formbook | fa727bc89057fa9b33dbf9a20c1d0800146f05a28bbad527ed2a836c2fa4e2d3

General

Target

List of our purchase order.exe
Size

1.1MB
MD5

94c591351a9f0c0e8c61ee32b1e4bed8
SHA1

37c19b86622d1a9725a87c288af816aadda575a2
SHA256

017f433a49afcc765c5a5e7f39de6251fbe37d9c98f7d86f1abcefb1a9f559bc
SHA512

1b768f633f2d748a59a967f767eec9300e467163fc907b65c4b520c538bfeb89b7f957a566b365bce813ef9d47eb6e1372e3451b4527a62e37e9dcd30f4c0241

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
behavioral1/memory/1620-57-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1620-58-0x000000000041E360-mapping.dmp	formbook
behavioral1/memory/1620-60-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1944-69-0x0000000000080000-0x00000000000AD000-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:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\6LFHZLEHO8_L = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	cmmon32.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 4 IoCs

Processes:

List of our purchase order.exeieinstal.execmmon32.exe

description	pid	process	target process
PID 1528 set thread context of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1620 set thread context of 1220	1620	ieinstal.exe	Explorer.EXE
PID 1620 set thread context of 1220	1620	ieinstal.exe	Explorer.EXE
PID 1944 set thread context of 1220	1944	cmmon32.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

ieinstal.execmmon32.exe

pid	process
1620	ieinstal.exe
1620	ieinstal.exe
1620	ieinstal.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe
1944	cmmon32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ieinstal.execmmon32.exe

pid process

1620 ieinstal.exe
1620 ieinstal.exe
1620 ieinstal.exe
1620 ieinstal.exe
1944 cmmon32.exe
1944 cmmon32.exe
1944 cmmon32.exe
1944 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ieinstal.execmmon32.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1620 ieinstal.exe
Token: SeDebugPrivilege 1944 cmmon32.exe
Token: SeShutdownPrivilege 1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1620	ieinstal.exe
Token: SeDebugPrivilege	1944	cmmon32.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

List of our purchase order.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1528 wrote to memory of 1620	1528	List of our purchase order.exe	ieinstal.exe
PID 1220 wrote to memory of 1944	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1944	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1944	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1944	1220	Explorer.EXE	cmmon32.exe
PID 1944 wrote to memory of 1548	1944	cmmon32.exe	Firefox.exe
PID 1944 wrote to memory of 1548	1944	cmmon32.exe	Firefox.exe
PID 1944 wrote to memory of 1548	1944	cmmon32.exe	Firefox.exe
PID 1944 wrote to memory of 1548	1944	cmmon32.exe	Firefox.exe
PID 1944 wrote to memory of 1548	1944	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\List of our purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\List of our purchase order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528

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:1620

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.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:1944

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1548

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
Filesize
56KB

MD5
992b0d0a81f1fda515b98de07c67a01b

SHA1
ae157e3f52cf3b8e97355c7454d8f020a456d414

SHA256
64732696b5ed306694b919526dab2b0ef3fd78e8ee2e94a9d2f912708ab3332e

SHA512
80d3c3b57e2cc95ce6a5c4675978ef971d1db0f0f9f5a97f4251e90a86f5c610ca404903de05f789601f36bc5bc39500f301d292cb9901125fd242ea1b893fa0

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

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
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
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1220-66-0x0000000004C40000-0x0000000004DDC000-memory.dmp

Filesize
1.6MB

Download
memory/1220-73-0x0000000006490000-0x00000000065AD000-memory.dmp

Filesize
1.1MB

Download
memory/1220-63-0x0000000004B20000-0x0000000004C38000-memory.dmp

Filesize
1.1MB

Download
memory/1528-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1620-61-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/1620-65-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/1620-62-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/1620-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1620-58-0x000000000041E360-mapping.dmp

Download
memory/1620-57-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1620-55-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1944-67-0x0000000000000000-mapping.dmp

Download
memory/1944-68-0x0000000000750000-0x000000000075D000-memory.dmp

Filesize
52KB

Download
memory/1944-69-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1944-70-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/1944-72-0x0000000001D30000-0x0000000001DC3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads