MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aae89af9bf54cc3d9659631b9438942f192239e50eba6da7918ebced50c700c5. 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

SHA256 hash: aae89af9bf54cc3d9659631b9438942f192239e50eba6da7918ebced50c700c5
SHA3-384 hash: 243f3404e05da07016605240235ed3ece3a9a4c5d8d509001bf3bf6eba950832e714aebd4bb5f61f6f188cdf45239351
SHA1 hash: 1e8b2344a0252db75e9a106111e89d844639cb62
MD5 hash: c0ca159ecfd86c426acfa99e7255f874
humanhash: eight-nuts-network-burger
File name:Purchase order.exe
Download: download sample
Signature Formbook
File size:905'728 bytes
First seen:2022-07-25 04:17:49 UTC
Last seen:2022-07-25 11:22:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 24576:oZhCCHtUwG8mHK4g+jWcdM1yLJKEDV3esBR:9CHywG8mHcc7d1LJrem
TLSH T11D15AD1067D8DF28F4BFAB7986E05055A7F6B503E326E59E7DE005CE0962F80CA16723
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-25 04:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Behaviour
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
Checks computer location settings
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
5711704f472bdee58e455cce2c4263e937f8615ab1b5235a830f7ae5864c1d93
MD5 hash:
6c7a7aac440314d142b2ee824bfe9abf
SHA1 hash:
ef7437e60e148bc0ebd259e77c996404ad33c836
SH256 hash:
aae89af9bf54cc3d9659631b9438942f192239e50eba6da7918ebced50c700c5
MD5 hash:
c0ca159ecfd86c426acfa99e7255f874
SHA1 hash:
1e8b2344a0252db75e9a106111e89d844639cb62
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 aae89af9bf54cc3d9659631b9438942f192239e50eba6da7918ebced50c700c5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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