23c71e3362dc25972e5693d783cff10b491b272b6475e3c09a53446a000758ec

General

Target

56ff05571391e02653a6bd5892d440ad.exe
Size

385KB
MD5

56ff05571391e02653a6bd5892d440ad
SHA1

05a82c7f625f889df0ceebe143a4cb8f936c2b8f
SHA256

23c71e3362dc25972e5693d783cff10b491b272b6475e3c09a53446a000758ec
SHA512

d10629e914157024747ddc009be43840d6e6a7e6832eb151f83f6a3fca50393141c4ba803a3c92d6ffca6e78bc87ec9f89d465542e35f972350300c4fdba9e33
SSDEEP

6144:xVfuTmX+otpCHrnEMePLR1Uq9n4Zp6VUiyQVRKoSrhVdpfmosXiwVkwEkFvsOU2q:7mmXDernR840yQVRKoSPdpfmovGsDbB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3036	56ff05571391e02653a6bd5892d440ad.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	56ff05571391e02653a6bd5892d440ad.exe

Loads dropped DLL 1 IoCs

pid	Process
1520	56ff05571391e02653a6bd5892d440ad.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	56ff05571391e02653a6bd5892d440ad.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	56ff05571391e02653a6bd5892d440ad.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	56ff05571391e02653a6bd5892d440ad.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1520	56ff05571391e02653a6bd5892d440ad.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1520	56ff05571391e02653a6bd5892d440ad.exe
3036	56ff05571391e02653a6bd5892d440ad.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 3036	1520	56ff05571391e02653a6bd5892d440ad.exe	28
PID 1520 wrote to memory of 3036	1520	56ff05571391e02653a6bd5892d440ad.exe	28
PID 1520 wrote to memory of 3036	1520	56ff05571391e02653a6bd5892d440ad.exe	28
PID 1520 wrote to memory of 3036	1520	56ff05571391e02653a6bd5892d440ad.exe	28

C:\Users\Admin\AppData\Local\Temp\56ff05571391e02653a6bd5892d440ad.exe
"C:\Users\Admin\AppData\Local\Temp\56ff05571391e02653a6bd5892d440ad.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\56ff05571391e02653a6bd5892d440ad.exe
  C:\Users\Admin\AppData\Local\Temp\56ff05571391e02653a6bd5892d440ad.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3036

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\Local\Temp\Cab1BFB.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1C1D.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\56ff05571391e02653a6bd5892d440ad.exe

Filesize
385KB

MD5
6b44a8b8a6742fde2ec6fa73dc7ab708

SHA1
ea6c13168d15131a9a481a1920af8019e1aa52f5

SHA256
a1dcb29b3a06c9c555478b4fbc93f07dec14251a471a651ff02e60d1fa206398

SHA512
c3382bca8d3dbcb9f6705ac2c3f78652ac830248fda93079100146f0831ce55e71817dc29c8c483ec12b5257900ad1a7457d4162f153e1b0b21b8c7f4378c8c4

Download Submit
memory/1520-2-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/1520-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1520-12-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/1520-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1520-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3036-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3036-26-0x00000000002D0000-0x000000000032F000-memory.dmp

Filesize
380KB

Download
memory/3036-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3036-20-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download
memory/3036-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3036-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3036-83-0x0000000007580000-0x00000000075BC000-memory.dmp

Filesize
240KB

Download

Analysis

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