formbook | 8f9430926059b310cac4b568f1ad316f8a9c44d6645d8e30661b5cbc8408254c

General

Target

DHL Tracer.exe
Size

371KB
MD5

22065e9ed2fc96ed8f9ee1fd4ebe5ba5
SHA1

c981814d1ce5fb9bba996f9f3d7853cce6f59cdb
SHA256

931de7a667086f50575388e97d16c318682f63c8ba9d044aa006abc6e26f2862
SHA512

9f05eecfcb2ee087ff2c74190ad7145b8c3a2fea0901a872964f184a8af876b4347172be311117e30db295af1888826d765bd66d807ebee8eac6416e9e770cfb

Score

10^/10

formbook k859 persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k859

Decoy

tealpineapples.com

boatybracelets.com

srurslzmd.download

oregonclimatesmart.com

holistics.net

allsystemsforupgradesnew.review

005554008.com

inteligenciamental.com

valedamente.com

novinsaraf.com

schnyderfor.com

newideait.com

horny-for-art.com

susanmurphree.com

lineage2impact.com

khaoskoordinator.com

baolanhuc.men

equifaxlaw.com

aaronsalvato.com

radioxxesertanejo.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4664-133-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/2212-141-0x0000000000BD0000-0x0000000000BFD000-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
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JTAHQNEP = "C:\\Program Files (x86)\\Ywrfltxfp\\aflx0r6w8.exe"	explorer.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHL Tracer.exeRegSvcs.exeexplorer.exe

description	pid	process	target process
PID 2340 set thread context of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 4664 set thread context of 8	4664	RegSvcs.exe	Explorer.EXE
PID 2212 set thread context of 8	2212	explorer.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ywrfltxfp\aflx0r6w8.exe explorer.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ywrfltxfp\aflx0r6w8.exe	explorer.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

DHL Tracer.exeRegSvcs.exeexplorer.exe

pid	process
2340	DHL Tracer.exe
2340	DHL Tracer.exe
4664	RegSvcs.exe
4664	RegSvcs.exe
4664	RegSvcs.exe
4664	RegSvcs.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

8 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exeexplorer.exe

pid process

4664 RegSvcs.exe
4664 RegSvcs.exe
4664 RegSvcs.exe
2212 explorer.exe
2212 explorer.exe
2212 explorer.exe
2212 explorer.exe

pid	process
8	Explorer.EXE

pid	process
4664	RegSvcs.exe
4664	RegSvcs.exe
4664	RegSvcs.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe
2212	explorer.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

DHL Tracer.exeRegSvcs.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2340	DHL Tracer.exe
Token: SeDebugPrivilege	4664	RegSvcs.exe
Token: SeDebugPrivilege	2212	explorer.exe
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

DHL Tracer.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2340 wrote to memory of 4652	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4652	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4652	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 2340 wrote to memory of 4664	2340	DHL Tracer.exe	RegSvcs.exe
PID 8 wrote to memory of 2212	8	Explorer.EXE	explorer.exe
PID 8 wrote to memory of 2212	8	Explorer.EXE	explorer.exe
PID 8 wrote to memory of 2212	8	Explorer.EXE	explorer.exe
PID 2212 wrote to memory of 5076	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 5076	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 5076	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 1280	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 1280	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 1280	2212	explorer.exe	cmd.exe
PID 2212 wrote to memory of 3968	2212	explorer.exe	Firefox.exe
PID 2212 wrote to memory of 3968	2212	explorer.exe	Firefox.exe
PID 2212 wrote to memory of 3968	2212	explorer.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:8

C:\Users\Admin\AppData\Local\Temp\DHL Tracer.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Tracer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
3⤵
PID:4652

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4664

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.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:2212

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
PID:5076

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:1280

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3968

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

2

T1112

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\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Roaming\-MPN04-W\-MPlogim.jpeg
Filesize
73KB

MD5
552f54daed373d4038010c574ace4bf4

SHA1
a3a9eeb7ce8de615e48a583260bc9c113955f56d

SHA256
897b9b190d8a0c2f209378a7f880931237dbb923497eceae5d3c80f65af61971

SHA512
41b16535b2f56628de06a168a04c234924bc752fd0b0c9a4ae6795e44a6b4661a6ba317e1882ac16b7260572cfa35226e874742abacb5f6803043f2f19deb18e

Download Submit
C:\Users\Admin\AppData\Roaming\-MPN04-W\-MPlogrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-MPN04-W\-MPlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\-MPN04-W\-MPlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-MPN04-W\-MPlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/8-144-0x00000000081D0000-0x00000000082C2000-memory.dmp

Filesize
968KB

Download
memory/8-137-0x0000000003250000-0x000000000334E000-memory.dmp

Filesize
1016KB

Download
memory/1280-145-0x0000000000000000-mapping.dmp

Download
memory/2212-141-0x0000000000BD0000-0x0000000000BFD000-memory.dmp

Filesize
180KB

Download
memory/2212-143-0x0000000002BE0000-0x0000000002C73000-memory.dmp

Filesize
588KB

Download
memory/2212-140-0x0000000002F50000-0x000000000329A000-memory.dmp

Filesize
3.3MB

Download
memory/2212-139-0x0000000000690000-0x0000000000AC3000-memory.dmp

Filesize
4.2MB

Download
memory/2212-138-0x0000000000000000-mapping.dmp

Download
memory/2340-130-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/4652-131-0x0000000000000000-mapping.dmp

Download
memory/4664-136-0x0000000001370000-0x0000000001384000-memory.dmp

Filesize
80KB

Download
memory/4664-135-0x0000000001440000-0x000000000178A000-memory.dmp

Filesize
3.3MB

Download
memory/4664-133-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4664-132-0x0000000000000000-mapping.dmp

Download
memory/5076-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads