MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7843636ab97a50224fd38ed1ea9267e9be81fbad14c6b0cb7bf4ed9acee0520c. 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
| SHA256 hash: | 7843636ab97a50224fd38ed1ea9267e9be81fbad14c6b0cb7bf4ed9acee0520c |
|---|---|
| SHA3-384 hash: | c46fc4af0acc726d01fe1a1b9e7687ec858c60b9b32f9ae6560179f1b44803ab4dab398eaa26e6bdc3e36905ae79ae51 |
| SHA1 hash: | 7873d2069649f3691bb688010ad76908917e2c9c |
| MD5 hash: | a3699c28f0868421d041f295534a8b87 |
| humanhash: | march-double-saturn-mexico |
| File name: | Purchase Order - 352072022-09-22.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 840'192 bytes |
| First seen: | 2022-09-23 09:52:58 UTC |
| Last seen: | 2022-09-23 10:50:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:zulOykBh13aBHvJ4j8gSce0EDd5sqNl0ciQInqmZleGZcudP:ikleHv3Rc9Eh5sq3hiQhmZhZ |
| TLSH | T1A605D022DBEA0F47D01163B88490C1B557AAEF15E43EC2476EEA7C9FB0767919221F07 |
| 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 :
2
# of downloads :
375
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
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
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-23 04:49:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 40 (50.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:vez2 rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c58806a0b5e8d4f2e9115a5d4dc1791a4530318f24ac925c89eed4748440cf9c
MD5 hash:
e2246327d2207d9eb5d2deef0f3feb2e
SHA1 hash:
9a6075dcea253f4432a60cd9627c9cee75c0ed67
Detections:
XLoader
win_formbook_auto
win_formbook_g0
SH256 hash:
048e7b0ab25e68564215c6ce693567d8858520678dea9fc2e4a7b0e8f3cce68f
MD5 hash:
28a32641b71f3a4f7ad1b550e1005925
SHA1 hash:
0acb9a722d61f661647049fdcfaa6e1af00d4d54
SH256 hash:
0105b73a745b7d0cb6493b3d476d07523418371fddc99f3a41e894d64c0f3eff
MD5 hash:
538518805aba9f10934bf5dc0b5b725b
SHA1 hash:
87d0137902d6ca97d2314f01a4094ed10864f01b
SH256 hash:
3ab579a05eb57ef777cac3595239fea8bd78403d2384d27fb23c35ba55cc53f1
MD5 hash:
d6e986f9b9fddd496f29b8026abb3bde
SHA1 hash:
7ddf7a94bd2ffedeb6274e047e0f6694f36c4df7
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
7843636ab97a50224fd38ed1ea9267e9be81fbad14c6b0cb7bf4ed9acee0520c
MD5 hash:
a3699c28f0868421d041f295534a8b87
SHA1 hash:
7873d2069649f3691bb688010ad76908917e2c9c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | RansomwareTest4 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | RansomwareTest5 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | RansomwareTest7 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| 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
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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