formbook | 7a73079ae74c6c75f4f72bdae2437960533e8532a26b10dc98df4d8caf272f5e

General

Target

DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe
Size

461KB
MD5

26860d51fddf664076d1cf601e43ba1d
SHA1

dcd3fa1f67c3a7496caebd09c40cf8c6e5846c53
SHA256

7a73079ae74c6c75f4f72bdae2437960533e8532a26b10dc98df4d8caf272f5e
SHA512

e7aca103565635e73a5ce0fe64027dfdec356390f39537aec134611a6aeee176f666e5aada2cae90cebb7d3002bce43c0c251a79f28d95a09ca1a36e159dd513
SSDEEP

12288:vj3ZrR7VyT/IdT5D7E61U6NolW1M6wRs:vj9Rs/IdFPU6+l0

Score

10^/10

formbook xloader nrln loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

nrln

Decoy

IG7zJSm49UqTTuu/N/oTCIg=

CVLdAPgw0CRSMuZnRRU=

PiA5Z3umP2NyX81VGQhjWyS59nFYhXiG

5i6p4GeQqtBgNRfGNQ==

5984keYswxh8mGZHz4ipAHtQ

VNJaK4Gh0CrOvHpW/p353A==

71rEtrL2icToyKGhcWrTxjsFU5T98zeO

r3q1sy1iZaL+2XIUAob7yw==

9+83Qkrk/vV/jVXsDvoTCIg=

aMFAgYF1prov8/UErH/Y1A==

Alqtx/0rxwEbCLdudftl

ImCbnglBSUHF0mv2tTSP40bPeYao

s4DFNvAJ4GIJ+g==

phOa6mtS8QQICuZnRRU=

7TSu5vqRtB45EZtf4WDSTBHPeYao

ImPWqwUUIVWMQLyMbUab7tmspvNCcT8=

HF7jKjbGox2SAffTPw==

yAM3mOQot5l+cD0ikR5MGp8=

UYzW0/8z70JcQenVLidu1kLPeYao

OoCznp5UWz+hT9OBFXbfVhXPeYao

Extracted

Family

xloader

Version

3.8

Campaign

nrln

Decoy

IG7zJSm49UqTTuu/N/oTCIg=

CVLdAPgw0CRSMuZnRRU=

PiA5Z3umP2NyX81VGQhjWyS59nFYhXiG

5i6p4GeQqtBgNRfGNQ==

5984keYswxh8mGZHz4ipAHtQ

VNJaK4Gh0CrOvHpW/p353A==

71rEtrL2icToyKGhcWrTxjsFU5T98zeO

r3q1sy1iZaL+2XIUAob7yw==

9+83Qkrk/vV/jVXsDvoTCIg=

aMFAgYF1prov8/UErH/Y1A==

Alqtx/0rxwEbCLdudftl

ImCbnglBSUHF0mv2tTSP40bPeYao

s4DFNvAJ4GIJ+g==

phOa6mtS8QQICuZnRRU=

7TSu5vqRtB45EZtf4WDSTBHPeYao

ImPWqwUUIVWMQLyMbUab7tmspvNCcT8=

HF7jKjbGox2SAffTPw==

yAM3mOQot5l+cD0ikR5MGp8=

UYzW0/8z70JcQenVLidu1kLPeYao

OoCznp5UWz+hT9OBFXbfVhXPeYao

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	1932	msiexec.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 2000 set thread context of 1216	2000	aspnet_compiler.exe	12
PID 1932 set thread context of 1216	1932	msiexec.exe	12

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2000	aspnet_compiler.exe
2000	aspnet_compiler.exe
2000	aspnet_compiler.exe
2000	aspnet_compiler.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2000	aspnet_compiler.exe
2000	aspnet_compiler.exe
2000	aspnet_compiler.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe
1932	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	aspnet_compiler.exe
Token: SeDebugPrivilege	1932	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1884 wrote to memory of 2000	1884	DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe	27
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1216 wrote to memory of 1932	1216	Explorer.EXE	28
PID 1932 wrote to memory of 1112	1932	msiexec.exe	31
PID 1932 wrote to memory of 1112	1932	msiexec.exe	31
PID 1932 wrote to memory of 1112	1932	msiexec.exe	31
PID 1932 wrote to memory of 1112	1932	msiexec.exe	31
PID 1932 wrote to memory of 1112	1932	msiexec.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DOCUMENTO DE ENVÍO DE DHL AWB _111832457673,pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2000
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
1.0MB

MD5
ce5c15b5092877974d5b6476ad1cb2d7

SHA1
76a6fc307d1524081cba1886d312df97c9dd658f

SHA256
1f1a186ea26bd2462ea2a9cf35a816b92caf0897fdf332af3a61569e0ba97b24

SHA512
bb9ced38c63d2a29e18c38f60020cfdf0161384cd4ad6328352626643becdf49f6b4bef47012391720344fdd8ad520aa802dcbbed15b5026d27eb93b0a839c90

Download Submit
memory/1216-69-0x0000000006590000-0x000000000668B000-memory.dmp

Filesize
1004KB

Download
memory/1216-80-0x0000000006BC0000-0x0000000006CFB000-memory.dmp

Filesize
1.2MB

Download
memory/1216-78-0x0000000006BC0000-0x0000000006CFB000-memory.dmp

Filesize
1.2MB

Download
memory/1884-55-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1884-56-0x0000000000250000-0x000000000025C000-memory.dmp

Filesize
48KB

Download
memory/1884-57-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/1884-54-0x0000000001370000-0x00000000013E4000-memory.dmp

Filesize
464KB

Download
memory/1932-75-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1932-79-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1932-77-0x0000000001E60000-0x0000000001EEF000-memory.dmp

Filesize
572KB

Download
memory/1932-76-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/1932-74-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/1932-73-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/2000-72-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2000-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2000-65-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2000-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2000-68-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/2000-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2000-67-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2000-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2000-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads