MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
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SHA256 hash: 6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5
SHA3-384 hash: 5ec8d96bac6e2882e4a529ce51adf7fa754ec096d9169e348de458c0118f273aac5f02b3a04ec2ab70189915b3ebe056
SHA1 hash: 1091bd1b931a4d211464d4c641ea2e1b2077631e
MD5 hash: 478e902f1902171446249702a3ebeeac
humanhash: louisiana-rugby-uncle-cardinal
File name:sgEHWtGh7jkwIjB.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:675'840 bytes
First seen:2021-09-02 09:28:12 UTC
Last seen:2021-09-05 08:57:48 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 6144:tNUZh9hYFJLgGmuFzt98j1uZ+p3w9PFD/R0QG3eNz97GjNHkm1I/WVDGl1W4UYB6:teZhvIFIj1uZ0eNNJz9oH+p1Dnc
Threatray 8'882 similar samples on MalwareBazaar
TLSH T12DE40A3E19FE2327D176C7E5CBE08823F6D098AF3123A96567D747264316A4635C322E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sgEHWtGh7jkwIjB.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 09:30:01 UTC
Tags:
trojan formbook stealer covid19
Link:
https://app.any.run/tasks/903a1f69-a940-461b-9731-2c037ec9f01f

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/184720/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FKE.genEldorado.31515.22530.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/12a7c776-4bc1-4dae-923e-aac074ccfd61
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843902
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 476333 Sample: sgEHWtGh7jkwIjB.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 31 www.alberlet.site 2->31 33 www.leaderz.site 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 sgEHWtGh7jkwIjB.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\sgEHWtGh7jkwIjB.exe.log, ASCII 11->29 dropped 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 Injects a PE file into a foreign processes 11->61 15 MSBuild.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 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 transporterhellas.com 85.25.105.240, 49721, 80 GD-EMEA-DC-SXB1DE Germany 18->35 37 www.onehundredymq.com 208.91.197.46, 49716, 49723, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->37 39 12 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 mstsc.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/6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-02 08:29:33 UTC
AV detection:
6 of 43 (13.95%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=noeuemubwfoyfpjnvpjeu2gxugtxitaszixjkgit643bujy6gtsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
108cc18c30a306c9fcd29d6d587cee73e18ccabbda0cb669b513a22b300d3a1d
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
1de5c6b986a6401ba0490ccce78e8bf125d9604d07c4ad87a856a588f0aba6cb
Formbook
2af0658896a383b330189fc121c48dc390a90a1f1a61033326e01cb9e80465e9
Formbook
3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb
Formbook
3e23bf4937349c5f5cf233e30658562fca94d58790ebbe693e176fb595fb0b34
Formbook
5349c12829e9211379203cade48f7d00777a66b4cb898d68764da90890aae048
Formbook
59ced73cabf35385aaedb67d1b0cd813cc16f5f8e056add78cf50f3abc28351a
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
bb9ba507dcfe191724f459ded8009edfa46481b2e244827354116f1734a52a9c
Formbook
+ 8'872 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:p90g loader rat
Link:
https://tria.ge/reports/210902-47t32wx4bx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.homeofficecovid.com/p90g/
Unpacked files
SH256 hash:
2b888abea02a9b3b440a7b8938f4a3fad8ff2d1e351c6c967d687e9702d0413d
MD5 hash:
4222053c38d6fccf2b6b84274f12e15a
SHA1 hash:
fec32f51e14126ea316faaa5789dfa2e64f7cc03
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0961f8bc-9791-43cf-b707-9a78b12e5301/
Parent samples :
6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5
6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3
9b4f5703c5ab1e5e1ca54fbdf0412956a4738217a0c0cc4c2872090944dbee74
24b2084808676120ed7c9057e7d830c7d78b18c1fe01558c6f33e47ff6aeca79
661cafba8f1ca7c7b53b269699e86a6386ffb3649eacfd81d70f806552ca4164
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/0961f8bc-9791-43cf-b707-9a78b12e5301/
SH256 hash:
3d5e70e6e8d5bdbefb22c4014adba9fd4e342c42a39cfe4e77b38e70a2ba41ec
MD5 hash:
7e9ae964b4c11113e5956b7251ffe0c5
SHA1 hash:
8ff6dde923187a1c362302e3ef739ed98b202199
Link:
https://www.unpac.me/results/0961f8bc-9791-43cf-b707-9a78b12e5301/
SH256 hash:
6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5
MD5 hash:
478e902f1902171446249702a3ebeeac
SHA1 hash:
1091bd1b931a4d211464d4c641ea2e1b2077631e
Link:
https://www.unpac.me/results/0961f8bc-9791-43cf-b707-9a78b12e5301/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6b89423281b1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
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
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184720/

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