formbook | 852f5fdc41f6a946823e438d3c705407ab50bb35f4496c62fe42b87d10ddda49

General

Target

SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe
Size

449KB
MD5

58f4e4a04bdb4ddd05a9cc46db449bac
SHA1

5b8833122003a416706e12f35e103c30a34dd5ac
SHA256

852f5fdc41f6a946823e438d3c705407ab50bb35f4496c62fe42b87d10ddda49
SHA512

850627e5315007a48ebd84120b1e5b201d49fda20eeca2d832ea26f61b63fc47b2c028e35cbf750d33a5a76e1be47bbc3c5828941f5a1c0dd979f53951d5aee3
SSDEEP

12288:LNafFp4sPImSrpBMrkEv84gk0axRxmdVdMD/o6KVZvJIc:LCFpomSrLMQigkbVmdLMD/o6MKc

Score

10^/10

formbook t5ez rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

t5ez

Decoy

v+YaDdg/udazyV4Iyw==

MXDNPIhw1/8BP0Ud2fguBRZ/8nF6wQ==

WsTRjsGfK1Wt+wjFRn9mBQ==

TrAv42rPyfBfhpI=

2FrznhJCG6bpCgm9+n/Xq0cr

phy0dqeRgaeZzcuciHGgrkeVQw==

DIYHd2O24QEB

wVbxr0eqbQZMc4xwQF1W3NdmR2Xc

ncsN3VitpSp18jvXswKeJeQKA1DW

n/FT0RVVULr7fMV0Ykb8ztU=

OET6wvfsbaGp6O2/Rn9mBQ==

2Rb8gNoGR5GEwAeUhcs=

wR8Fc7imd8/3cQeUhcs=

rMZ/VOtX0kR/yV4Iyw==

9YIUqO7RR4iL5Cffi994

03AHmeAX+2F85Cnfi994

9QbOseAK0/c4SGJW

S1EDywDiYofETA==

ivZm1wDWR2hgAEFURn9mBQ==

D2pe4DygKUJKoLidIuwJo4PiKGhyZLPc

Signatures

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exeCasPol.exesystray.exe

description	pid	process	target process
PID 428 set thread context of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 1812 set thread context of 1076	1812	CasPol.exe	Explorer.EXE
PID 5092 set thread context of 1076	5092	systray.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

CasPol.exesystray.exe

pid	process
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
1812	CasPol.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe
5092	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1076 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

CasPol.exesystray.exe

pid process

1812 CasPol.exe
1812 CasPol.exe
1812 CasPol.exe
5092 systray.exe
5092 systray.exe
5092 systray.exe
5092 systray.exe

pid	process
1076	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exeCasPol.exesystray.exe

description	pid	process
Token: SeDebugPrivilege	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe
Token: SeDebugPrivilege	1812	CasPol.exe
Token: SeDebugPrivilege	5092	systray.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 428 wrote to memory of 1812	428	SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe	CasPol.exe
PID 1076 wrote to memory of 5092	1076	Explorer.EXE	systray.exe
PID 1076 wrote to memory of 5092	1076	Explorer.EXE	systray.exe
PID 1076 wrote to memory of 5092	1076	Explorer.EXE	systray.exe
PID 5092 wrote to memory of 3848	5092	systray.exe	Firefox.exe
PID 5092 wrote to memory of 3848	5092	systray.exe	Firefox.exe
PID 5092 wrote to memory of 3848	5092	systray.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Spy.AgentTesla.13645.3532.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1812

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/428-132-0x0000020BC70B0000-0x0000020BC7124000-memory.dmp

Filesize
464KB

Download
memory/428-133-0x00007FFC2EB10000-0x00007FFC2F5D1000-memory.dmp

Filesize
10.8MB

Download
memory/428-137-0x00007FFC2EB10000-0x00007FFC2F5D1000-memory.dmp

Filesize
10.8MB

Download
memory/1076-151-0x00000000033A0000-0x0000000003441000-memory.dmp

Filesize
644KB

Download
memory/1076-149-0x00000000033A0000-0x0000000003441000-memory.dmp

Filesize
644KB

Download
memory/1076-143-0x00000000085D0000-0x00000000086FA000-memory.dmp

Filesize
1.2MB

Download
memory/1812-139-0x00000000017C0000-0x0000000001B0A000-memory.dmp

Filesize
3.3MB

Download
memory/1812-141-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1812-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1812-142-0x0000000000FF0000-0x0000000001000000-memory.dmp

Filesize
64KB

Download
memory/1812-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1812-135-0x00000000004012B0-mapping.dmp

Download
memory/1812-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5092-144-0x0000000000000000-mapping.dmp

Download
memory/5092-145-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/5092-146-0x00000000010A0000-0x00000000010CD000-memory.dmp

Filesize
180KB

Download
memory/5092-147-0x0000000002F00000-0x000000000324A000-memory.dmp

Filesize
3.3MB

Download
memory/5092-148-0x0000000002D90000-0x0000000002E1F000-memory.dmp

Filesize
572KB

Download
memory/5092-150-0x00000000010A0000-0x00000000010CD000-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