formbook | acc4d8e95dd29d9938aa45721d589407dd9e2712e6035d620068709c1bbe600e

General

Target

products samples.exe
Size

494KB
MD5

e64f048c8c196195443a74e911748666
SHA1

42d24e14f852afba26c793bf4063ad80f581452a
SHA256

cbb6d89187847aab1fcff6b5d832ea80bca30bfe5520702133cab83335392ead
SHA512

0101a9d60cfbf7dbabf5e7c3d119c12bd5774926387fb51606e5715ee80554c8311b5bc2060e4a329199a696799a593b8a7b4af9315c06a009228e3832e56f75

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/564-57-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/564-58-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/564-59-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/844-65-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Adds policy 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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\URXXCFWH2T = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	cmmon32.exe

Adds 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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.execmmon32.exe

description	pid	process	target process
PID 564 set thread context of 1264	564	ieinstal.exe	Explorer.EXE
PID 844 set thread context of 1264	844	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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

ieinstal.exeproducts samples.execmmon32.exe

pid	process
564	ieinstal.exe
564	ieinstal.exe
1048	products samples.exe
1048	products samples.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe
844	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.execmmon32.exe

pid process

564 ieinstal.exe
564 ieinstal.exe
564 ieinstal.exe
844 cmmon32.exe
844 cmmon32.exe
844 cmmon32.exe
844 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ieinstal.execmmon32.exe

description pid process

Token: SeDebugPrivilege 564 ieinstal.exe
Token: SeDebugPrivilege 844 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	564	ieinstal.exe
Token: SeDebugPrivilege	844	cmmon32.exe

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

products samples.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1048 wrote to memory of 564	1048	products samples.exe	ieinstal.exe
PID 1264 wrote to memory of 844	1264	Explorer.EXE	cmmon32.exe
PID 1264 wrote to memory of 844	1264	Explorer.EXE	cmmon32.exe
PID 1264 wrote to memory of 844	1264	Explorer.EXE	cmmon32.exe
PID 1264 wrote to memory of 844	1264	Explorer.EXE	cmmon32.exe
PID 844 wrote to memory of 596	844	cmmon32.exe	Firefox.exe
PID 844 wrote to memory of 596	844	cmmon32.exe	Firefox.exe
PID 844 wrote to memory of 596	844	cmmon32.exe	Firefox.exe
PID 844 wrote to memory of 596	844	cmmon32.exe	Firefox.exe
PID 844 wrote to memory of 596	844	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\products samples.exe
"C:\Users\Admin\AppData\Local\Temp\products samples.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048

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:564

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:844

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:596

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\94O2R65S\94Ologim.jpeg
Filesize
51KB

MD5
11d354666c372e864b76dbfa67a31fff

SHA1
9cf8f693f25dc002dd1b9e1da0f1713cc76b8550

SHA256
4c5ed0e048939994d9c1a959dbb90879992eb7347e73f43721bab68814ca85b7

SHA512
a4312f10b96b61292ddddd239337977c6be6d1aa1a19745d92aad973f010f465e10e070cfce21469ad15be277f15bd3eb27b3ec599fb2a47157c769f5c45cedd

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/564-55-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/564-57-0x0000000000000000-mapping.dmp

Download
memory/564-58-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/564-59-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/564-60-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/564-61-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/844-63-0x0000000000000000-mapping.dmp

Download
memory/844-66-0x0000000001FB0000-0x00000000022B3000-memory.dmp

Filesize
3.0MB

Download
memory/844-68-0x0000000000830000-0x00000000008C3000-memory.dmp

Filesize
588KB

Download
memory/844-65-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/844-64-0x0000000000780000-0x000000000078D000-memory.dmp

Filesize
52KB

Download
memory/1048-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1264-69-0x0000000006B70000-0x0000000006C8E000-memory.dmp

Filesize
1.1MB

Download
memory/1264-62-0x00000000063E0000-0x0000000006546000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads