cf4a47da954565762310d856d9454ac6fdf1ce
Link:
https://www.unpac.me/results/cc43c3c3-66a2-4932-8dbd-da8098b6349d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe dd8fdaec54b12c6195b23601689139226a7500fefbf665b1eb3cf9df3358da5a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198927/

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