99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f

General

Target

99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe
Size

275KB
MD5

a0ea761272519c0be72e169c5ea35bda
SHA1

2b5dab951752425e7736ea5a20df9866eb35e0e4
SHA256

99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f
SHA512

572699868c941277f79dd54f7af12f0e2adf3c941b0cd1444ed9cbc89b850af82d00468bde1bf5724d6248fb4e9c3c5498a9061146b0825112a6e89bbb59d7a5
SSDEEP

3072:+E0QjAzXSjGPzsF7tV/2IChsTdwBYOIPPjoZanwMaySfBSrvz/RFD:h06AzXSjGAJVODhsTyw7unyS5SrLZR

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
1548	tazebama.dl_

Loads dropped DLL 6 IoCs

pid	Process
1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe
1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe
1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe
280	WerFault.exe
280	WerFault.exe
280	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run	tazebama.dl_

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\K:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\Y:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\N:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\G:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	tazebama.dl_
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	tazebama.dl_

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
280	1548	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1548	tazebama.dl_

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 1548	1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe	26
PID 1564 wrote to memory of 1548	1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe	26
PID 1564 wrote to memory of 1548	1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe	26
PID 1564 wrote to memory of 1548	1564	99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe	26
PID 1548 wrote to memory of 280	1548	tazebama.dl_	27
PID 1548 wrote to memory of 280	1548	tazebama.dl_	27
PID 1548 wrote to memory of 280	1548	tazebama.dl_	27
PID 1548 wrote to memory of 280	1548	tazebama.dl_	27

C:\Users\Admin\AppData\Local\Temp\99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe
"C:\Users\Admin\AppData\Local\Temp\99415ba5f42e97491bc627748747ca67fd9786ed82297f71f42540083600c12f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Documents and Settings\tazebama.dl_
  "C:\Documents and Settings\tazebama.dl_"
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates connected drives
  - Drops autorun.inf file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 304
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
C:\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dl_

Filesize
164KB

MD5
f24be424a93b8428df58d74ddb115713

SHA1
ff822611f1c28999902fa25e659256fdaf08425c

SHA256
7e1272a7c0d78a039dc9147f1865478a404e82d0575b0474288271e095f7e364

SHA512
14e0e1c9dfb4bde28d5e15027506b585e93e59eabcecf00de7cb517faab60f0784a2fc09c712b1b1ec631381078723d6cfbde1f07da81eb09f38d8096a2d0a95

Download Submit
\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/1548-70-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1564-54-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1564-56-0x0000000030000000-0x000000003001F000-memory.dmp

Filesize
124KB

Download
memory/1564-67-0x0000000030000000-0x000000003001F000-memory.dmp

Filesize
124KB

Download
memory/1564-68-0x00000000001B0000-0x00000000001CA000-memory.dmp

Filesize
104KB

Download
memory/1564-69-0x00000000001B0000-0x00000000001CA000-memory.dmp

Filesize
104KB

Download
memory/1564-71-0x0000000030000000-0x000000003001F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads