formbook | 93e11bd9c359b03f6d2a3add3d1a109275eaadc5b9875b395f9d87e302db93dd

General

Target

RFQ PBMS 401055-STR-22.pdf.exe
Size

1.0MB
MD5

bbbffc29c40c5e0e4aba9fd4e2a677f9
SHA1

a9ab9ba1a90d144a6ba982003d2116a5b7dd42da
SHA256

93e11bd9c359b03f6d2a3add3d1a109275eaadc5b9875b395f9d87e302db93dd
SHA512

4381510e00a00b55e41e85cbfc4f67520570d43e1e76918679fba06812dcceebd8002e5f84b963a010c2f5f1c59f123f15b6ff6615ba174299166197845e228e
SSDEEP

12288:FSmZqMm9II2iNPv9sXAwe7CrtPVGVh9dpcjSJnu5lzAKp:ZTI1LWAt7YVkdTJn2lDp

Score

10^/10

formbook nworm mmtr downloader rat spyware stealer trojan worm

Malware Config

Extracted

Family

nworm

Version

v0.3.8

C2

svetanakravenova247.ddns.net:3498

Mutex

37f24ea7

Extracted

Family

formbook

Campaign

mmtr

Decoy

A2DZqKcj5ytLVZtHJA==

fMXPWQG+JWa0S6lZOg==

8kymMDxB6ShVJHxu2gshFtXY9Rw=

1TcOF6WxcdzplqFGcUCNkBY=

k3TLhZ+bOG7ahplcPA==

K4kL5Aq5abHNS6lZOg==

mXDSo9XmxlqYN6psOA==

m+RNCVT4shAb

G1kzROn+2jCug7F5psQ=

qNYsJkWzqwkZ

0BcDQuH0xt4oBh4=

pfRW4ZhmRsEiyvP2Mg==

Sqgj4eztyCg0Ezwo39iHXQ==

bIi2etJbcdUB

k2g3gBesND9hUoKOzGaVFKX6IuUaknqH1Q==

8dFDXQPnb4s+sWfhwoqOdgmABBK+YGg=

Pn9PmDzelx84EjfdzY0WkiRPz6i4

SrUfvOfNO3DMdLvB

GFXHQ9NuPdHsxOiU2umGMSiTvQE=

Kv9sdrhSbDfMdLvB

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
NWorm
A TrickBot module used to propagate to vulnerable domain controllers.
worm downloader nworm
Executes dropped EXE 2 IoCs

Processes:

tmp3208.tmpQ2Dmo8cwUrb1GWZ.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

pid process

4328 tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068 tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

pid	process
4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

RFQ PBMS 401055-STR-22.pdf.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	RFQ PBMS 401055-STR-22.pdf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ PBMS 401055-STR-22.pdf.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

description	pid	process	target process
PID 368 set thread context of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 4328 set thread context of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 1068 set thread context of 2724	1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

RFQ PBMS 401055-STR-22.pdf.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exemsiexec.exe

pid	process
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1384	RFQ PBMS 401055-STR-22.pdf.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1144	msiexec.exe
1144	msiexec.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

pid process

1068 tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068 tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068 tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

pid	process
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RFQ PBMS 401055-STR-22.pdf.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1384	RFQ PBMS 401055-STR-22.pdf.exe
Token: SeDebugPrivilege	1068	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
Token: SeDebugPrivilege	1144	msiexec.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

RFQ PBMS 401055-STR-22.pdf.exeRFQ PBMS 401055-STR-22.pdf.exetmp3208.tmpQ2Dmo8cwUrb1GWZ.exeExplorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2724

C:\Users\Admin\AppData\Local\Temp\RFQ PBMS 401055-STR-22.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ PBMS 401055-STR-22.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\RFQ PBMS 401055-STR-22.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ PBMS 401055-STR-22.pdf.exe"
3⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
"C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4328

C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
"C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe"
5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1068

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ PBMS 401055-STR-22.pdf.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
Filesize
1009KB

MD5
a8ba4d5116a3db61e57d8de3b578b869

SHA1
dce87e252cf55b8366897bbf2cfd6b11d989859f

SHA256
f1c99e2f74b4c7b6b98e43b946e6ec8e2515ff2fac0cab86fb2a37ebb641eb01

SHA512
2c6221bd7dd230239afac5ae20e30495b7617579406a1058ab85942f414a2d22abdf7d7b2e71e3b1ff7129f246e6d0f6150d0bd433b970f70f936bfe7f990d47

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
Filesize
1009KB

MD5
a8ba4d5116a3db61e57d8de3b578b869

SHA1
dce87e252cf55b8366897bbf2cfd6b11d989859f

SHA256
f1c99e2f74b4c7b6b98e43b946e6ec8e2515ff2fac0cab86fb2a37ebb641eb01

SHA512
2c6221bd7dd230239afac5ae20e30495b7617579406a1058ab85942f414a2d22abdf7d7b2e71e3b1ff7129f246e6d0f6150d0bd433b970f70f936bfe7f990d47

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
Filesize
1009KB

MD5
a8ba4d5116a3db61e57d8de3b578b869

SHA1
dce87e252cf55b8366897bbf2cfd6b11d989859f

SHA256
f1c99e2f74b4c7b6b98e43b946e6ec8e2515ff2fac0cab86fb2a37ebb641eb01

SHA512
2c6221bd7dd230239afac5ae20e30495b7617579406a1058ab85942f414a2d22abdf7d7b2e71e3b1ff7129f246e6d0f6150d0bd433b970f70f936bfe7f990d47

Download Submit
memory/368-133-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/368-134-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/368-135-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/368-136-0x000000000A400000-0x000000000A49C000-memory.dmp

Filesize
624KB

Download
memory/368-137-0x000000000A4A0000-0x000000000A506000-memory.dmp

Filesize
408KB

Download
memory/368-132-0x0000000000D80000-0x0000000000E86000-memory.dmp

Filesize
1.0MB

Download
memory/1068-162-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-165-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/1068-164-0x0000000001170000-0x00000000014BA000-memory.dmp

Filesize
3.3MB

Download
memory/1068-163-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1068-161-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-158-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1068-157-0x0000000000000000-mapping.dmp

Download
memory/1144-167-0x0000000000000000-mapping.dmp

Download
memory/1144-168-0x00000000007E0000-0x00000000007F2000-memory.dmp

Filesize
72KB

Download
memory/1144-169-0x00000000010D0000-0x00000000010FD000-memory.dmp

Filesize
180KB

Download
memory/1144-170-0x0000000002F70000-0x00000000032BA000-memory.dmp

Filesize
3.3MB

Download
memory/1384-141-0x0000000006FF0000-0x0000000007618000-memory.dmp

Filesize
6.2MB

Download
memory/1384-146-0x0000000007760000-0x0000000007782000-memory.dmp

Filesize
136KB

Download
memory/1384-152-0x0000000008860000-0x0000000008868000-memory.dmp

Filesize
32KB

Download
memory/1384-138-0x0000000000000000-mapping.dmp

Download
memory/1384-151-0x0000000008600000-0x000000000860A000-memory.dmp

Filesize
40KB

Download
memory/1384-150-0x0000000007D50000-0x0000000007D72000-memory.dmp

Filesize
136KB

Download
memory/1384-149-0x0000000007CB0000-0x0000000007D16000-memory.dmp

Filesize
408KB

Download
memory/1384-148-0x00000000078A0000-0x00000000078EA000-memory.dmp

Filesize
296KB

Download
memory/1384-147-0x0000000006FD0000-0x0000000006FEE000-memory.dmp

Filesize
120KB

Download
memory/1384-139-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1384-145-0x0000000007800000-0x0000000007896000-memory.dmp

Filesize
600KB

Download
memory/1384-142-0x0000000006F90000-0x0000000006FAA000-memory.dmp

Filesize
104KB

Download
memory/1384-144-0x0000000007DE0000-0x000000000845A000-memory.dmp

Filesize
6.5MB

Download
memory/1384-143-0x0000000007720000-0x0000000007756000-memory.dmp

Filesize
216KB

Download
memory/2724-166-0x0000000002D00000-0x0000000002DE6000-memory.dmp

Filesize
920KB

Download
memory/4328-153-0x0000000000000000-mapping.dmp

Download
memory/4328-156-0x0000000000470000-0x0000000000572000-memory.dmp

Filesize
1.0MB

Download

description	pid	process	target process
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 368 wrote to memory of 1384	368	RFQ PBMS 401055-STR-22.pdf.exe	RFQ PBMS 401055-STR-22.pdf.exe
PID 1384 wrote to memory of 4328	1384	RFQ PBMS 401055-STR-22.pdf.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 1384 wrote to memory of 4328	1384	RFQ PBMS 401055-STR-22.pdf.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 1384 wrote to memory of 4328	1384	RFQ PBMS 401055-STR-22.pdf.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 4328 wrote to memory of 1068	4328	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe	tmp3208.tmpQ2Dmo8cwUrb1GWZ.exe
PID 2724 wrote to memory of 1144	2724	Explorer.EXE	msiexec.exe
PID 2724 wrote to memory of 1144	2724	Explorer.EXE	msiexec.exe
PID 2724 wrote to memory of 1144	2724	Explorer.EXE	msiexec.exe

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads