formbook | e58c9f4df9489046914307a021fc4a4069b00cba9e95092748b05ddf75fc1408

General

Target

sartname.exe
Size

1.2MB
MD5

c1f3c9e997f8bb5f646d3159cc034f63
SHA1

2d33cd7d13efb4c1b91ac70eb71ece327a80583c
SHA256

784e7f732ce32eec8f01959777f45b1393c6528da49bc92cd2da41890f7798f6
SHA512

73577f0b431277771a1a4a2ae6a9f1bfbe557178488e934712f37a2582def76a9efdcaf6a8bb307668e0c8adce74d6ea76e3d89ad126cd64f543a0ee35f16aa3

Score

10^/10

formbook n7ak persistence rat spyware stealer 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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4836-130-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/4836-131-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/4820-138-0x0000000000AA0000-0x0000000000ACD000-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:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.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:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	wlanext.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UFJTIXQ8JLV = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	wlanext.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exewlanext.exe

description	pid	process	target process
PID 4836 set thread context of 384	4836	ieinstal.exe	Explorer.EXE
PID 4820 set thread context of 384	4820	wlanext.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

ieinstal.exewlanext.exe

pid	process
4836	ieinstal.exe
4836	ieinstal.exe
4836	ieinstal.exe
4836	ieinstal.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe
4820	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

384 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.exewlanext.exe

pid process

4836 ieinstal.exe
4836 ieinstal.exe
4836 ieinstal.exe
4820 wlanext.exe
4820 wlanext.exe
4820 wlanext.exe
4820 wlanext.exe

pid	process
384	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ieinstal.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4836	ieinstal.exe
Token: SeDebugPrivilege	4820	wlanext.exe
Token: SeShutdownPrivilege	384	Explorer.EXE
Token: SeCreatePagefilePrivilege	384	Explorer.EXE
Token: SeShutdownPrivilege	384	Explorer.EXE
Token: SeCreatePagefilePrivilege	384	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

sartname.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 2784 wrote to memory of 4836	2784	sartname.exe	ieinstal.exe
PID 384 wrote to memory of 4820	384	Explorer.EXE	wlanext.exe
PID 384 wrote to memory of 4820	384	Explorer.EXE	wlanext.exe
PID 384 wrote to memory of 4820	384	Explorer.EXE	wlanext.exe
PID 4820 wrote to memory of 3424	4820	wlanext.exe	cmd.exe
PID 4820 wrote to memory of 3424	4820	wlanext.exe	cmd.exe
PID 4820 wrote to memory of 3424	4820	wlanext.exe	cmd.exe
PID 4820 wrote to memory of 4060	4820	wlanext.exe	Firefox.exe
PID 4820 wrote to memory of 4060	4820	wlanext.exe	Firefox.exe
PID 4820 wrote to memory of 4060	4820	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384

C:\Users\Admin\AppData\Local\Temp\sartname.exe
"C:\Users\Admin\AppData\Local\Temp\sartname.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2784

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:4836

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.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:4820

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:3424

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4060

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

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
Filesize
75KB

MD5
0f2401bfedf817d2ae1003a029ffb7d5

SHA1
3015d98ff54277209b6b8cc3f52ec86fe5d94bbd

SHA256
8470139a67228062da1fb5a2868fc5b0778b9b59b8a1dff0cabe1acf0576aa9c

SHA512
3bc67c66348ad6d592c2539dcd1406075a092431a17bf34783bece57e668dcc8453d36b49a2465bb296dfa4bf33329dd4cd0f69fbdd0a7c2ffdb387d5404b077

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\94Ologrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

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
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/384-143-0x0000000008370000-0x0000000008465000-memory.dmp

Filesize
980KB

Download
memory/384-135-0x0000000002A40000-0x0000000002BD4000-memory.dmp

Filesize
1.6MB

Download
memory/3424-140-0x0000000000000000-mapping.dmp

Download
memory/4820-138-0x0000000000AA0000-0x0000000000ACD000-memory.dmp

Filesize
180KB

Download
memory/4820-139-0x00000000011E0000-0x000000000152A000-memory.dmp

Filesize
3.3MB

Download
memory/4820-137-0x0000000000B10000-0x0000000000B27000-memory.dmp

Filesize
92KB

Download
memory/4820-142-0x0000000001030000-0x00000000010C3000-memory.dmp

Filesize
588KB

Download
memory/4820-136-0x0000000000000000-mapping.dmp

Download
memory/4836-130-0x0000000000000000-mapping.dmp

Download
memory/4836-134-0x0000000002F40000-0x0000000002F54000-memory.dmp

Filesize
80KB

Download
memory/4836-133-0x0000000003100000-0x000000000344A000-memory.dmp

Filesize
3.3MB

Download
memory/4836-131-0x0000000010410000-0x000000001043D000-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