formbook | bc5af6d6aa8b703a81fe8ba15788bf4de8bc9f5c69d300eb15559df8960b3232

General

Target

Attached is list of our purchase order.exe
Size

1018KB
MD5

51c0b8ed8fefbc54a2dee932441e60f5
SHA1

f1725101ee1c02864a3e829d08d9062d9f05a694
SHA256

ab654da16e2c42b2547b884c79f0829214b34e0d1db7ab0ad23271a66f3298c3
SHA512

1d596345a1e54f24de8e2b2d086eed00ec822caab7b985abae37df15d300419ef0e0dc81d7154b73c89a2fa74b9fecc4d42f7fb09f56cb0e33e415056baf8804

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

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

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3416-131-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/2064-132-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2064-134-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/2624-140-0x0000000000A20000-0x0000000000A4D000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe

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:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3FG4CBIXJVE = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	wscript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exewscript.exe

description	pid	process	target process
PID 2064 set thread context of 3144	2064	ieinstal.exe	Explorer.EXE
PID 2624 set thread context of 3144	2624	wscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

ieinstal.exewscript.exe

pid	process
2064	ieinstal.exe
2064	ieinstal.exe
2064	ieinstal.exe
2064	ieinstal.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe
2624	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3144 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.exewscript.exe

pid process

2064 ieinstal.exe
2064 ieinstal.exe
2064 ieinstal.exe
2624 wscript.exe
2624 wscript.exe
2624 wscript.exe
2624 wscript.exe

pid	process
3144	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ieinstal.exewscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2064	ieinstal.exe
Token: SeDebugPrivilege	2624	wscript.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Attached is list of our purchase order.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3416 wrote to memory of 2064	3416	Attached is list of our purchase order.exe	ieinstal.exe
PID 3144 wrote to memory of 2624	3144	Explorer.EXE	wscript.exe
PID 3144 wrote to memory of 2624	3144	Explorer.EXE	wscript.exe
PID 3144 wrote to memory of 2624	3144	Explorer.EXE	wscript.exe
PID 2624 wrote to memory of 2664	2624	wscript.exe	cmd.exe
PID 2624 wrote to memory of 2664	2624	wscript.exe	cmd.exe
PID 2624 wrote to memory of 2664	2624	wscript.exe	cmd.exe
PID 2624 wrote to memory of 2176	2624	wscript.exe	Firefox.exe
PID 2624 wrote to memory of 2176	2624	wscript.exe	Firefox.exe
PID 2624 wrote to memory of 2176	2624	wscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

C:\Users\Admin\AppData\Local\Temp\Attached is list of our purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Attached is list of our purchase order.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3416

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624

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:2664

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
Filesize
81KB

MD5
beadd0950c635721856920080223178d

SHA1
baa567a755144b942f86850165c7b5f825dc33ac

SHA256
43b6ab4db966632ad8b3fd36162f9d5f7bcaadd12af2aabd8d6d7878ba5da2a6

SHA512
ddd50d2b54e34658662cf181a31d62424a3ee7ef30db09d09b94d803482d48236aa969053b18950f61a654ebf1a074a2fb2f7704678affd8cc856d4625c7da79

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C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

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C:\Users\Admin\AppData\Roaming\-65A6372\-65logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

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C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

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memory/2064-132-0x0000000000000000-mapping.dmp

Download
memory/2064-134-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/2064-135-0x0000000002F30000-0x000000000327A000-memory.dmp

Filesize
3.3MB

Download
memory/2064-136-0x0000000002C90000-0x0000000002CA4000-memory.dmp

Filesize
80KB

Download
memory/2624-139-0x0000000000060000-0x0000000000087000-memory.dmp

Filesize
156KB

Download
memory/2624-144-0x00000000028D0000-0x0000000002963000-memory.dmp

Filesize
588KB

Download
memory/2624-141-0x0000000002A60000-0x0000000002DAA000-memory.dmp

Filesize
3.3MB

Download
memory/2624-140-0x0000000000A20000-0x0000000000A4D000-memory.dmp

Filesize
180KB

Download
memory/2624-138-0x0000000000000000-mapping.dmp

Download
memory/2664-142-0x0000000000000000-mapping.dmp

Download
memory/3144-145-0x0000000007F70000-0x00000000080BC000-memory.dmp

Filesize
1.3MB

Download
memory/3144-137-0x0000000002760000-0x000000000281E000-memory.dmp

Filesize
760KB

Download
memory/3416-131-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads