MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be. 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: 20


Intelligence 20 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be
SHA3-384 hash: 93adb9149885008270568d79ed8414ca0a50efc3c7852825bb0edce2d8ac05c2af17462c89864a284fb7bad606e04a59
SHA1 hash: 62e430b53255a0b110a35f55d85660a98689dc9a
MD5 hash: 51701f0094f42047b6b5980347f35559
humanhash: carbon-early-minnesota-rugby
File name:SOA OF DECEMBER 2025.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:737'280 bytes
First seen:2026-01-07 06:07:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'650 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:za4ctN7IBWXWWQixA00E+ymwtq59puiZAeeHRrZOIppDLIpCmJxWmIheFc6:zaTrIuA00RX5yAAau1ExWm46
TLSH T1F1F40254121ADD02C0C15EB2A9B1E3B47B742EDBA9D2D293EFC57F9F743A7805941283
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8c280244-8d96-48c4-b7fa-8d6180b156e4/
Malware family:
n/a
ID:
1
File name:
SOA OF DECEMBER 2025.exe
Verdict:
No threats detected
Analysis date:
2026-01-07 06:07:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d73b6efc-5876-4b2f-b4bf-db0c79cdcd2b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48025/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695df815f50945831dfe30dd
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt packed
Link:
https://www.filescan.io/uploads/695df812afe828bbd315a8a7/reports/848fc3bb-f937-4d8c-850f-de2dc1efae29/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-07T02:40:00Z UTC
Last seen:
2026-01-09T04:35:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Spy.MSIL.Noon.gen Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb VHO:Backdoor.Win32.Agent.gen Trojan.Win32.Agent.sb HEUR:Trojan.MSIL.Injector.gen HEUR:Trojan.MSIL.Agent.gen Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70cf4171-c67c-4caa-8851-5c5bae84527e
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1845824
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1845824 Sample: SOA OF DECEMBER 2025.exe Startdate: 07/01/2026 Architecture: WINDOWS Score: 100 40 www.tq2xyj.info 2->40 42 www.torila.life 2->42 44 13 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 11 SOA OF DECEMBER 2025.exe 3 2->11         started        signatures3 process4 file5 38 C:\Users\...\SOA OF DECEMBER 2025.exe.log, ASCII 11->38 dropped 68 Injects a PE file into a foreign processes 11->68 15 SOA OF DECEMBER 2025.exe 11->15         started        18 SOA OF DECEMBER 2025.exe 11->18         started        20 SOA OF DECEMBER 2025.exe 11->20         started        22 SOA OF DECEMBER 2025.exe 11->22         started        signatures6 process7 signatures8 70 Maps a DLL or memory area into another process 15->70 24 hEEPx4fwPp.exe 15->24 injected process9 process10 26 msra.exe 13 24->26         started        signatures11 60 Tries to steal Mail credentials (via file / registry access) 26->60 62 Tries to harvest and steal browser information (history, passwords, etc) 26->62 64 Modifies the context of a thread in another process (thread injection) 26->64 66 4 other signatures 26->66 29 DrK5bE77Q.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 designbynord.com 81.169.145.92, 49707, 49708, 49709 STRATOSTRATOAGDE Germany 29->46 48 study.com 18.165.116.119, 49727, 49728, 49729 MIT-GATEWAYSUS United States 29->48 50 9 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Link:
https://app.malva.re/file/51701f0094f42047b6b5980347f35559
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-01-07 05:26:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=prrtxraautfzbse3kir7znkadxamycgaura3cg37w3oto5huuc7a._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260107-gvettsfp8t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/47c4df5b-66bd-48b4-83e9-2c675ec9a0c7
Unpacked files
SH256 hash:
7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be
MD5 hash:
51701f0094f42047b6b5980347f35559
SHA1 hash:
62e430b53255a0b110a35f55d85660a98689dc9a
Link:
https://www.unpac.me/results/31186664-f66e-4b3a-bdf3-cc1760a8790c/
SH256 hash:
f705bc429bb31da8c395272caa0fbf4b7e963c94dfdfd68159c0c263278aea69
MD5 hash:
4a8b432fb543490468a525ee1829cefc
SHA1 hash:
2d99f6248a8201084694b587ab1812f1e99b2cf6
Link:
https://www.unpac.me/results/31186664-f66e-4b3a-bdf3-cc1760a8790c/
SH256 hash:
dbcd914fa93064093fbfa08114fde7d5fcf09cbb18cdfda30ec5e5d874783c94
MD5 hash:
3c8281c8dadaf0d730e08a8e899c33b9
SHA1 hash:
5ac912343a99c64f055c0677a0c479be94472e4b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/31186664-f66e-4b3a-bdf3-cc1760a8790c/
SH256 hash:
9bd7b6f993657893e3d06eac033339afac6dda77e451f72e114f4ec19fb6b157
MD5 hash:
741fa4302597a591467265f02ded885b
SHA1 hash:
d3bb3f1a0f1172fbc23df1e60c9739d6927f5700
Link:
https://www.unpac.me/results/31186664-f66e-4b3a-bdf3-cc1760a8790c/
SH256 hash:
0cb5b7ff8e8c0f5237ba70ab51aaa0fb9f33e437fc6a5e9878af1192da450c37
MD5 hash:
c116ec5c7688d16265572bd9b21bc401
SHA1 hash:
a9b6764c5d13402b383fc47d82937f7ca4d84eeb
Link:
https://www.unpac.me/results/31186664-f66e-4b3a-bdf3-cc1760a8790c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c633bc400a4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 7c633bc400a4cb90c89b5223fcb5401dc0cc08c0a441b11b7fb6dd3774f4a0be

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48025/

Comments