cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b

General

Target

cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
Size

107KB
MD5

d642e90abc8d83d2b82b641e7e527a41
SHA1

fc818c4df7054bc6e2cf8f07c9172e2eed12ccc0
SHA256

cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b
SHA512

ae6b868f7bb35fbc754e2ae62611da8f621ea5ae02132aa7615328ad69facb7610360dbedf50c185273aec85511c5d025e549eabf028763f5a9e08d3d4d2f620
SSDEEP

3072:TJa0471ysAjoAFl2bSUvOLw7GKDjxf4HRdoyOoutj0TLThL:danUnFl2bSULaKDjKHRqHoS

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2196	000000000.exe
4416	000000000.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2700-132-0x0000000000400000-0x0000000000503000-memory.dmp	upx
behavioral2/memory/1604-136-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/1604-138-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/1604-139-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2700-140-0x0000000000400000-0x0000000000503000-memory.dmp	upx
behavioral2/memory/1604-141-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/1604-142-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/files/0x0008000000022e0f-144.dat	upx
behavioral2/files/0x0008000000022e0f-145.dat	upx
behavioral2/memory/2196-148-0x0000000000400000-0x0000000000503000-memory.dmp	upx
behavioral2/files/0x0008000000022e0f-151.dat	upx
behavioral2/memory/2196-155-0x0000000000400000-0x0000000000503000-memory.dmp	upx
behavioral2/memory/4416-156-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/4416-157-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SymRec = "C:\\Users\\Admin\\AppData\\Roaming\\625733395.exe"	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SymRec = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe"	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SymRec = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe"	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2196 set thread context of 4416	2196	000000000.exe	82

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
2196	000000000.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 2700 wrote to memory of 1604	2700	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	80
PID 1604 wrote to memory of 2196	1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	81
PID 1604 wrote to memory of 2196	1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	81
PID 1604 wrote to memory of 2196	1604	cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe	81
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82
PID 2196 wrote to memory of 4416	2196	000000000.exe	82

C:\Users\Admin\AppData\Local\Temp\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
"C:\Users\Admin\AppData\Local\Temp\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
  C:\Users\Admin\AppData\Local\Temp\cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Users\Admin\AppData\Roaming\000000000.exe
    "C:\Users\Admin\AppData\Roaming\000000000.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Users\Admin\AppData\Roaming\000000000.exe
      C:\Users\Admin\AppData\Roaming\000000000.exe
      4⤵
      Executes dropped EXE
      PID:4416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\000000000.exe

Filesize
107KB

MD5
d642e90abc8d83d2b82b641e7e527a41

SHA1
fc818c4df7054bc6e2cf8f07c9172e2eed12ccc0

SHA256
cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b

SHA512
ae6b868f7bb35fbc754e2ae62611da8f621ea5ae02132aa7615328ad69facb7610360dbedf50c185273aec85511c5d025e549eabf028763f5a9e08d3d4d2f620

Download Submit
C:\Users\Admin\AppData\Roaming\000000000.exe

Filesize
107KB

MD5
d642e90abc8d83d2b82b641e7e527a41

SHA1
fc818c4df7054bc6e2cf8f07c9172e2eed12ccc0

SHA256
cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b

SHA512
ae6b868f7bb35fbc754e2ae62611da8f621ea5ae02132aa7615328ad69facb7610360dbedf50c185273aec85511c5d025e549eabf028763f5a9e08d3d4d2f620

Download Submit
C:\Users\Admin\AppData\Roaming\000000000.exe

Filesize
107KB

MD5
d642e90abc8d83d2b82b641e7e527a41

SHA1
fc818c4df7054bc6e2cf8f07c9172e2eed12ccc0

SHA256
cfc7bc2f271ce50317fe51b708f22005856721c851da2e136802019023690f8b

SHA512
ae6b868f7bb35fbc754e2ae62611da8f621ea5ae02132aa7615328ad69facb7610360dbedf50c185273aec85511c5d025e549eabf028763f5a9e08d3d4d2f620

Download Submit
memory/1604-136-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1604-138-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1604-139-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1604-141-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1604-142-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2196-148-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2196-155-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2700-132-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2700-140-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/4416-156-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4416-157-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

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