MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59c7c188cb5c6e77646b917c6be75aa8ae3a32adcba566a21d4061f3a17e0f39. 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 File information Comments

SHA256 hash: 59c7c188cb5c6e77646b917c6be75aa8ae3a32adcba566a21d4061f3a17e0f39
SHA3-384 hash: ffcff75ef365ec2c742fb9288d342e581b8b5c07a79c15e73f7e573da24de879c6ecfb7c988ff0666eb7b8cea9c10669
SHA1 hash: fa886bb6c2448ff31ad738585c6fff1900df3028
MD5 hash: 839479471405527c2783b6ad79c1bc40
humanhash: happy-nineteen-october-chicken
File name:839479471405527c2783b6ad79c1bc40.exe
Download: download sample
Signature Formbook
File size:610'816 bytes
First seen:2021-02-01 09:54:45 UTC
Last seen:2021-02-01 11:38:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:yiqDiq9Q7Hpgcv+CcgECa9TqcLl38NTguOM3ao5DOmq+:yD2TCcjcgahqMcv3ao1Om
Threatray 3'695 similar samples on MalwareBazaar
TLSH 9AD414C32D743F87D46A06B3BF54400D0E23B1C9AD128286CB965FE9DDEDAD6D931622
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8a080e9a96ab7d509367fb8052afa415.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-01 09:15:09 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 346646 Sample: 15t12mg4Jb.exe Startdate: 01/02/2021 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 6 other signatures 2->42 10 15t12mg4Jb.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\15t12mg4Jb.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 15t12mg4Jb.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 30 www.fallgus.com 103.224.182.242, 49768, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->30 32 mayanroofingsystems.com 77.72.0.126, 49763, 80 KRYSTALGR United Kingdom 17->32 34 8 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.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       
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-02-01 09:53:31 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theatomicshots.com/xle/
Unpacked files
SH256 hash:
59d0728f33e350c0e185e2ee7c17e7440e8b75672dd846379e827e437d62ae7f
MD5 hash:
29b4f469af841d6213694b4379d1e8c2
SHA1 hash:
b815a58f8c46e646f478e2862deac2e52e8b4728
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
SH256 hash:
1fa7ef7be1c4343628e13635a51011631905dd6727ca166da53c9c9765ffed8c
MD5 hash:
1d579806d94f4c43fcdd13baadeb1c32
SHA1 hash:
18b56c5c8da39428246f0d5f8e124bca9c29e032
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
59c7c188cb5c6e77646b917c6be75aa8ae3a32adcba566a21d4061f3a17e0f39
MD5 hash:
839479471405527c2783b6ad79c1bc40
SHA1 hash:
fa886bb6c2448ff31ad738585c6fff1900df3028
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 59c7c188cb5c6e77646b917c6be75aa8ae3a32adcba566a21d4061f3a17e0f39

(this sample)

  
Delivery method
Distributed via web download

Comments