formbook | 1046455f39dbe56dc8cc160ebc53b5b32315021af4a871c06235a5257e02f123

General

Target

tmp.exe
Size

1.0MB
MD5

da04d6b7b1499842ee15fd06f0753a7b
SHA1

51ab26f7074d2836ea4e1c3b9f0a9e8eb6b57929
SHA256

1046455f39dbe56dc8cc160ebc53b5b32315021af4a871c06235a5257e02f123
SHA512

6023ed14d7abdbcd734050ba46162024fd7b39eddad5973e7bdf5de7b1bdc233822c1a4f6027b99f3cebafeb46a41c5fdc82c693beaaa335065316cfdb382852
SSDEEP

12288:NyqF7UsDy+vMCt3kzBXDanOmitbih4Lb/aUIYfa7N2NZiuEQDFFAQSQy4At:NJF0UD3kNTcJhmzPZWwAtQy4A

Score

10^/10

formbook s8gw rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

s8gw

Decoy

b/iFndOEL2rKvw==

HK7quAepCJH6CkNgpH2cDYx1

YEayMA+cR1WQ0Qw/lQ==

kPVNVkAC6pEPHVFQnzCxsA==

yLE1wrE7kf1KRGRm5a95qQ==

D6ktQZWoaOJGopmOlg==

98rmMok6y5e47YvCCMQNPaqM6qf+7PsEAQ==

7Po3fdN1NNtop0X5Ryv9PnUrSLQ=

+vk1DU92V465rf1+gFhdWMFoAsAY

AuhZ6jw45aHmPdzGVilx

/9ln8smKekiYzqePkA==

7+gsdtTlpqcSL0/GVilx

6pXLEOumjAfvK8Y=

inT5kfC0FBmcw/hw7NYua819

wb/qKZCjfrEiKFz9Vyn9chrZxA==

Pil1K4a6ruUXJ2fPD5qXo+2pNMn5VdCREA==

mxo3/mBm1hMSWd8=

8ltzwIsdiPpJXbK30JecDYx1

BmrK2y9G+VyimqzrK9YtmYY=

jPP9Q/IqWt3JQSZtvqI1jb9oAsAY

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 1288	1448	tmp.exe	27
PID 1288 set thread context of 1420	1288	tmp.exe	14
PID 1756 set thread context of 1420	1756	cmd.exe	14

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1288	tmp.exe
1288	tmp.exe
1288	tmp.exe
1288	tmp.exe
1756	cmd.exe
1756	cmd.exe
1756	cmd.exe
1756	cmd.exe
1756	cmd.exe
1756	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1288	tmp.exe
1288	tmp.exe
1288	tmp.exe
1756	cmd.exe
1756	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	tmp.exe
Token: SeDebugPrivilege	1756	cmd.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1448 wrote to memory of 1288	1448	tmp.exe	27
PID 1420 wrote to memory of 1756	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1756	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1756	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1756	1420	Explorer.EXE	28

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1288

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1288-66-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1288-68-0x0000000000150000-0x0000000000160000-memory.dmp

Filesize
64KB

Download
memory/1288-67-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/1288-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1288-61-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1288-63-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1420-78-0x00000000070F0000-0x0000000007218000-memory.dmp

Filesize
1.2MB

Download
memory/1420-76-0x00000000070F0000-0x0000000007218000-memory.dmp

Filesize
1.2MB

Download
memory/1420-69-0x0000000006B70000-0x0000000006CD9000-memory.dmp

Filesize
1.4MB

Download
memory/1448-59-0x00000000004D0000-0x0000000000502000-memory.dmp

Filesize
200KB

Download
memory/1448-54-0x0000000000F10000-0x0000000001018000-memory.dmp

Filesize
1.0MB

Download
memory/1448-58-0x0000000005560000-0x00000000055EC000-memory.dmp

Filesize
560KB

Download
memory/1448-57-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/1448-56-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download
memory/1448-55-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1756-71-0x000000004A3C0000-0x000000004A40C000-memory.dmp

Filesize
304KB

Download
memory/1756-72-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1756-73-0x0000000002110000-0x0000000002413000-memory.dmp

Filesize
3.0MB

Download
memory/1756-75-0x0000000001E40000-0x0000000001ECF000-memory.dmp

Filesize
572KB

Download
memory/1756-77-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download

Analysis

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