formbook | 37cfb7fb31732401d50f7f17c28fbea5997ef4a7236ce89f37dc57675a76b23f

General

Target

12-4.exe
Size

1.4MB
MD5

86e9f171ca095286ac610deaf54c7667
SHA1

ea152559408d3ce06448b654fd9e79b843ad6975
SHA256

37cfb7fb31732401d50f7f17c28fbea5997ef4a7236ce89f37dc57675a76b23f
SHA512

7c1e51c851e03cd06ebe619b908e3eb133cc291d843909154067019b32ca9919a8323327d8f6527aa36be68630f3ed15dc5c1afa3b4c73157750916abe5f79f2

Score

10^/10

formbook modiloader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.leadershifts.academy/gwg/

Decoy

horne-construction.com

sailbayvolleyball.com

eyecareplusnj.com

iteups.com

longhuixiang.com

sticksnbites.com

wildeuk.com

toprankvehicles.com

hongkongcocktailweeks.com

mehysox.com

monogrammed.xyz

chateauboiseseniorliving.com

purplecherry.online

prashantenterprises.net

systemmigrationservices.com

317redwood.com

cerytefrehabilitacion.com

dontusecicdtestdotenfo50772.com

safeansecurity.com

bualepitso.site

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1316-6-0x0000000004CE0000-0x0000000004E20000-memory.dmp	formbook
behavioral2/memory/976-7-0x0000000000000000-mapping.dmp	formbook

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12-4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mswe = "C:\\Users\\Admin\\AppData\\Local\\ewsM.url"	12-4.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

12-4.exemstsc.exe

description	pid	process	target process
PID 1316 set thread context of 2352	1316	12-4.exe	Explorer.EXE
PID 976 set thread context of 2352	976	mstsc.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

12-4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	12-4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c000000010000000400000000080000090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	12-4.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

12-4.exemstsc.exe

pid	process
1316	12-4.exe
1316	12-4.exe
1316	12-4.exe
1316	12-4.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe
976	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

12-4.exemstsc.exe

pid process

1316 12-4.exe
1316 12-4.exe
1316 12-4.exe
976 mstsc.exe
976 mstsc.exe
976 mstsc.exe
976 mstsc.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

12-4.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	1316	12-4.exe
Token: SeShutdownPrivilege	2352	Explorer.EXE
Token: SeCreatePagefilePrivilege	2352	Explorer.EXE
Token: SeDebugPrivilege	976	mstsc.exe
Token: SeShutdownPrivilege	2352	Explorer.EXE
Token: SeCreatePagefilePrivilege	2352	Explorer.EXE
Token: SeShutdownPrivilege	2352	Explorer.EXE
Token: SeCreatePagefilePrivilege	2352	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2352 Explorer.EXE

pid	process
2352	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEmstsc.exe

description	pid	process	target process
PID 2352 wrote to memory of 976	2352	Explorer.EXE	mstsc.exe
PID 2352 wrote to memory of 976	2352	Explorer.EXE	mstsc.exe
PID 2352 wrote to memory of 976	2352	Explorer.EXE	mstsc.exe
PID 976 wrote to memory of 4020	976	mstsc.exe	Firefox.exe
PID 976 wrote to memory of 4020	976	mstsc.exe	Firefox.exe
PID 976 wrote to memory of 4020	976	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Local\Temp\12-4.exe
"C:\Users\Admin\AppData\Local\Temp\12-4.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1316

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Install Root Certificate

1

T1130

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\N08N9-4R\N08logim.jpeg
MD5
d573a31062f3bf60630a88b98a737780

SHA1
e67a58ec9ec503c006abd0aa247bac8f76b9a495

SHA256
5dc0de110e2a0291011376eb03598dc1b8a5978a6325fe7584f69dfc2f39fb5b

SHA512
93be68833cde8073a15809295ba8e977366da2eb6db69d2857b0c561730668143042eb09535b32d40ccaeffa72a2967745fdd03b500aa5f04462fd8b85163072

Download Submit
C:\Users\Admin\AppData\Roaming\N08N9-4R\N08logrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\N08N9-4R\N08logri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\N08N9-4R\N08logrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/976-11-0x0000000005A20000-0x0000000005B04000-memory.dmp

Filesize
912KB

Download
memory/976-9-0x0000000000F90000-0x000000000128C000-memory.dmp

Filesize
3.0MB

Download
memory/976-8-0x0000000000F90000-0x000000000128C000-memory.dmp

Filesize
3.0MB

Download
memory/976-7-0x0000000000000000-mapping.dmp

Download
memory/1316-2-0x0000000002B20000-0x0000000002B4B000-memory.dmp

Filesize
172KB

Download
memory/1316-6-0x0000000004CE0000-0x0000000004E20000-memory.dmp

Filesize
1.2MB

Download
memory/1316-4-0x0000000004B50000-0x0000000004BA0000-memory.dmp

Filesize
320KB

Download
memory/4020-14-0x00007FF6CDE00000-0x00007FF6CDE93000-memory.dmp

Filesize
588KB

Download
memory/4020-13-0x0000000000000000-mapping.dmp

Download
memory/4020-15-0x00007FF6CDE00000-0x00007FF6CDE93000-memory.dmp

Filesize
588KB

Download
memory/4020-16-0x00007FF6CDE00000-0x00007FF6CDE93000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads