474d2cf46de1f938d7f2eec46075eeb65936700c27a8b8714275f6482f85e3ca

General

Target

bb6798fd9a24d3e20c6f1857698daadb.exe
Size

385KB
MD5

bb6798fd9a24d3e20c6f1857698daadb
SHA1

1184382f6360199afb12b5f04627f60a6dcca0f8
SHA256

474d2cf46de1f938d7f2eec46075eeb65936700c27a8b8714275f6482f85e3ca
SHA512

22c531feaeae4c61f5c53f90611dbee621413767e9415ec864b7d5240c68b12aaee430fe34b8c8e418152fe104eb40f0a94d616999a58c402e33bb7a18304d1e
SSDEEP

6144:V+lF/+O4V6ommaivgMGAIrmONchgXGbBFKOxexS3NsQkHnV05B:7O4VFmOGA5CUxsY3KQkH0B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2068	bb6798fd9a24d3e20c6f1857698daadb.exe

Executes dropped EXE 1 IoCs

pid	Process
2068	bb6798fd9a24d3e20c6f1857698daadb.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	bb6798fd9a24d3e20c6f1857698daadb.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	bb6798fd9a24d3e20c6f1857698daadb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bb6798fd9a24d3e20c6f1857698daadb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bb6798fd9a24d3e20c6f1857698daadb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1768	bb6798fd9a24d3e20c6f1857698daadb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1768	bb6798fd9a24d3e20c6f1857698daadb.exe
2068	bb6798fd9a24d3e20c6f1857698daadb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2068	1768	bb6798fd9a24d3e20c6f1857698daadb.exe	28
PID 1768 wrote to memory of 2068	1768	bb6798fd9a24d3e20c6f1857698daadb.exe	28
PID 1768 wrote to memory of 2068	1768	bb6798fd9a24d3e20c6f1857698daadb.exe	28
PID 1768 wrote to memory of 2068	1768	bb6798fd9a24d3e20c6f1857698daadb.exe	28

C:\Users\Admin\AppData\Local\Temp\bb6798fd9a24d3e20c6f1857698daadb.exe
"C:\Users\Admin\AppData\Local\Temp\bb6798fd9a24d3e20c6f1857698daadb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\bb6798fd9a24d3e20c6f1857698daadb.exe
  C:\Users\Admin\AppData\Local\Temp\bb6798fd9a24d3e20c6f1857698daadb.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar85AB.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\bb6798fd9a24d3e20c6f1857698daadb.exe

Filesize
385KB

MD5
03fbad1e23e6bc9acea95dfe2ea1b232

SHA1
0e019ab63f0e423a1abd05c5e2c9369287719ec9

SHA256
6c5df1adf88578f90052ca0ae09681253dd5491e711e06b915c44c0d0d741619

SHA512
6d06fd8a8378822f6f71c20ff5362bc2b30bdfe3d7164c9a27ee9f059976a1ed9a6bf4b5bb68c6aea52aec547abf012c02d64a31501dd4788209c2ac84486058

Download Submit
memory/1768-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1768-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1768-12-0x0000000002E40000-0x0000000002EA6000-memory.dmp

Filesize
408KB

Download
memory/1768-2-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/1768-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2068-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2068-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2068-25-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2068-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2068-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2068-86-0x000000000D600000-0x000000000D63C000-memory.dmp

Filesize
240KB

Download

Analysis

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