MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af
SHA3-384 hash: 72b22c0b25c4ca121b2ea82903618a964501240530b797cbd9320a0e5f4eaa81e0bec9bb3084eb9ac9552717ffa94cdb
SHA1 hash: 60e7ea91da5b8b0f413ea386ff8a4356a1b0311f
MD5 hash: 547cc8a8beb284f8b2ccee851ac5fbe2
humanhash: cola-quebec-rugby-robin
File name:INV-DHL001289928.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:469'165 bytes
First seen:2022-03-02 07:25:28 UTC
Last seen:2022-03-04 20:29:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:nGiSY4AlPLeFeXyNAt1FrltBqfDHxF6QWrGeWFwwGflRV/jD6TK6vCxH7Cyj:n4Ahe3AhIDxF6bCR+nVrD6SxV
Threatray 13'827 similar samples on MalwareBazaar
TLSH T193A4D0B1A65D9560D89B967EF522B453B737ED3FA8707409225AB2231E73FE200D1B03
File icon (PE):PE icon
dhash icon 3025253131393939 (1 x Formbook)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV-DHL001289928.exe
Verdict:
Malicious activity
Analysis date:
2022-03-02 02:41:24 UTC
Tags:
installer
Link:
https://app.any.run/tasks/6a0bcb2f-6d82-44ee-b323-88d37cd3873c

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/246137/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.184.24223.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/621f1c0fb94fb38cb43638f1/reports/42ccd63b-e18d-4c91-b220-b8c41409cf2c/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb72d88b-63e2-43b0-946d-5ee54f08c6ef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/948876
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581359 Sample: INV-DHL001289928.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 34 www.cn6.email 2->34 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 4 other signatures 2->52 12 INV-DHL001289928.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\zpzjeunxf.exe, PE32 12->32 dropped 15 zpzjeunxf.exe 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 zpzjeunxf.exe 15->18         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 18->38 40 Maps a DLL or memory area into another process 18->40 42 Sample uses process hollowing technique 18->42 44 Queues an APC in another process (thread injection) 18->44 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.nodet.icu 154.213.104.106, 49790, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 21->36 54 System process connects to network (likely due to code injection or exploit) 21->54 56 Uses netsh to modify the Windows network and firewall settings 21->56 25 netsh.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-02 02:57:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxzmkmtbzxr5opg7oi3thtjhzlwxrzr2uhuhrrjoiyivna4ngwxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0030293612e1420d3d979e1ae8eb222cc8bcd7e357e1e5c0c3121c6218fa35be
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
50771a013c968d61b8e3111da3cb205f1d8878031c63bdbaaddaa87308a3e290
Formbook
5cd0836a13fa804b548a110f168438da7dffd9c4fb5cc0036241f57bd7c5954d
Formbook
8426bc09e01e893337a5b15b947e6f176c1eb937768c70cd4c0526b0b710523a
Formbook
99dfa5a36a438daadbbfd9c087e5a005287e5a2b25668ba57a7e78d34b1c3b0b
Formbook
a00b8665cf484b38e9d12d40208001acd1b890250be4bbcc78807eeedf6c408d
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
ff3e94ded64b43f620ba549db99baa31abdd763209b60f7c9fc884b82cfac6d3
Formbook
+ 13'817 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cn31 rat spyware stealer trojan
Link:
https://tria.ge/reports/220302-h9jl1adgg4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
6750fe79914cf2f49b3f05fff98c59eb4b9c321d3991ce1e4e289d8ec4bcdf52
MD5 hash:
5cbc3eb0439bf90c4c7ffb3c2a4ecf1b
SHA1 hash:
8af2a9ad64e48280e3219744682a117ddc9bfd98
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c8309194-096f-4b9c-b2c3-c54273ed9359/
Parent samples :
d0ce91945a10abde8e7569759e78430c80fb8fa42589dfaccf565cf6895f8846
394e89d915d3fb185d741576cc322d02b4f58d6debf49f058ce8df91682782b4
c140031248f1bcd6ee445b1ccf588057a3b190c8ee4b8d891b58e2aa0561509b
042f30c975b4bd5dea77d4d2427497546cc03f0fd7db1ed8857279ed07180483
8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955
c0255201237bfaac3d1396aa62c0277631f9ccbae295de89e71b504a1373002a
7d1b7e5ead9dcfe4eaa8166f6311ec7943493a153794b4c72ed3a12b7b0097ca
2e7a567db14bc51dd7ada65fa05703ac681180c0c882cff55597c063ce72886b
1695b699725276e3c0927c741f905625bc89e6c3c2acd850f640ef47ea94a907
ee22052175ffaf0e2168c716ae3fc165305c2bbba68e753f0e7f037b5cd1b2d3
6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23
e267c90f997f2006197fa6cfc8c36255fbb2b317fba5fcf161dd18cfb9c0943f
f615fa5fe1c1b286b761e76e1946e3937c23895a6d3739ab54ae24e37252ff1d
1d9895e03278d784a5e0a253a67e85822f9915f8b0a137308785f47772be9bba
b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af
bfc133249036e3efb5f3dd112044b30f06b8cb03f636628bbb1ebac9cb1adda7
SH256 hash:
38121552adef5102b7be7af298afb9153437974bba660c9d42bc176256c7400a
MD5 hash:
b532d82a0f0c3572e788e8ed5db3693e
SHA1 hash:
68d2020076dcad7d616ce586debf1342f2232a22
Link:
https://www.unpac.me/results/c8309194-096f-4b9c-b2c3-c54273ed9359/
SH256 hash:
b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af
MD5 hash:
547cc8a8beb284f8b2ccee851ac5fbe2
SHA1 hash:
60e7ea91da5b8b0f413ea386ff8a4356a1b0311f
Link:
https://www.unpac.me/results/c8309194-096f-4b9c-b2c3-c54273ed9359/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b5f2c53261cd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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 b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/246137/

Comments