formbook | 757371fd80dda17d1844c472bead62365e29e5f902e32afad9bc0120346220d5

General

Target

TNTEXPRESS.exe
Size

683KB
MD5

64ba7b4484114967c48bea5cff6ac9bb
SHA1

65eba06d17dd6b75ae74c5cf09ae5e25e81ea0e2
SHA256

757371fd80dda17d1844c472bead62365e29e5f902e32afad9bc0120346220d5
SHA512

6727c4345e373355a6bc39e900a890a6116ad051c60112089cf4cea1aed57f749cd3bf1904039ceec8ee522039a93ed48e4e0b47b5ee5e05922ac7d72ae31360
SSDEEP

12288:49oe+bBWrllPje9oSTSIEdlP9sDIZD/6K3ZZ5saOkdjB28lA5Y8:49oe+Ill0o3IyPq8NrpS0lWY

Score

10^/10

formbook gtt8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gtt8

Decoy

thesuccessbot.com

rittercivil.com

jt1.fun

d365extension.com

quqoxeq.top

visittworiverswi.com

bfprotienda.com

greenhabitsph.com

ladmere.com

clockboutiques.com

minwart.xyz

xinyuejiancai.online

eggsl.com

fetchingcandles.com

skywatiniya.com

hinkley.news

realityonlineenterprises.com

teamcroissant.com

esfera-pv.ch

herdadedosmontesbastos.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/4948-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4948-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3668-149-0x0000000000C00000-0x0000000000C2F000-memory.dmp	formbook
behavioral2/memory/3668-151-0x0000000000C00000-0x0000000000C2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

TNTEXPRESS.exeTNTEXPRESS.exeipconfig.exe

description	pid	process	target process
PID 4532 set thread context of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4948 set thread context of 3128	4948	TNTEXPRESS.exe	Explorer.EXE
PID 3668 set thread context of 3128	3668	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

3668 ipconfig.exe

pid	process
3668	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

TNTEXPRESS.exeipconfig.exe

pid	process
4948	TNTEXPRESS.exe
4948	TNTEXPRESS.exe
4948	TNTEXPRESS.exe
4948	TNTEXPRESS.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe
3668	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3128 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

TNTEXPRESS.exeipconfig.exe

pid process

4948 TNTEXPRESS.exe
4948 TNTEXPRESS.exe
4948 TNTEXPRESS.exe
3668 ipconfig.exe
3668 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TNTEXPRESS.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 4948 TNTEXPRESS.exe
Token: SeDebugPrivilege 3668 ipconfig.exe

pid	process
3128	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4948	TNTEXPRESS.exe
Token: SeDebugPrivilege	3668	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

TNTEXPRESS.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 4532 wrote to memory of 4948	4532	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 3128 wrote to memory of 3668	3128	Explorer.EXE	ipconfig.exe
PID 3128 wrote to memory of 3668	3128	Explorer.EXE	ipconfig.exe
PID 3128 wrote to memory of 3668	3128	Explorer.EXE	ipconfig.exe
PID 3668 wrote to memory of 1000	3668	ipconfig.exe	cmd.exe
PID 3668 wrote to memory of 1000	3668	ipconfig.exe	cmd.exe
PID 3668 wrote to memory of 1000	3668	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3128

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4532

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4948

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3128-146-0x0000000008A80000-0x0000000008BE6000-memory.dmp

Filesize
1.4MB

Download
memory/3128-158-0x0000000002DB0000-0x0000000002E66000-memory.dmp

Filesize
728KB

Download
memory/3128-156-0x0000000002DB0000-0x0000000002E66000-memory.dmp

Filesize
728KB

Download
memory/3128-155-0x0000000002DB0000-0x0000000002E66000-memory.dmp

Filesize
728KB

Download
memory/3128-152-0x0000000008A80000-0x0000000008BE6000-memory.dmp

Filesize
1.4MB

Download
memory/3668-154-0x0000000001290000-0x0000000001324000-memory.dmp

Filesize
592KB

Download
memory/3668-151-0x0000000000C00000-0x0000000000C2F000-memory.dmp

Filesize
188KB

Download
memory/3668-150-0x00000000014A0000-0x00000000017EA000-memory.dmp

Filesize
3.3MB

Download
memory/3668-149-0x0000000000C00000-0x0000000000C2F000-memory.dmp

Filesize
188KB

Download
memory/3668-148-0x0000000000870000-0x000000000087B000-memory.dmp

Filesize
44KB

Download
memory/3668-147-0x0000000000870000-0x000000000087B000-memory.dmp

Filesize
44KB

Download
memory/4532-138-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4532-139-0x0000000000F00000-0x0000000000F9C000-memory.dmp

Filesize
624KB

Download
memory/4532-133-0x0000000000420000-0x00000000004D2000-memory.dmp

Filesize
712KB

Download
memory/4532-137-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/4532-136-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4532-135-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/4532-134-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4948-145-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4948-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4948-143-0x00000000017E0000-0x0000000001B2A000-memory.dmp

Filesize
3.3MB

Download
memory/4948-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads