formbook | 0e00f12317743737906e4779e5a936985e8ee76a8254a7ef81f67a5509e9f524

General

Target

ungziped_file.exe
Size

224KB
MD5

c7eac5a7087af67171d5515c27d6f927
SHA1

3e036ca39fab2b5e47aa297b5951954ac45dc6f6
SHA256

0e00f12317743737906e4779e5a936985e8ee76a8254a7ef81f67a5509e9f524
SHA512

cd8f759a09101917d053cbcf3a2269709711e959ac7c655813b8d288da6a507fedd42b06f9fc5a7e17298607543317ccf3fde2754ac7c0120d3513558ac071d5
SSDEEP

6144:qweEpSKY3hdH6CVjlmaEJlnXEGkCnFSN6xZkfpNvpJ:bSN6mlFm0GkiCSChNj

Score

10^/10

formbook 0nta rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

0nta

Decoy

gbsCquDKPUb+i0Rm

eccFwzyxeEotI8Ul4YIzPg==

bdsn2Sl9Bol+2aFJ6MKrx3NcrN+kLrA=

SLPEtzgs6DQUEdHiW3vibToq

Bl967wbymDrsQ18=

BWvuZozwNlwVYjPGv4hDOw==

L5nwqf9dGOOqwX+MGq2BhkBzz+ne

X6uAMol2Y9eex43gdg4=

0jFwFmPSjKJeT0s=

O3q7eQw18Jxs

R6HrqxiWheCCueVv

K2V+CD6jnKBbVPYHy89ho8I=

YLcAq+U9+uDgOfvdLvzp

kQPCgwDontKJxI3gdg4=

aeIPy0axLpNaaA52M8aGxaNE/Qk=

9T97HXSZjG1l

Nm9n0uvKQ0j+i0Rm

DIKJzOFACPe0LwgytIse0U/TqkgGhA==

Ya+2H09GvMXEEiy/0GLibToq

cruIS/BVRkv8+LjVkzTibToq

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1080	gzngw.exe
2028	gzngw.exe

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-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	gzngw.exe

Loads dropped DLL 3 IoCs

pid	Process
1292	ungziped_file.exe
1080	gzngw.exe
884	help.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 2028	1080	gzngw.exe	28
PID 2028 set thread context of 1200	2028	gzngw.exe	13
PID 884 set thread context of 1200	884	help.exe	13

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2028	gzngw.exe
2028	gzngw.exe
2028	gzngw.exe
2028	gzngw.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1080	gzngw.exe
2028	gzngw.exe
2028	gzngw.exe
2028	gzngw.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	gzngw.exe
Token: SeDebugPrivilege	884	help.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1080	1292	ungziped_file.exe	27
PID 1292 wrote to memory of 1080	1292	ungziped_file.exe	27
PID 1292 wrote to memory of 1080	1292	ungziped_file.exe	27
PID 1292 wrote to memory of 1080	1292	ungziped_file.exe	27
PID 1080 wrote to memory of 2028	1080	gzngw.exe	28
PID 1080 wrote to memory of 2028	1080	gzngw.exe	28
PID 1080 wrote to memory of 2028	1080	gzngw.exe	28
PID 1080 wrote to memory of 2028	1080	gzngw.exe	28
PID 1080 wrote to memory of 2028	1080	gzngw.exe	28
PID 1200 wrote to memory of 884	1200	Explorer.EXE	29
PID 1200 wrote to memory of 884	1200	Explorer.EXE	29
PID 1200 wrote to memory of 884	1200	Explorer.EXE	29
PID 1200 wrote to memory of 884	1200	Explorer.EXE	29
PID 884 wrote to memory of 1072	884	help.exe	32
PID 884 wrote to memory of 1072	884	help.exe	32
PID 884 wrote to memory of 1072	884	help.exe	32
PID 884 wrote to memory of 1072	884	help.exe	32
PID 884 wrote to memory of 1072	884	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe
  "C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Users\Admin\AppData\Local\Temp\gzngw.exe
    "C:\Users\Admin\AppData\Local\Temp\gzngw.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1080
  - - C:\Users\Admin\AppData\Local\Temp\gzngw.exe
      "C:\Users\Admin\AppData\Local\Temp\gzngw.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2028
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - 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:884
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dugjm.px

Filesize
185KB

MD5
58f883c6ade9799e5ea410b3000e380d

SHA1
9f21c9484b58a2de5bf9b11f326b0b709353fe3a

SHA256
10dc6aac229a480f48405dcce09639ea8d2d520c914716156bc0c6776b448284

SHA512
ba355cff6a814d64b4b45cd1aed7d345c8e05988569802b87493e32cbccca715fc2d7d6fad46656b2b41c7c7ad2f47a7ef07c5617a954d37be5488a14f5e9b63

Download Submit
C:\Users\Admin\AppData\Local\Temp\gzngw.exe

Filesize
5KB

MD5
0fcdb62de7d35829dfa51b6d6ee9f2e6

SHA1
338ee367b5e6f680934672d8084809b267e84304

SHA256
cc08335d8d4f76c90e782adfe5e5bc66720edd7f841f261b6fb6586872cde093

SHA512
acf9e17527716f5d50a8be7139e88d918fa92b6ac3a88c1323fe21398a8da505b1a8d3623dddc12b4d02bdab2eef7419973d46542c9b076cc5ff6d4210ba79da

Download Submit
C:\Users\Admin\AppData\Local\Temp\gzngw.exe

Filesize
5KB

MD5
0fcdb62de7d35829dfa51b6d6ee9f2e6

SHA1
338ee367b5e6f680934672d8084809b267e84304

SHA256
cc08335d8d4f76c90e782adfe5e5bc66720edd7f841f261b6fb6586872cde093

SHA512
acf9e17527716f5d50a8be7139e88d918fa92b6ac3a88c1323fe21398a8da505b1a8d3623dddc12b4d02bdab2eef7419973d46542c9b076cc5ff6d4210ba79da

Download Submit
C:\Users\Admin\AppData\Local\Temp\gzngw.exe

Filesize
5KB

MD5
0fcdb62de7d35829dfa51b6d6ee9f2e6

SHA1
338ee367b5e6f680934672d8084809b267e84304

SHA256
cc08335d8d4f76c90e782adfe5e5bc66720edd7f841f261b6fb6586872cde093

SHA512
acf9e17527716f5d50a8be7139e88d918fa92b6ac3a88c1323fe21398a8da505b1a8d3623dddc12b4d02bdab2eef7419973d46542c9b076cc5ff6d4210ba79da

Download Submit
C:\Users\Admin\AppData\Local\Temp\tlmne.rd

Filesize
5KB

MD5
0a582f0b283ddea2dac9a3d70f712070

SHA1
4c0aadceaf3a25aabc134a374ef21119683d224d

SHA256
dd186c1fb47b9f205068862c9b44bf831b36a2576dfa5bf2185d0ef9d34a3d32

SHA512
16c3716300eb0c4ef35eb78167239d103bc3e948d6419efb1cb3ceb4b3ca25222085aa8a70e8feb0b3cebd9055ead1eb1475cd423cf9ea9f80f2092a437bcf97

Download Submit
\Users\Admin\AppData\Local\Temp\gzngw.exe

Filesize
5KB

MD5
0fcdb62de7d35829dfa51b6d6ee9f2e6

SHA1
338ee367b5e6f680934672d8084809b267e84304

SHA256
cc08335d8d4f76c90e782adfe5e5bc66720edd7f841f261b6fb6586872cde093

SHA512
acf9e17527716f5d50a8be7139e88d918fa92b6ac3a88c1323fe21398a8da505b1a8d3623dddc12b4d02bdab2eef7419973d46542c9b076cc5ff6d4210ba79da

Download Submit
\Users\Admin\AppData\Local\Temp\gzngw.exe

Filesize
5KB

MD5
0fcdb62de7d35829dfa51b6d6ee9f2e6

SHA1
338ee367b5e6f680934672d8084809b267e84304

SHA256
cc08335d8d4f76c90e782adfe5e5bc66720edd7f841f261b6fb6586872cde093

SHA512
acf9e17527716f5d50a8be7139e88d918fa92b6ac3a88c1323fe21398a8da505b1a8d3623dddc12b4d02bdab2eef7419973d46542c9b076cc5ff6d4210ba79da

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

Filesize
932KB

MD5
661fd92d4eaeea3740649af5a484d7c8

SHA1
c93f868890fee1475f8ec9e7607e26f5dce67d54

SHA256
58a478f0560ea22c1bc194263f07cf6f3ecfe47d0c8b534a7bba185f28a1141f

SHA512
1fac03c20139fde41d121e0adbd02d127261ce061509996087fc1c80baf2fe0d0f70fed6b83d38a85cfa2e07d038ff809161c7ecce31ec44ac8b89740d3db15d

Download Submit
memory/884-72-0x00000000007A0000-0x0000000000AA3000-memory.dmp

Filesize
3.0MB

Download
memory/884-73-0x00000000005F0000-0x000000000067F000-memory.dmp

Filesize
572KB

Download
memory/884-75-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/884-70-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/884-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1200-76-0x0000000007540000-0x00000000076A0000-memory.dmp

Filesize
1.4MB

Download
memory/1200-74-0x0000000007540000-0x00000000076A0000-memory.dmp

Filesize
1.4MB

Download
memory/1200-68-0x0000000004E00000-0x0000000004EEE000-memory.dmp

Filesize
952KB

Download
memory/1292-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/2028-67-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/2028-66-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2028-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2028-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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