29ae2323ba55db42ad131386ef87f2748bc3fd98327b54a1bcc6378387494c8c

General

Target

9e37ed80e9b94624b4eb15b005cada730d941cfa.exe
Size

318KB
MD5

5570e31ee5a4dbcdde6b302867fbf790
SHA1

9e37ed80e9b94624b4eb15b005cada730d941cfa
SHA256

29ae2323ba55db42ad131386ef87f2748bc3fd98327b54a1bcc6378387494c8c
SHA512

95995c8877a967c6a0c8aba008bb4fa411df31e7b7105504b247a24c80d10fd157b1b0ca2f2350e9c59024ce6e29d525051d7d8f4fccd9ee629ce1a2385a2487
SSDEEP

6144:/Ya6Tsc4TrmPM1oY2QZ9w9wcBiPaJpKe8O9x7WwRG9PWx3H:/Yhscz0W44xgQAeRtWwRG9PI3

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1592	wavzoko.exe
4660	wavzoko.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wavzoko.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wavzoko.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wavzoko.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 4660	1592	wavzoko.exe	81

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1592	wavzoko.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	wavzoko.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 1592	4708	9e37ed80e9b94624b4eb15b005cada730d941cfa.exe	80
PID 4708 wrote to memory of 1592	4708	9e37ed80e9b94624b4eb15b005cada730d941cfa.exe	80
PID 4708 wrote to memory of 1592	4708	9e37ed80e9b94624b4eb15b005cada730d941cfa.exe	80
PID 1592 wrote to memory of 4660	1592	wavzoko.exe	81
PID 1592 wrote to memory of 4660	1592	wavzoko.exe	81
PID 1592 wrote to memory of 4660	1592	wavzoko.exe	81
PID 1592 wrote to memory of 4660	1592	wavzoko.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wavzoko.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wavzoko.exe

C:\Users\Admin\AppData\Local\Temp\9e37ed80e9b94624b4eb15b005cada730d941cfa.exe
"C:\Users\Admin\AppData\Local\Temp\9e37ed80e9b94624b4eb15b005cada730d941cfa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\wavzoko.exe
  "C:\Users\Admin\AppData\Local\Temp\wavzoko.exe" C:\Users\Admin\AppData\Local\Temp\tgrhauvyrc.by
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Users\Admin\AppData\Local\Temp\wavzoko.exe
    "C:\Users\Admin\AppData\Local\Temp\wavzoko.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tgrhauvyrc.by

Filesize
5KB

MD5
c19f417818f429bcc99e529909872359

SHA1
25d4d082dad2cf65bf44c58718317b409e01418b

SHA256
365f61059d937c3d4c847e134899bc6b8244730edb4fc5642d52b8ff0c8ee321

SHA512
4e868d0ed4591c3ff51d4d1abaffb5a765432244f0c63c582bc9fa9550c49d81b101cda076f8b97a7268d8d9ebfc97f1664a010aa24b1b9d91c7dc2f9cc1578a

Download Submit
C:\Users\Admin\AppData\Local\Temp\twtymfrs.nvh

Filesize
262KB

MD5
1e078a08a8d8857dabaab737913569e6

SHA1
f86a67a2e4135dd6516c0e618e85d933b2300798

SHA256
d5f5b2891cfe2279fe0e5da852131f79820ad1baa2aed177e3ca84908e5e345d

SHA512
33d05e411290db107d7fd34bd0fc4bfda6104eb52998492d2505b8d04750e95542e8e8776357d2205daa93b41be84c89c4bd12abcd441cd9d8c2a261ed5007d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

Filesize
112KB

MD5
2e21145755dcef581599802e78bd463f

SHA1
e140616627f35991ca3e326e8b54b862344ddb58

SHA256
bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

SHA512
299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

Download Submit
C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

Filesize
112KB

MD5
2e21145755dcef581599802e78bd463f

SHA1
e140616627f35991ca3e326e8b54b862344ddb58

SHA256
bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

SHA512
299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

Download Submit
C:\Users\Admin\AppData\Local\Temp\wavzoko.exe

Filesize
112KB

MD5
2e21145755dcef581599802e78bd463f

SHA1
e140616627f35991ca3e326e8b54b862344ddb58

SHA256
bb63247da14e18cbc29927b2266ec06ae423d1d6deb9b69eaa1817abe483183e

SHA512
299c398316ada37b424c75ea0303344945ac2333fdaafb3d561e1121fa0a5015761f11b00a5622ba6d636c2a497b906baf3e4a2d3a95be92a7510d5dacd7928f

Download Submit
memory/4660-139-0x0000000004AA0000-0x0000000005044000-memory.dmp

Filesize
5.6MB

Download
memory/4660-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4660-141-0x00000000049E0000-0x0000000004A46000-memory.dmp

Filesize
408KB

Download
memory/4660-142-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/4660-143-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/4660-144-0x00000000055B0000-0x0000000005600000-memory.dmp

Filesize
320KB

Download
memory/4660-145-0x0000000005C00000-0x0000000005DC2000-memory.dmp

Filesize
1.8MB

Download

Analysis

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