MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f37548aa52109fbdf38ab248aadb6809eb3a677a15f6916883d9612cec4ffa86. 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: | f37548aa52109fbdf38ab248aadb6809eb3a677a15f6916883d9612cec4ffa86 |
|---|---|
| SHA3-384 hash: | 6118fa3cf0b5c5374e26920c41f8648fb620511b4c9f0ca3bb1824a731c95445e429b56b00eaf00c30f4f2df5d6db9ed |
| SHA1 hash: | d49e48696b22d76eb2071be8d1e27d0471c8b76c |
| MD5 hash: | 6e1fbcc9b8a012c6564b94a8b4c242fe |
| humanhash: | alpha-moon-summer-six |
| File name: | bunker inquiry_02022015.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 301'203 bytes |
| First seen: | 2022-02-15 08:17:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla) |
| ssdeep | 6144:owvRVTvYIyB4lrGiXarrRzbFguquTzXox2rf4It3dPHVfljJ8:V4WqV+tu/ox2rfRt3dP1f1J8 |
| Threatray | 13'303 similar samples on MalwareBazaar |
| TLSH | T1D254125E7DD49BF7CA1503315DB3CF2793B6B70802630B9BA3904E4FAD6A1A29125582 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-15 08:18:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'293 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:ciaz loader rat suricata
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
df87f745921a2f492e45d76cf7e74b886656a40649ac8d94a644196f7101d065
MD5 hash:
f0bc5f28b0fa7c0765f415614f05f89e
SHA1 hash:
eec083182c465bedf96b21de8ebf00acd50ff575
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
c6cedf9644c5367c4813d59c64811a39bbfdf8df99bcfe6af9ae812a700f565d
MD5 hash:
b9fc0472008bf663a3d92bbd7a07080e
SHA1 hash:
0528326eb7d480eadf61420348d777b66f0c9e99
SH256 hash:
f37548aa52109fbdf38ab248aadb6809eb3a677a15f6916883d9612cec4ffa86
MD5 hash:
6e1fbcc9b8a012c6564b94a8b4c242fe
SHA1 hash:
d49e48696b22d76eb2071be8d1e27d0471c8b76c
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
xloader
Delivery method
Distributed via e-mail attachment
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