formbook | 4ec38c8028003269f3576dba1c4776266a9a8c4d26eb91e2148b1bc1a9994a7c

General

Target

MV TBN VESSEL-PARTICULARS.exe
Size

277KB
MD5

3e77705d1c4d75670cdb6221d07a2562
SHA1

a7c0b6609f1740d02270d7c6f1ee9851a26642c3
SHA256

4ec38c8028003269f3576dba1c4776266a9a8c4d26eb91e2148b1bc1a9994a7c
SHA512

0a4bed3e39f2d753a970336801121dac4891b4956e4c5b93069d407f15191dbcfac0219b399de2aeaa60af298ad4c1803aa9fc8902cdb6985f5e7e08c39e8e19
SSDEEP

6144:vaZ+bfg9FKfw7Jmv+e4uZk7/wA0mBJSrMQNrEA:vaZqgFMv+e4uZlmrXQP

Score

10^/10

formbook ermr rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

ermr

Decoy

ErOK6LFCgNIAlQmH54oaYOL/CN29Z78=

qNSdDhu/PT/1fgafDagiCSZH1SY=

wLpPOAkYS8EABl3pHGc4hNT/Q1sHBrU=

jSxRvptHkeTGl7PT0SEmaZmjqzanuA==

b91oL+2wCcpyhnd6yvF6Pg==

mr81yp1/qqZX

hy7Xsz/PU/LWHMcGL4UYJx9n3A==

KlwrHt1gouPaXaWhoQ==

ng8M320IRJL9Ptw=

8GQbOXuaWxvKnNM=

XndOL7E5sNpVUNty4d/a

rryPBBC8PybYb+2h2MF3FHGL

kEoeyERSVCYO0g==

5/P+SBDby5hO

1fYXc30/h9W7iO17

34X+YKR+wRFE

8ir/X2MlVByh5lQ1ow8=

u9ikm2UMZ7J7hpCYow==

FLI+c3clp1BNDjVAfvC2Dnw=

t21Erq8/r09wAzAJTAH3Ng==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exe

flow pid process

39 4288 msiexec.exe
49 4288 msiexec.exe
57 4288 msiexec.exe

flow	pid	process
39	4288	msiexec.exe
49	4288	msiexec.exe
57	4288	msiexec.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

Processes:

MV TBN VESSEL-PARTICULARS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	MV TBN VESSEL-PARTICULARS.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exeMV TBN VESSEL-PARTICULARS.exemsiexec.exe

description	pid	process	target process
PID 2732 set thread context of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 1580 set thread context of 3060	1580	MV TBN VESSEL-PARTICULARS.exe	Explorer.EXE
PID 4288 set thread context of 3060	4288	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

pid	process
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
1580	MV TBN VESSEL-PARTICULARS.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe
4288	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

pid process

1580 MV TBN VESSEL-PARTICULARS.exe
1580 MV TBN VESSEL-PARTICULARS.exe
1580 MV TBN VESSEL-PARTICULARS.exe
4288 msiexec.exe
4288 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1580 MV TBN VESSEL-PARTICULARS.exe
Token: SeDebugPrivilege 4288 msiexec.exe

pid	process
3060	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1580	MV TBN VESSEL-PARTICULARS.exe
Token: SeDebugPrivilege	4288	msiexec.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

MV TBN VESSEL-PARTICULARS.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 2732 wrote to memory of 1580	2732	MV TBN VESSEL-PARTICULARS.exe	MV TBN VESSEL-PARTICULARS.exe
PID 3060 wrote to memory of 4288	3060	Explorer.EXE	msiexec.exe
PID 3060 wrote to memory of 4288	3060	Explorer.EXE	msiexec.exe
PID 3060 wrote to memory of 4288	3060	Explorer.EXE	msiexec.exe
PID 4288 wrote to memory of 4636	4288	msiexec.exe	cmd.exe
PID 4288 wrote to memory of 4636	4288	msiexec.exe	cmd.exe
PID 4288 wrote to memory of 4636	4288	msiexec.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732

C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe
"C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1580

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4288

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\MV TBN VESSEL-PARTICULARS.exe"
3⤵
PID:4636

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/1580-135-0x0000000000000000-mapping.dmp

Download
memory/1580-136-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1580-138-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download
memory/1580-139-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

Filesize
68KB

Download
memory/1580-142-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2732-133-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/2732-134-0x00000000059A0000-0x0000000005A06000-memory.dmp

Filesize
408KB

Download
memory/2732-132-0x0000000000FB0000-0x0000000000FFA000-memory.dmp

Filesize
296KB

Download
memory/3060-149-0x0000000007E80000-0x0000000007F47000-memory.dmp

Filesize
796KB

Download
memory/3060-140-0x0000000002EC0000-0x0000000002FA4000-memory.dmp

Filesize
912KB

Download
memory/3060-150-0x0000000007E80000-0x0000000007F47000-memory.dmp

Filesize
796KB

Download
memory/4288-141-0x0000000000000000-mapping.dmp

Download
memory/4288-146-0x00000000025B0000-0x00000000028FA000-memory.dmp

Filesize
3.3MB

Download
memory/4288-147-0x00000000003C0000-0x00000000003ED000-memory.dmp

Filesize
180KB

Download
memory/4288-148-0x00000000022E0000-0x0000000002370000-memory.dmp

Filesize
576KB

Download
memory/4288-144-0x00000000003C0000-0x00000000003ED000-memory.dmp

Filesize
180KB

Download
memory/4288-143-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/4636-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads