4e4e86c46d7692a1e2f9054a41e1570ad71be485df0bdcc4476e3a2f0d5c6f8e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 21:33

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General

Target

SynapseZAPI.pdb
Size

23KB
MD5

9077418e926803d375aa49030de325fd
SHA1

968e2d8e717bb8c602521c2ecffe2320c723542f
SHA256

4e4e86c46d7692a1e2f9054a41e1570ad71be485df0bdcc4476e3a2f0d5c6f8e
SHA512

5af306cb8b4622c93e32e797834e8dcd2d63d3baaa194e275e03bcf31920891b24de1d062e3ea3b41a3982f75fd9132a453cb2ce97c2b117327fd8a235c78ce8
SSDEEP

192:KAPbAPVdAPxAPVdAPqmEE+YAHUP4Rmqtx1MREV6uGWV6UG:l4sysXNoUgqL

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pdb_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2760	2604	cmd.exe	31
PID 2604 wrote to memory of 2760	2604	cmd.exe	31
PID 2604 wrote to memory of 2760	2604	cmd.exe	31
PID 2760 wrote to memory of 2356	2760	rundll32.exe	32
PID 2760 wrote to memory of 2356	2760	rundll32.exe	32
PID 2760 wrote to memory of 2356	2760	rundll32.exe	32
PID 2760 wrote to memory of 2356	2760	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SynapseZAPI.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SynapseZAPI.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\SynapseZAPI.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
80c93ebd9d14a8f0fe724f8d0609deb5

SHA1
bc14b02268fa15cf0c779b57a5cccd4c076b985a

SHA256
d0db46fdf5d6106ddb1b3cffb7396557126661f4a569de2c9d68d74386ae7935

SHA512
3971bbace2f153f3cbfa511e0b91d0ae39d6d1594fe36b56b66b953d42b40c0f7c9696ba60017631e5e2127bb104e3fb1790f6b6d7b5e838a79eba113713788e

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