d86bc814e4ba746e0a25e7d84e9bcb09a24d823c4399b67987fa499d15bc8296

General

Target

sample.exe
Size

232KB
MD5

cebcd8313ba1ac74b30bc1c81a3a3a8f
SHA1

529a5e8f55a418db2ea054dc17bd63eaf6603b99
SHA256

1fd2d0c7d504be306ecaaf6e852142ca053950c386e3fd6ee8a1f2138ed89312
SHA512

6a9b3d4be974fcaa987f264db24d547254175b55b0df7767aacbae1890344b412a22819b2aab7da1e9f6aefaf665a2c32b6495d1872e4b67a83b30416701d3c3

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 14 IoCs

discovery

File Permissions Modification

T1222

Processes:

takeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exetakeown.exe

pid	process
584	takeown.exe
1760	takeown.exe
588	takeown.exe
1992	takeown.exe
1472	takeown.exe
1128	takeown.exe
776	takeown.exe
1564	takeown.exe
1504	takeown.exe
1860	takeown.exe
1572	takeown.exe
1596	takeown.exe
1368	takeown.exe
1348	takeown.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sample.exe

description pid process

Token: SeDebugPrivilege 2036 sample.exe

description	pid	process
Token: SeDebugPrivilege	2036	sample.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

sample.exe

description	pid	process	target process
PID 2036 wrote to memory of 1572	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1572	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1572	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 588	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 588	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 588	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1596	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1596	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1596	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1368	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1368	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1368	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1348	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1348	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1348	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 776	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 776	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 776	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1564	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1564	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1564	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1992	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1992	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1992	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1472	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1472	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1472	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1128	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1128	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1128	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1504	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1504	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1504	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1860	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1860	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1860	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 584	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 584	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 584	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1760	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1760	2036	sample.exe	takeown.exe
PID 2036 wrote to memory of 1760	2036	sample.exe	takeown.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\deployment.properties
2⤵
- Modifies file permissions
PID:1572

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\NTUSER.DAT
2⤵
- Modifies file permissions
PID:588

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\ntuser.dat.LOG1
2⤵
- Modifies file permissions
PID:1596

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\ntuser.dat.LOG2
2⤵
- Modifies file permissions
PID:1368

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\NTUSER.DAT{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.TM.blf
2⤵
- Modifies file permissions
PID:1348

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\NTUSER.DAT{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.TMContainer00000000000000000001.regtrans-ms
2⤵
- Modifies file permissions
PID:776

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\NTUSER.DAT{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.TMContainer00000000000000000002.regtrans-ms
2⤵
- Modifies file permissions
PID:1564

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\ntuser.ini
2⤵
- Modifies file permissions
PID:1992

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\GDIPFONTCACHEV1.DAT
2⤵
- Modifies file permissions
PID:1472

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\IconCache.db
2⤵
- Modifies file permissions
PID:1128

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\Adobe\Acrobat\9.0\Cache\AcroFnt09.lst
2⤵
- Modifies file permissions
PID:1504

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\Adobe\Color\ACECache10.lst
2⤵
- Modifies file permissions
PID:1860

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\Adobe\Color\Profiles\wscRGB.icc
2⤵
- Modifies file permissions
PID:584

C:\Windows\System32\takeown.exe
"C:\Windows\System32\takeown.exe" /f C:\Users\Admin\AppData\Local\Adobe\Color\Profiles\wsRGB.icc
2⤵
- Modifies file permissions
PID:1760

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

1

T1222

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/584-76-0x0000000000000000-mapping.dmp

Download
memory/588-64-0x0000000000000000-mapping.dmp

Download
memory/776-68-0x0000000000000000-mapping.dmp

Download
memory/1128-72-0x0000000000000000-mapping.dmp

Download
memory/1348-67-0x0000000000000000-mapping.dmp

Download
memory/1368-66-0x0000000000000000-mapping.dmp

Download
memory/1472-71-0x0000000000000000-mapping.dmp

Download
memory/1504-73-0x0000000000000000-mapping.dmp

Download
memory/1564-69-0x0000000000000000-mapping.dmp

Download
memory/1572-63-0x0000000000000000-mapping.dmp

Download
memory/1596-65-0x0000000000000000-mapping.dmp

Download
memory/1760-77-0x0000000000000000-mapping.dmp

Download
memory/1860-74-0x0000000000000000-mapping.dmp

Download
memory/1992-70-0x0000000000000000-mapping.dmp

Download
memory/2036-61-0x000007FEF6DE0000-0x000007FEF6F0A000-memory.dmp

Filesize
1.2MB

Download
memory/2036-75-0x000000001B1C6000-0x000000001B1E5000-memory.dmp

Filesize
124KB

Download
memory/2036-54-0x0000000000880000-0x00000000008BE000-memory.dmp

Filesize
248KB

Download
memory/2036-60-0x000007FEF3590000-0x000007FEF3FE0000-memory.dmp

Filesize
10.3MB

Download
memory/2036-59-0x000007FEEE500000-0x000007FEEF44D000-memory.dmp

Filesize
15.3MB

Download
memory/2036-58-0x000007FEF3FE0000-0x000007FEF41C8000-memory.dmp

Filesize
1.9MB

Download
memory/2036-57-0x000007FEF41D0000-0x000007FEF4E0F000-memory.dmp

Filesize
12.2MB

Download
memory/2036-62-0x000007FEF2B00000-0x000007FEF338C000-memory.dmp

Filesize
8.5MB

Download
memory/2036-56-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp

Filesize
8KB

Download
memory/2036-55-0x000007FEF4E10000-0x000007FEF6398000-memory.dmp

Filesize
21.5MB

Download
memory/2036-78-0x000007FEF4E10000-0x000007FEF6398000-memory.dmp

Filesize
21.5MB

Download
memory/2036-79-0x000007FEF41D0000-0x000007FEF4E0F000-memory.dmp

Filesize
12.2MB

Download
memory/2036-80-0x000007FEF3FE0000-0x000007FEF41C8000-memory.dmp

Filesize
1.9MB

Download
memory/2036-81-0x000007FEEE500000-0x000007FEEF44D000-memory.dmp

Filesize
15.3MB

Download
memory/2036-82-0x000000001B1C6000-0x000000001B1E5000-memory.dmp

Filesize
124KB

Download

Analysis

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