formbook | 704e900ae3d5645795927711e8f35d8b424ffcbbc4535f71346ea0feafebf14a

General

Target

786f7116b110303287aed5571dad3789_JaffaCakes118.exe
Size

403KB
MD5

786f7116b110303287aed5571dad3789
SHA1

1ac724333f61654bb7560721e6420c014bcba932
SHA256

704e900ae3d5645795927711e8f35d8b424ffcbbc4535f71346ea0feafebf14a
SHA512

5f5f22b55fe1014217fe3a258797c9c77cfca47aa278893eae2cf2ea9037c06df54d9a6a39ff1b3d12d3369b328518ef33da7b1850157c0b0a4c1854f24a88a5
SSDEEP

12288:sJixv2zv1grMilAdAYyI2QbWk/NEoQI4shdPYJdBJ:Gi42RlafyIhN/yo9vhuJLJ

Score

10^/10

formbook aa3 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

aa3

Decoy

dorzi.xyz

twentysx.net

myvoteatwork.com

linaje-escogido.com

godgunsncountry.com

bagudangtarung01.net

gemwalljewelry.com

orchidiris.com

opticalucy.com

yoniathome.com

tgg-iris.com

kyjade.com

smtfarming.com

diavacations.com

createkillerproducts.com

mydiscountexpress.com

yangshuotuozhan.com

architecture53seven.com

afitnessdiary.com

baobabusa.com

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3400-15-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3400-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

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

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\K4RDYDMXCNY = "C:\\Program Files (x86)\\Anpih\\02svrm.exe"	msdt.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

786f7116b110303287aed5571dad3789_JaffaCakes118.exeRegSvcs.exemsdt.exe

description	pid	process	target process
PID 5040 set thread context of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 3400 set thread context of 3524	3400	RegSvcs.exe	Explorer.EXE
PID 3380 set thread context of 3524	3380	msdt.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

msdt.exe

description ioc process

File opened for modification C:\Program Files (x86)\Anpih\02svrm.exe msdt.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Anpih\02svrm.exe	msdt.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

786f7116b110303287aed5571dad3789_JaffaCakes118.exeRegSvcs.exemsdt.exe

pid	process
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exemsdt.exe

pid process

3400 RegSvcs.exe
3400 RegSvcs.exe
3400 RegSvcs.exe
3380 msdt.exe
3380 msdt.exe
3380 msdt.exe
3380 msdt.exe

pid	process
3400	RegSvcs.exe
3400	RegSvcs.exe
3400	RegSvcs.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe
3380	msdt.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

786f7116b110303287aed5571dad3789_JaffaCakes118.exeRegSvcs.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe
Token: SeDebugPrivilege	3400	RegSvcs.exe
Token: SeDebugPrivilege	3380	msdt.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3524 Explorer.EXE

pid	process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

786f7116b110303287aed5571dad3789_JaffaCakes118.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 5040 wrote to memory of 5032	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 5032	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 5032	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3248	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3248	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3248	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 5040 wrote to memory of 3400	5040	786f7116b110303287aed5571dad3789_JaffaCakes118.exe	RegSvcs.exe
PID 3524 wrote to memory of 3380	3524	Explorer.EXE	msdt.exe
PID 3524 wrote to memory of 3380	3524	Explorer.EXE	msdt.exe
PID 3524 wrote to memory of 3380	3524	Explorer.EXE	msdt.exe
PID 3380 wrote to memory of 1716	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 1716	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 1716	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 2428	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 2428	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 2428	3380	msdt.exe	cmd.exe
PID 3380 wrote to memory of 4056	3380	msdt.exe	Firefox.exe
PID 3380 wrote to memory of 4056	3380	msdt.exe	Firefox.exe
PID 3380 wrote to memory of 4056	3380	msdt.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:3524

C:\Users\Admin\AppData\Local\Temp\786f7116b110303287aed5571dad3789_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\786f7116b110303287aed5571dad3789_JaffaCakes118.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
PID:5032

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
PID:3248

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3400

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.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:3380

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
PID:1716

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2428

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4056

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:3848

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3416,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
1⤵
PID:3284

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
46KB

MD5
8f5942354d3809f865f9767eddf51314

SHA1
20be11c0d42fc0cef53931ea9152b55082d1a11e

SHA256
776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea

SHA512
fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

Download Submit
C:\Users\Admin\AppData\Roaming\L-R5B4EQ\L-Rlogim.jpeg
Filesize
75KB

MD5
efa55d1921d0c963ad33b10f8d3e8f2d

SHA1
3d26824d3d29cf8b2a90f4ba3dcd964c9cc29ab3

SHA256
66cb0948d6e46c00e31bbdad1948d1de95596d221091379fa3ada86e2b514a17

SHA512
cde04bd58ec940cd590762540197279d8395562d3956e47effa767dfdab179671634d070c4910ff89cdea00d7273966ff5b1d74b6812f30ff54b7753f90c1986

Download Submit
C:\Users\Admin\AppData\Roaming\L-R5B4EQ\L-Rlogrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\L-R5B4EQ\L-Rlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\L-R5B4EQ\L-Rlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\L-R5B4EQ\L-Rlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/3380-24-0x00000000009A0000-0x00000000009F7000-memory.dmp

Filesize
348KB

Download
memory/3380-23-0x00000000009A0000-0x00000000009F7000-memory.dmp

Filesize
348KB

Download
memory/3400-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3400-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3400-21-0x0000000000D20000-0x0000000000D34000-memory.dmp

Filesize
80KB

Download
memory/3400-19-0x00000000012D0000-0x000000000161A000-memory.dmp

Filesize
3.3MB

Download
memory/3524-29-0x00000000085B0000-0x00000000086B4000-memory.dmp

Filesize
1.0MB

Download
memory/3524-26-0x0000000007FA0000-0x0000000008111000-memory.dmp

Filesize
1.4MB

Download
memory/3524-22-0x0000000007FA0000-0x0000000008111000-memory.dmp

Filesize
1.4MB

Download
memory/3848-7-0x00007FF842490000-0x00007FF842E31000-memory.dmp

Filesize
9.6MB

Download
memory/3848-9-0x00007FF842490000-0x00007FF842E31000-memory.dmp

Filesize
9.6MB

Download
memory/3848-3-0x00007FF842745000-0x00007FF842746000-memory.dmp

Filesize
4KB

Download
memory/3848-13-0x00007FF842490000-0x00007FF842E31000-memory.dmp

Filesize
9.6MB

Download
memory/3848-12-0x00007FF842745000-0x00007FF842746000-memory.dmp

Filesize
4KB

Download
memory/3848-4-0x00000000011F0000-0x0000000001210000-memory.dmp

Filesize
128KB

Download
memory/3848-5-0x00007FF842490000-0x00007FF842E31000-memory.dmp

Filesize
9.6MB

Download
memory/3848-6-0x000000001A930000-0x000000001AD04000-memory.dmp

Filesize
3.8MB

Download
memory/3848-8-0x000000001AFF0000-0x000000001B126000-memory.dmp

Filesize
1.2MB

Download
memory/5040-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/5040-17-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/5040-10-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/5040-11-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/5040-14-0x0000000001340000-0x0000000001350000-memory.dmp

Filesize
64KB

Download
memory/5040-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/5040-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads