formbook | 1968771402227e2db604f63085104459de416107146f4d21a50c6e6e866f4324

General

Target

808bc55dfd04bde28b5a81eeffa1be00N.exe
Size

1.7MB
MD5

808bc55dfd04bde28b5a81eeffa1be00
SHA1

1ac47e1d51466f5031b1096d40816abb90d36668
SHA256

1968771402227e2db604f63085104459de416107146f4d21a50c6e6e866f4324
SHA512

e8b2d3e05adcb2da69780f1a4cea88c7f830d9d9d3a41abacc2cdf22b06ed5992a77a61e142c2622e210bd981fa20f710183aa2efa164b60d3c6aaed4f227c59
SSDEEP

24576:0G/gSI7uzvdh53ATay0Lu9fE124K2Gzo/Xyhp4HtNLpTGLRvO4x:dgruLMayJWao/XC6B

Score

10^/10

formbook dcn0 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dcn0

Decoy

ZVx68vDtAMBCwg==

oBMBvsNORkM/O/ox

Ff9pISWkm6eG4lByIspp

c2T42c6CIIF6B8xTxm9XzpVw

bvjhxRbnAC183w==

0lTttSNG4HUDNflyIspp

hPXFlstqiHA/O/ox

WLR+MeerxZ0cNn1ja+IQAYo=

IHRn4xXOVKi477zarG+ObSy7YJA=

Xhf3e+tdAC183w==

Xk0ZAezv2rWH

kngo+vBeSRN7AszNwam3Osmguuqc0MoC

a2Qp7a+E8fSw7LDjpnqEKjsRZA==

3zjy4E7+QM48wg==

YcCmqT3OUNAigVott2pBKiy7YJA=

4+SMeX1juat/5cZ1AZihcyy7YJA=

/+m7sro0OBTl3TMpCw==

i2ctEfe4//a64yklMsgS2J90

+loZ2QKGX0UWgpvErMs=

b9BNCnJWQJS8IfsR0uR3bCy7YJA=

Signatures

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2520 set thread context of 1208	2520	SetupUtility.exe	20
PID 564 set thread context of 1208	564	explorer.exe	20

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SetupUtility.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2520	SetupUtility.exe
2520	SetupUtility.exe
2520	SetupUtility.exe
2520	SetupUtility.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe
564	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2520	SetupUtility.exe
2520	SetupUtility.exe
2520	SetupUtility.exe
564	explorer.exe
564	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	SetupUtility.exe
Token: SeDebugPrivilege	564	explorer.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 2056 wrote to memory of 2520	2056	808bc55dfd04bde28b5a81eeffa1be00N.exe	29
PID 1208 wrote to memory of 564	1208	Explorer.EXE	30
PID 1208 wrote to memory of 564	1208	Explorer.EXE	30
PID 1208 wrote to memory of 564	1208	Explorer.EXE	30
PID 1208 wrote to memory of 564	1208	Explorer.EXE	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\808bc55dfd04bde28b5a81eeffa1be00N.exe
  "C:\Users\Admin\AppData\Local\Temp\808bc55dfd04bde28b5a81eeffa1be00N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\SetupUtility.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\SetupUtility.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2520
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/564-16-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/564-15-0x0000000000140000-0x00000000003C1000-memory.dmp

Filesize
2.5MB

Download
memory/564-14-0x0000000000140000-0x00000000003C1000-memory.dmp

Filesize
2.5MB

Download
memory/1208-13-0x0000000004C40000-0x0000000004D2D000-memory.dmp

Filesize
948KB

Download
memory/1208-19-0x0000000004C40000-0x0000000004D2D000-memory.dmp

Filesize
948KB

Download
memory/1208-12-0x0000000003890000-0x0000000003990000-memory.dmp

Filesize
1024KB

Download
memory/2056-1-0x0000000001240000-0x0000000001402000-memory.dmp

Filesize
1.8MB

Download
memory/2056-2-0x000007FEF4D70000-0x000007FEF575C000-memory.dmp

Filesize
9.9MB

Download
memory/2056-3-0x0000000000D30000-0x0000000000DA2000-memory.dmp

Filesize
456KB

Download
memory/2056-0-0x000007FEF4D73000-0x000007FEF4D74000-memory.dmp

Filesize
4KB

Download
memory/2056-7-0x000007FEF4D70000-0x000007FEF575C000-memory.dmp

Filesize
9.9MB

Download
memory/2520-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2520-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2520-11-0x0000000000150000-0x0000000000160000-memory.dmp

Filesize
64KB

Download
memory/2520-8-0x0000000000DD0000-0x00000000010D3000-memory.dmp

Filesize
3.0MB

Download
memory/2520-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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