MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 177d82d6a53494bf58a577731d6a5c65118677114dedd45176b5d34a559cceb6. 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: 15
| SHA256 hash: | 177d82d6a53494bf58a577731d6a5c65118677114dedd45176b5d34a559cceb6 |
|---|---|
| SHA3-384 hash: | 2c5ebc55ea13785149b65d3dfc11f0985b1b973f4baeba980ab1407274ad4bb8b48189f374f6d9b19f0a6d33fe13c153 |
| SHA1 hash: | e9e8987fcf2abe3f22df4d60874c833a2c1710af |
| MD5 hash: | 1d8bee6c3d7b6c225566bc1e029fdeab |
| humanhash: | mars-quiet-steak-venus |
| File name: | Purchase order #110321.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 829'440 bytes |
| First seen: | 2021-11-03 04:45:34 UTC |
| Last seen: | 2021-11-03 07:13:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:0Lq+y6WoDyvl706xxxFiaW0lT7XY10yuF7EzqZkJtLTPx0:wqT6Wo80ExFBHXI10yuNNZkHbx0 |
| Threatray | 11'172 similar samples on MalwareBazaar |
| TLSH | T194055820F35D48C9C6FD3734CF25D1B017616C6A2A10CA2924F43DFBBABD61766316AA |
| File icon (PE): |  |
| dhash icon | e8e8e859ccf0b0f0 (11 x AgentTesla, 8 x Formbook, 4 x Loki) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order #110321.exe
Verdict:
Malicious activity
Analysis date:
2021-11-03 04:47:09 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
Tags:
obfuscated
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-03 04:46:08 UTC
AV detection:
7 of 44 (15.91%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'162 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:cr35 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.tllyou.com/cr35/
Unpacked files
SH256 hash:
2d96b7958904c0579e2cc69bc39cc4cee8d66476fcc47964bd7cef6996dc1667
MD5 hash:
a8a33d22dc1ca917d7a20d0497a5e303
SHA1 hash:
fb946053ce186c6c3574190f73d05fb40f7024e8
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
SH256 hash:
2cf83f72fe8eff0714aa7046f20477213ead9f62f47bf49e78061d5814229704
MD5 hash:
9ae50cad91de5e9cc4ec282574a37566
SHA1 hash:
32576ab669adb3d0cbf453c07489fa3c73b887c9
SH256 hash:
177d82d6a53494bf58a577731d6a5c65118677114dedd45176b5d34a559cceb6
MD5 hash:
1d8bee6c3d7b6c225566bc1e029fdeab
SHA1 hash:
e9e8987fcf2abe3f22df4d60874c833a2c1710af
Malware family:
FormBook
Verdict:
Malicious
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| 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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