formbook | bccb5a69386e34c4c94dfe0932180377c333d0d1f0a65b52eb64a0cdc1974556

General

Target

6de2089f_by_Libranalysis.exe
Size

1.4MB
MD5

6de2089faacef5b512c7abb442388e3c
SHA1

5af74789c9fda2dd117a26ad59664e14d7bc64aa
SHA256

bccb5a69386e34c4c94dfe0932180377c333d0d1f0a65b52eb64a0cdc1974556
SHA512

0943521624cf61b883acfd6e2068b452b81bb5fe319e3aad2cf554c3e99cd865667f1918f025b609b97ce1baa97aa1ebb401bc80b77e41ee2b5055de09a5112d

Score

10^/10

formbook persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.info/n7ak/

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4296-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/4296-121-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/504-127-0x00000000003A0000-0x00000000003CD000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	mstsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CX4TQT28_PTP = "C:\\Program Files (x86)\\Kjbclefbp\\u8tplxmxklmlw.exe"	mstsc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mshta.exemstsc.exe

description	pid	process	target process
PID 4296 set thread context of 3048	4296	mshta.exe	Explorer.EXE
PID 504 set thread context of 3048	504	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Kjbclefbp\u8tplxmxklmlw.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Kjbclefbp\u8tplxmxklmlw.exe	mstsc.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-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

mshta.exemstsc.exe

pid	process
4296	mshta.exe
4296	mshta.exe
4296	mshta.exe
4296	mshta.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe
504	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

mshta.exemstsc.exe

pid process

4296 mshta.exe
4296 mshta.exe
4296 mshta.exe
504 mstsc.exe
504 mstsc.exe
504 mstsc.exe
504 mstsc.exe

pid	process
3048	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

mshta.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	4296	mshta.exe
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeDebugPrivilege	504	mstsc.exe
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE
Token: SeShutdownPrivilege	3048	Explorer.EXE
Token: SeCreatePagefilePrivilege	3048	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE

pid	process
3048	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6de2089f_by_Libranalysis.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 4656 wrote to memory of 4296	4656	6de2089f_by_Libranalysis.exe	mshta.exe
PID 3048 wrote to memory of 504	3048	Explorer.EXE	mstsc.exe
PID 3048 wrote to memory of 504	3048	Explorer.EXE	mstsc.exe
PID 3048 wrote to memory of 504	3048	Explorer.EXE	mstsc.exe
PID 504 wrote to memory of 816	504	mstsc.exe	cmd.exe
PID 504 wrote to memory of 816	504	mstsc.exe	cmd.exe
PID 504 wrote to memory of 816	504	mstsc.exe	cmd.exe
PID 504 wrote to memory of 1132	504	mstsc.exe	Firefox.exe
PID 504 wrote to memory of 1132	504	mstsc.exe	Firefox.exe
PID 504 wrote to memory of 1132	504	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\6de2089f_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\6de2089f_by_Libranalysis.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\mshta.exe
C:\Windows\System32\mshta.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4296

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:504

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mshta.exe"
3⤵
PID:816

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg

MD5
cc5067d0f095df3f043631a5a797cb75

SHA1
44be238c9ddb1577c60edac353c3acb5f210c9e1

SHA256
4218fa136a77e3b717b22d9db9e9dd3e2ee271fa643ef14ab1a6d7b1583dd0ef

SHA512
b98dea67284bb86b340d66e54604cf28276bb1f7de843bf2176ef4578dd92207f15b5196865ccfa85e3bd7b46638354146b3e16e92ec67b87e20cadaed700bd7

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/504-128-0x0000000004970000-0x0000000004C90000-memory.dmp

Filesize
3.1MB

Download
memory/504-130-0x00000000046E0000-0x0000000004773000-memory.dmp

Filesize
588KB

Download
memory/504-127-0x00000000003A0000-0x00000000003CD000-memory.dmp

Filesize
180KB

Download
memory/504-125-0x0000000000000000-mapping.dmp

Download
memory/504-126-0x0000000000DB0000-0x00000000010AC000-memory.dmp

Filesize
3.0MB

Download
memory/816-129-0x0000000000000000-mapping.dmp

Download
memory/1132-132-0x0000000000000000-mapping.dmp

Download
memory/1132-134-0x000001D6F0D60000-0x000001D6F0EEC000-memory.dmp

Filesize
1.5MB

Download
memory/1132-133-0x00007FF648C30000-0x00007FF648CC3000-memory.dmp

Filesize
588KB

Download
memory/3048-124-0x0000000006150000-0x00000000062F6000-memory.dmp

Filesize
1.6MB

Download
memory/3048-131-0x0000000006300000-0x0000000006449000-memory.dmp

Filesize
1.3MB

Download
memory/4296-123-0x0000000003870000-0x0000000003884000-memory.dmp

Filesize
80KB

Download
memory/4296-122-0x0000000003380000-0x00000000036A0000-memory.dmp

Filesize
3.1MB

Download
memory/4296-120-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/4296-121-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/4296-119-0x0000000000000000-mapping.dmp

Download
memory/4656-114-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/4656-116-0x00000000007B0000-0x00000000007CA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads