formbook | c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa

General

Target

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
Size

1.2MB
MD5

37c143bd56ecfe511d90d06da76ade93
SHA1

25078f86a10f251aad286ce81a7fcc72d3c28851
SHA256

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa
SHA512

76bacf4078c5037520e65288973751e9d6ce9e05c96e3396f21e30cbec86b225d94e44e8d0df92d29e4b19aa8b9bf8dbcccef53d929903c21bd83414c200a4ac
SSDEEP

24576:0mpkkZ7iYtU+wkxEbjw3I+g+qYsmj2BN:l6kZ7iYtEI3I+FWmj

Score

10^/10

formbook dka rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dka

Decoy

dollvador.com

aartigemsandjewellers.com

nbmiaojiang.com

thecharcuteriestop.com

fmldmlfdfmlfmdr.com

tikeok.com

onemoresysadmin.com

digistore-shop.com

chinahhf.com

petagonya.com

f22.info

siddhamedicineshop.com

vtiqb0.icu

sex-lesson.com

informationnelchamanique.com

bluewaterssportfishing.com

kmresults.com

jambokid.com

amplion.tech

thepaperstorw.com

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1736-142-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

description	pid	process	target process
PID 5036 set thread context of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2336 schtasks.exe

pid	process
2336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exec411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

pid	process
5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
1736	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
1736	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

description pid process

Token: SeDebugPrivilege 5036 c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

description	pid	process
Token: SeDebugPrivilege	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

description	pid	process	target process
PID 5036 wrote to memory of 2336	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	schtasks.exe
PID 5036 wrote to memory of 2336	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	schtasks.exe
PID 5036 wrote to memory of 2336	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	schtasks.exe
PID 5036 wrote to memory of 2220	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 2220	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 2220	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
PID 5036 wrote to memory of 1736	5036	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe	c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
"C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\beOxSyVXoI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp848.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
  "C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe"
  2⤵
  PID:2220
- C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
  "C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp848.tmp

Filesize
1KB

MD5
aff22374c0d7d9741f333f5c2225c045

SHA1
627d67c4af57c8535a820f8e209bac89d12bd9c2

SHA256
dcb75fc615cba67efc031be166a73f791134d7c00c89a51dd6e9a5f8542c0370

SHA512
b0b09b6b4a73496450e130635f9178c7dd6a9151ef993d9eea128bde3e549b1af779ad467b3363dbd54ca63cb84732f9f985134f036f962b82372bff2d1f6ad0

Download Submit
memory/1736-141-0x0000000000000000-mapping.dmp

Download
memory/1736-142-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1736-143-0x00000000018C0000-0x0000000001C0A000-memory.dmp

Filesize
3.3MB

Download
memory/2220-140-0x0000000000000000-mapping.dmp

Download
memory/2336-138-0x0000000000000000-mapping.dmp

Download
memory/5036-132-0x00000000004F0000-0x000000000062C000-memory.dmp

Filesize
1.2MB

Download
memory/5036-133-0x00000000074A0000-0x000000000753C000-memory.dmp

Filesize
624KB

Download
memory/5036-134-0x0000000007AF0000-0x0000000008094000-memory.dmp

Filesize
5.6MB

Download
memory/5036-135-0x00000000075E0000-0x0000000007672000-memory.dmp

Filesize
584KB

Download
memory/5036-136-0x0000000007550000-0x000000000755A000-memory.dmp

Filesize
40KB

Download
memory/5036-137-0x0000000007770000-0x00000000077C6000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads