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/3916-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3916-147-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4420-150-0x0000000000D60000-0x0000000000D8F000-memory.dmp	formbook
behavioral2/memory/4420-152-0x0000000000D60000-0x0000000000D8F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

TNTEXPRESS.exeTNTEXPRESS.exesvchost.exe

description	pid	process	target process
PID 1716 set thread context of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 3916 set thread context of 3172	3916	TNTEXPRESS.exe	Explorer.EXE
PID 4420 set thread context of 3172	4420	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

TNTEXPRESS.exeTNTEXPRESS.exesvchost.exe

pid	process
1716	TNTEXPRESS.exe
1716	TNTEXPRESS.exe
1716	TNTEXPRESS.exe
1716	TNTEXPRESS.exe
1716	TNTEXPRESS.exe
1716	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe
4420	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3172 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

TNTEXPRESS.exesvchost.exe

pid process

3916 TNTEXPRESS.exe
3916 TNTEXPRESS.exe
3916 TNTEXPRESS.exe
4420 svchost.exe
4420 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

TNTEXPRESS.exeTNTEXPRESS.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1716 TNTEXPRESS.exe
Token: SeDebugPrivilege 3916 TNTEXPRESS.exe
Token: SeDebugPrivilege 4420 svchost.exe

pid	process
3172	Explorer.EXE

pid	process
3916	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
3916	TNTEXPRESS.exe
4420	svchost.exe
4420	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1716	TNTEXPRESS.exe
Token: SeDebugPrivilege	3916	TNTEXPRESS.exe
Token: SeDebugPrivilege	4420	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

TNTEXPRESS.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1716 wrote to memory of 648	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 648	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 648	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3988	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3988	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3988	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3164	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3164	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3164	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 1716 wrote to memory of 3916	1716	TNTEXPRESS.exe	TNTEXPRESS.exe
PID 3172 wrote to memory of 4420	3172	Explorer.EXE	svchost.exe
PID 3172 wrote to memory of 4420	3172	Explorer.EXE	svchost.exe
PID 3172 wrote to memory of 4420	3172	Explorer.EXE	svchost.exe
PID 4420 wrote to memory of 1448	4420	svchost.exe	cmd.exe
PID 4420 wrote to memory of 1448	4420	svchost.exe	cmd.exe
PID 4420 wrote to memory of 1448	4420	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
PID:648

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
PID:3988

C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe
"C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
PID:3164

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:3916

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\TNTEXPRESS.exe"
3⤵
PID:1448

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1716-133-0x0000000000830000-0x00000000008E2000-memory.dmp

Filesize
712KB

Download
memory/1716-134-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/1716-135-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/1716-136-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/1716-137-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/1716-138-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/1716-139-0x0000000001100000-0x000000000119C000-memory.dmp

Filesize
624KB

Download
memory/3172-145-0x0000000002C00000-0x0000000002D37000-memory.dmp

Filesize
1.2MB

Download
memory/3172-155-0x0000000008820000-0x0000000008934000-memory.dmp

Filesize
1.1MB

Download
memory/3172-158-0x0000000008820000-0x0000000008934000-memory.dmp

Filesize
1.1MB

Download
memory/3172-156-0x0000000008820000-0x0000000008934000-memory.dmp

Filesize
1.1MB

Download
memory/3916-144-0x00000000018E0000-0x0000000001C2A000-memory.dmp

Filesize
3.3MB

Download
memory/3916-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3916-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3916-143-0x0000000001880000-0x0000000001895000-memory.dmp

Filesize
84KB

Download
memory/4420-150-0x0000000000D60000-0x0000000000D8F000-memory.dmp

Filesize
188KB

Download
memory/4420-152-0x0000000000D60000-0x0000000000D8F000-memory.dmp

Filesize
188KB

Download
memory/4420-154-0x00000000018A0000-0x0000000001934000-memory.dmp

Filesize
592KB

Download
memory/4420-151-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/4420-146-0x0000000000110000-0x000000000011E000-memory.dmp

Filesize
56KB

Download
memory/4420-149-0x0000000000110000-0x000000000011E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads