formbook | 33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa

General

Target

kCGCNKYCnqgQSEJ.exe
Size

552KB
MD5

e823afd1e909b794b2f2602ecadd15cc
SHA1

4c6d24c796faebc2b54f981e2f8127187b08aa4b
SHA256

33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa
SHA512

8a45b1d0910ad632a73f3d23d5c3dc63f745ffb3e318c91f4826a80666c983d5308abec58f708749124a84e101c97f6302ad3c2320016cbc18bfe8092a9e20b1
SSDEEP

6144:KoLEvklriDeOCH0IG0ocHtIgzH7R4u8pHrjstXlTna84yMDFqrnHKzYPrAV3+go4:FGqGNoC4P8Lj87QyMUjHZi3+U49jq

Score

10^/10

formbook rjwn rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

rjwn

Decoy

03o7kR/VYOT8r06ry8Ku

nhzRGt5dmI+rX14=

fxLQJLh1IdH3jGuZ1KBvy/sK4Q==

GAU9GqrQnwWRKMfS7KTmrg==

xyidkidiZ/CAIrOchLc38Ckd

qpaUZjfKUOAKBI+C1Q==

tn919W/lRcHaoraZK53frA==

zEQOdA3OY/EHnYvF7KTmrg==

MJALDhT0sw68hUTcnNMUVI/EiWY=

FwpKMs0PRYvGVxbSy3mxZtw=

9IBBwo1zU45kK0M=

baAZGqfBu1HmiS0OWuM38Ckd

+fUxM/QxXJmvPfzwdUI=

WZYOXSolDIEOz9lzR0c4UAA71p19tw==

n6Hftzs+TYbFBI+C1Q==

UdyBA9GXFou2hZJ1/W9ihcM=

jrgyH63jDVl3Rg3KVAhYg8M=

74f/sGdLgw0RrxLszsOs

rivUOgDVVdIGBI+C1Q==

eZ0hfm//kK/IgQ==

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

Processes:

kCGCNKYCnqgQSEJ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	kCGCNKYCnqgQSEJ.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

kCGCNKYCnqgQSEJ.exekCGCNKYCnqgQSEJ.exesvchost.exe

description	pid	process	target process
PID 5084 set thread context of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 2832 set thread context of 1192	2832	kCGCNKYCnqgQSEJ.exe	Explorer.EXE
PID 4256 set thread context of 1192	4256	svchost.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

kCGCNKYCnqgQSEJ.exesvchost.exe

pid	process
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
2832	kCGCNKYCnqgQSEJ.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

kCGCNKYCnqgQSEJ.exesvchost.exe

pid process

2832 kCGCNKYCnqgQSEJ.exe
2832 kCGCNKYCnqgQSEJ.exe
2832 kCGCNKYCnqgQSEJ.exe
4256 svchost.exe
4256 svchost.exe
4256 svchost.exe
4256 svchost.exe

pid	process
1192	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

kCGCNKYCnqgQSEJ.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2832	kCGCNKYCnqgQSEJ.exe
Token: SeDebugPrivilege	4256	svchost.exe
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE
Token: SeShutdownPrivilege	1192	Explorer.EXE
Token: SeCreatePagefilePrivilege	1192	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
1192 Explorer.EXE

pid	process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

kCGCNKYCnqgQSEJ.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 5084 wrote to memory of 2832	5084	kCGCNKYCnqgQSEJ.exe	kCGCNKYCnqgQSEJ.exe
PID 1192 wrote to memory of 4256	1192	Explorer.EXE	svchost.exe
PID 1192 wrote to memory of 4256	1192	Explorer.EXE	svchost.exe
PID 1192 wrote to memory of 4256	1192	Explorer.EXE	svchost.exe
PID 4256 wrote to memory of 1660	4256	svchost.exe	Firefox.exe
PID 4256 wrote to memory of 1660	4256	svchost.exe	Firefox.exe
PID 4256 wrote to memory of 1660	4256	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\kCGCNKYCnqgQSEJ.exe
"C:\Users\Admin\AppData\Local\Temp\kCGCNKYCnqgQSEJ.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5084

C:\Users\Admin\AppData\Local\Temp\kCGCNKYCnqgQSEJ.exe
"C:\Users\Admin\AppData\Local\Temp\kCGCNKYCnqgQSEJ.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2832

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1660

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1192-156-0x0000000002520000-0x0000000002611000-memory.dmp

Filesize
964KB

Download
memory/1192-155-0x0000000002520000-0x0000000002611000-memory.dmp

Filesize
964KB

Download
memory/1192-146-0x0000000007D80000-0x0000000007E87000-memory.dmp

Filesize
1.0MB

Download
memory/2832-145-0x0000000001050000-0x0000000001060000-memory.dmp

Filesize
64KB

Download
memory/2832-148-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2832-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-138-0x0000000000000000-mapping.dmp

Download
memory/2832-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-142-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2832-144-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/4256-149-0x0000000000000000-mapping.dmp

Download
memory/4256-150-0x00000000008F0000-0x00000000008FE000-memory.dmp

Filesize
56KB

Download
memory/4256-151-0x0000000000600000-0x000000000062D000-memory.dmp

Filesize
180KB

Download
memory/4256-152-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/4256-153-0x0000000000600000-0x000000000062D000-memory.dmp

Filesize
180KB

Download
memory/4256-154-0x0000000000900000-0x000000000098F000-memory.dmp

Filesize
572KB

Download
memory/5084-137-0x0000000007800000-0x000000000789C000-memory.dmp

Filesize
624KB

Download
memory/5084-136-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/5084-135-0x0000000005320000-0x00000000054C6000-memory.dmp

Filesize
1.6MB

Download
memory/5084-132-0x0000000000580000-0x000000000060A000-memory.dmp

Filesize
552KB

Download
memory/5084-134-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/5084-133-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads