b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4

General

Target

b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4.exe
Size

628KB
MD5

399935464053070d7d563688111ec538
SHA1

ae2c6be5624a4f9ac3a25d07492f91f090cbc855
SHA256

b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4
SHA512

dfc4a2c1b4fa33bbc366ad68aee8158cba8f7aede59b95de2ea440b9e9caca25dd55363f4b522f6f57b132adbaef95f415ebdfa5a1acb4dcefe315192bbee597
SSDEEP

12288:Nt4WgFT4sdX96+3lxGa75Qmvr0OMTHwtUH3OCzMdOh6:Nt43lvX931xGa7GmvgRTQtieCgdC6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2588	IsInvalid.exe

Loads dropped DLL 1 IoCs

pid	Process
2796	taskeng.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2588 set thread context of 1948	2588	IsInvalid.exe	29

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe
1948	AddInUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4.exe
Token: SeDebugPrivilege	2588	IsInvalid.exe
Token: SeDebugPrivilege	1948	AddInUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2588	2796	taskeng.exe	28
PID 2796 wrote to memory of 2588	2796	taskeng.exe	28
PID 2796 wrote to memory of 2588	2796	taskeng.exe	28
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29
PID 2588 wrote to memory of 1948	2588	IsInvalid.exe	29

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4.exe
"C:\Users\Admin\AppData\Local\Temp\b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2768

C:\Windows\system32\taskeng.exe
taskeng.exe {A525AB17-2001-4321-863F-E9B3679C8E1F} S-1-5-21-3750544865-3773649541-1858556521-1000:XOCYHKRS\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Roaming\MergeLogic\IsInvalid.exe
  C:\Users\Admin\AppData\Roaming\MergeLogic\IsInvalid.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ec432464fa62a2dea7f2156db880feeb

SHA1
556054c7b058b4353eff15f22333c28cd9c9a742

SHA256
47c8da99fd8b2684b14245adc4fa3abff1cf92277e3b9bf4d6b35c900184c8bf

SHA512
c2842a7acbf675f30ab0d04ccefc3748d0443d779586910ee562d3789ad7a0879c586ff9540cef41e7b1b8ed6ff2f9d64ee3bc926ff5c57e306e60d799f2ab44

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA6CC.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA71D.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Roaming\MergeLogic\IsInvalid.exe

Filesize
628KB

MD5
399935464053070d7d563688111ec538

SHA1
ae2c6be5624a4f9ac3a25d07492f91f090cbc855

SHA256
b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4

SHA512
dfc4a2c1b4fa33bbc366ad68aee8158cba8f7aede59b95de2ea440b9e9caca25dd55363f4b522f6f57b132adbaef95f415ebdfa5a1acb4dcefe315192bbee597

Download Submit
C:\Users\Admin\AppData\Roaming\MergeLogic\IsInvalid.exe

Filesize
628KB

MD5
399935464053070d7d563688111ec538

SHA1
ae2c6be5624a4f9ac3a25d07492f91f090cbc855

SHA256
b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4

SHA512
dfc4a2c1b4fa33bbc366ad68aee8158cba8f7aede59b95de2ea440b9e9caca25dd55363f4b522f6f57b132adbaef95f415ebdfa5a1acb4dcefe315192bbee597

Download Submit
\Users\Admin\AppData\Roaming\MergeLogic\IsInvalid.exe

Filesize
628KB

MD5
399935464053070d7d563688111ec538

SHA1
ae2c6be5624a4f9ac3a25d07492f91f090cbc855

SHA256
b8269de1184ce96e6dcfde6d0e1a00ac2d99db87fb72969bd2a6af2590afbbc4

SHA512
dfc4a2c1b4fa33bbc366ad68aee8158cba8f7aede59b95de2ea440b9e9caca25dd55363f4b522f6f57b132adbaef95f415ebdfa5a1acb4dcefe315192bbee597

Download Submit
memory/1948-36-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-31-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-33-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/1948-35-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-24-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/1948-98-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-32-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-34-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-30-0x000000001A8C0000-0x000000001A940000-memory.dmp

Filesize
512KB

Download
memory/1948-18-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/1948-29-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/1948-20-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/1948-21-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/1948-22-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp

Filesize
4KB

Download
memory/2588-19-0x000000001B7D0000-0x000000001B850000-memory.dmp

Filesize
512KB

Download
memory/2588-15-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2588-28-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2588-26-0x000000001B7D0000-0x000000001B850000-memory.dmp

Filesize
512KB

Download
memory/2588-17-0x000000001B7D0000-0x000000001B850000-memory.dmp

Filesize
512KB

Download
memory/2588-16-0x000000013F310000-0x000000013F3B2000-memory.dmp

Filesize
648KB

Download
memory/2768-10-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/2768-0-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/2768-7-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/2768-6-0x000000001AB70000-0x000000001ABC4000-memory.dmp

Filesize
336KB

Download
memory/2768-5-0x00000000006B0000-0x00000000006FC000-memory.dmp

Filesize
304KB

Download
memory/2768-4-0x0000000000150000-0x00000000001A6000-memory.dmp

Filesize
344KB

Download
memory/2768-3-0x000000001B880000-0x000000001B980000-memory.dmp

Filesize
1024KB

Download
memory/2768-2-0x000000001BA40000-0x000000001BAC0000-memory.dmp

Filesize
512KB

Download
memory/2768-1-0x000000013F370000-0x000000013F412000-memory.dmp

Filesize
648KB

Download

Analysis

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