88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f

Analysis

max time kernel
163s
max time network
181s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 20:30

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General

Target

88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe
Size

128KB
MD5

4ed95e11b2590a325bc331948b5dadf0
SHA1

6191ac3bc8fada23f17d0cca8de4771789077964
SHA256

88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f
SHA512

665bfd0c7d5e94bb8d981396b41a5ff57ca35a1c26e1d92408947ed81ce949252e274f9aea0a58464a3fd18e82de9c9f526ef7fa16d276cebd38c89ed4f3506c
SSDEEP

3072:BP5bphozgKWNJ4NJxPR1A7vrnCM49e/HTyRvuppUhIN5ikuRGrgZn:fKgJGNy0f

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\28623 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccofao.cmd"	msiexec.exe

Blocklisted process makes network request 37 IoCs

flow	pid	Process
3	1264	msiexec.exe
4	1264	msiexec.exe
5	1264	msiexec.exe
6	1264	msiexec.exe
7	1264	msiexec.exe
8	1264	msiexec.exe
9	1264	msiexec.exe
10	1264	msiexec.exe
11	1264	msiexec.exe
12	1264	msiexec.exe
13	1264	msiexec.exe
14	1264	msiexec.exe
15	1264	msiexec.exe
16	1264	msiexec.exe
17	1264	msiexec.exe
18	1264	msiexec.exe
19	1264	msiexec.exe
20	1264	msiexec.exe
21	1264	msiexec.exe
22	1264	msiexec.exe
23	1264	msiexec.exe
24	1264	msiexec.exe
25	1264	msiexec.exe
26	1264	msiexec.exe
27	1264	msiexec.exe
28	1264	msiexec.exe
29	1264	msiexec.exe
30	1264	msiexec.exe
31	1264	msiexec.exe
32	1264	msiexec.exe
33	1264	msiexec.exe
34	1264	msiexec.exe
35	1264	msiexec.exe
36	1264	msiexec.exe
37	1264	msiexec.exe
38	1264	msiexec.exe
39	1264	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 884 set thread context of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\ccofao.cmd	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe
1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 884 wrote to memory of 1732	884	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	28
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29
PID 1732 wrote to memory of 1264	1732	88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe	29

C:\Users\Admin\AppData\Local\Temp\88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe
"C:\Users\Admin\AppData\Local\Temp\88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\Local\Temp\88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe
  "C:\Users\Admin\AppData\Local\Temp\88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\syswow64\msiexec.exe
    C:\Windows\syswow64\msiexec.exe
    3⤵
    - Adds policy Run key to start application
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    PID:1264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f.exe

Filesize
128KB

MD5
4ed95e11b2590a325bc331948b5dadf0

SHA1
6191ac3bc8fada23f17d0cca8de4771789077964

SHA256
88a4af15d7840caa6b92d9404f9bfca0cf5776331b1ff3fd5c86dbc4982e3c1f

SHA512
665bfd0c7d5e94bb8d981396b41a5ff57ca35a1c26e1d92408947ed81ce949252e274f9aea0a58464a3fd18e82de9c9f526ef7fa16d276cebd38c89ed4f3506c

Download Submit
memory/1264-64-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/1264-65-0x00000000005D0000-0x00000000005E4000-memory.dmp

Filesize
80KB

Download
memory/1264-66-0x00000000001C0000-0x00000000001C5000-memory.dmp

Filesize
20KB

Download
memory/1264-67-0x00000000001C0000-0x00000000001C5000-memory.dmp

Filesize
20KB

Download
memory/1732-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1732-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1732-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1732-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1732-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download