MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb
SHA3-384 hash: 8809e085cb853a9b5993fd2071afe0fedd18705ebd698cf366e8f133be07cbf9cf1cafb4261c6719b197548bfe026eaf
SHA1 hash: 862b888918768de7561cd5b0f791f34c0249b410
MD5 hash: bb0fc8e8563833cc3ade3a114541dc09
humanhash: network-bulldog-lactose-rugby
File name:DHL_AWB_45000289001.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:602'624 bytes
First seen:2023-08-17 18:23:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:s0Dl+C42xjW9ZFxcFBA1nP2IeO9av/3K2ClKJEYHb6Q:lWZnVPUO8v/a26fQ6
Threatray 3'585 similar samples on MalwareBazaar
TLSH T195D4220477A45A2FC53D47FC0951865613BC322A7971EB2CAF7A788F97A3B409B10F29
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon aaaae8c8e8e8aaaa (15 x AgentTesla, 6 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
258
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_AWB_45000289001.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-17 18:57:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b85b7880-fb55-416f-a070-1064fc363f06

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/443304/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

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
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6d8ec7c7-600a-43a2-9dd4-a6fd200495de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293153
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293153 Sample: DHL_AWB_45000289001.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 2 other signatures 2->43 9 DHL_AWB_45000289001.exe 3 2->9         started        process3 process4 11 DHL_AWB_45000289001.exe 9->11         started        signatures5 55 Maps a DLL or memory area into another process 11->55 57 Queues an APC in another process (thread injection) 11->57 14 oCgGKsUWyjMuRgWiKzNHUBGGss.exe 11->14 injected process6 signatures7 59 Sample uses process hollowing technique 14->59 17 colorcpl.exe 13 14->17         started        process8 dnsIp9 27 www.studyingmarx.com 17->27 29 www.gt6yzx.cfd 17->29 45 Tries to steal Mail credentials (via file / registry access) 17->45 47 Tries to harvest and steal browser information (history, passwords, etc) 17->47 49 Modifies the context of a thread in another process (thread injection) 17->49 51 Maps a DLL or memory area into another process 17->51 21 explorer.exe 1 1 17->21 injected 25 oCgGKsUWyjMuRgWiKzNHUBGGss.exe 17->25 injected signatures10 process11 dnsIp12 31 liftdetox-2023.com 162.241.61.94, 49782, 49783, 49784 UNIFIEDLAYER-AS-1US United States 21->31 33 www.studyingmarx.com 45.207.200.212, 80 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 21->33 35 9 other IPs or domains 21->35 53 System process connects to network (likely due to code injection or exploit) 21->53 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-16 09:23:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug2hpsmrug4luy3t4dd26ld22vzum4hkx762opsfpaa6dohmr65q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
131c69adaff732d878e0396149be53da15e8e155daafe995259385c6c28f605b
Formbook
22976d85639b00522de9050cb1178a85e14f7ebfa744a55383e4a56cdb21873f
Formbook
2b33fca6ad1c4aeccf99eb4fd10ebdd20a00e2889769a1cf34f18d905504d082
Formbook
50ecc3b01ef9acca243b41728e62bec369d80da286281895cf3c4aadd6a1e444
Formbook
55979041c0dde9e724da45ec9d88c717a18b0fb414adc96fce5387ce9b6e772b
Formbook
66e9b5aad3bc2d59cdabefdfeecff99d0e60fd9d65ae7cd60d8a8db80adf48cc
Formbook
8316df0c425a49849eaf0c55fac307ea3ac82efa3a83b3ea786fd63e8b38b909
Formbook
a36813a35722d441ec430098be1f72cde0fb40c561ea21b858ba7c10516d62e4
Formbook
ccc8ed7866ebf89380c45861e50f095db3acf900fa4cf797e1a5de78cf6051aa
Formbook
d54197de152cea04b823618588d90e7462b78e11602a9eb5c425ce8db7057a80
Formbook
+ 3'575 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230817-w12ccadf2y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
7730ae17d9d094aff519f1ac8773cc626649d4f5cb207f761f4d149b82dc0487
MD5 hash:
1d8af0632a56700f4b2059357ce10512
SHA1 hash:
c704dcd56d5a56b765c4c6a0e4104ba5907fb0ff
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
Parent samples :
a36813a35722d441ec430098be1f72cde0fb40c561ea21b858ba7c10516d62e4
22976d85639b00522de9050cb1178a85e14f7ebfa744a55383e4a56cdb21873f
a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb
SH256 hash:
c584d64074b1eab58528dbc721935cfbe7badb78ba7c5d6256672b930482899c
MD5 hash:
8b5e647756c43148994949e762bf1c79
SHA1 hash:
7dfa33663944849e9bb7f512462aa6a6c5805253
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
SH256 hash:
7285647a9c48bf33a3d494a6b22c044f698be67057c0ab651ab4f886bb458aa2
MD5 hash:
8c8a4db3e9b1551db976869379398ee8
SHA1 hash:
263dd30767e1b14b991dcd9c81d3ad0bcc0cf6d6
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
SH256 hash:
a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb
MD5 hash:
bb0fc8e8563833cc3ade3a114541dc09
SHA1 hash:
862b888918768de7561cd5b0f791f34c0249b410
Link:
https://www.unpac.me/results/fc9aadcb-0523-4b55-8710-2ea3d3b53a65/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb

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 a1b477c991a1b8ba6373e0c7af2c7ad5734670eabffda73e457801e1b8ec8fbb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443304/

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