MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279
SHA3-384 hash: f005d23b2b1943b5bfe15f039c88ea90bb00ab9ae00165c406ef6f92f5644ca0e691d07667969a66f92b269e3f393371
SHA1 hash: 5c8a0132528477da076ab24f1bf88bdb9f2faeb6
MD5 hash: 46398b3bfed1b6e8944ddf8d15a34a02
humanhash: king-burger-mexico-whiskey
File name:SHIPPING DOCUMENTS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:397'825 bytes
First seen:2021-03-30 06:26:57 UTC
Last seen:2021-03-30 08:11:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:3APrvQziDrQUj/5sMuFX8TatK4QrQ0VaMCf5S0FDWZL4XIIfkYtI6c:gQ27/ufFMTZrTVTa4iytKIInI6c
Threatray 4'449 similar samples on MalwareBazaar
TLSH 0E846A41B6B8C912C4350F30CBE2D6265E369F077A2277DFE26872493B72AB59B151CC
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: 126.com
Sending IP: 45.137.22.138
From: Cherry <zamy0001@126.com>
Subject: Marine Open Policy No. MP/O/10/000116/11/2020/DT, CMIC Chloride - 6000 Kgs. against L/C No. LC/99/082/3087
Attachment: SHIPPING DOCUMENTS.gz (contains "SHIPPING DOCUMENTS.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING DOCUMENTS.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 06:31:51 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/df94256f-45f8-45c4-8544-0f956887f977

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/127905/
Detection(s):
Win.Trojan.Generic-9848208-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Launching the process to change network settings
Launching cmd.exe command interpreter
Sending a UDP request
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3788c59-bcab-4ed4-811c-b4a700d2866f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/658013
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
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: CMSTP Execution Process Creation
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 377935 Sample: SHIPPING DOCUMENTS.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 10 other signatures 2->42 10 SHIPPING DOCUMENTS.exe 11 2->10         started        process3 file4 28 C:\Users\user\AppData\...\i4br347wau.dll, PE32 10->28 dropped 52 Maps a DLL or memory area into another process 10->52 14 SHIPPING DOCUMENTS.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.packtmall.com 173.234.175.143, 49729, 80 LEASEWEB-USA-LAX-11US United States 17->30 32 www.thepowersinyou.com 66.96.162.131, 49731, 80 BIZLAND-SDUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279/
Threat name:
Win32.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 22:47:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rla7ygjwpbq7hj2j3aatad2vifeog2qorjhuztr4lu7e3zb6ij4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
4ce173da12efcf686dd4a7fec6678fc6c0e2cae352a3dd327bdfa478c18589e4
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
Formbook
988d84650b91424e291cb84ef84433cbd4214622365b226d925d71ffda0bccb8
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
+ 4'439 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/210330-b3epe495e2/
Behaviour
Gathers network information
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.middlehambooks.com/klf/
Unpacked files
SH256 hash:
9cfc0febd048e3d8b1ad5c168d6ec1d102f8dfc615eb82d370e0a560a4b2548a
MD5 hash:
2d6367c2f6018f16900afb6a25adee1a
SHA1 hash:
fea821944a862b2a4f9ede4141fa19bcefa7aab7
Link:
https://www.unpac.me/results/c8adb424-2737-4a45-93bc-051ee91dd48d/
SH256 hash:
1f35bb6728237483c779005fc227e69fef51b0bafd32d15855d483948a337078
MD5 hash:
eef9e469e8a30717974499f277d97e2a
SHA1 hash:
2d33c25984ebd9116beeb55cdde4c5c86c023e5d
Link:
https://www.unpac.me/results/c8adb424-2737-4a45-93bc-051ee91dd48d/
SH256 hash:
8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279
MD5 hash:
46398b3bfed1b6e8944ddf8d15a34a02
SHA1 hash:
5c8a0132528477da076ab24f1bf88bdb9f2faeb6
Link:
https://www.unpac.me/results/c8adb424-2737-4a45-93bc-051ee91dd48d/
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/8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279

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

gz 01d2c24c54fb1bb58da01982f6ee58a558e53ea94fabb7ae8fbdb04be54476d5

Formbook

Executable exe 8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279

(this sample)

  
Dropped by
MD5 6de77759b378fb8dce0601a589b77755
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/127905/
  
Dropped by
SHA256 01d2c24c54fb1bb58da01982f6ee58a558e53ea94fabb7ae8fbdb04be54476d5

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